3ef4823f90
Library changes
readproc
. added support for supplementary groups
. eliminated 2 potential mem leak sources
. shortcut used for multi-threaded str
vectors & ptrs was obsoleted
. freeing of proc_t related dynamic
memory now rests with the library
. standardized/normalized many c comments
sysinfo
. corrected note regarding glibc & cpuinfo
library.map
. made the visible freeproc accessable
Program changes
pmap
. initialized buffer for new readproc i/f
. eliminated now obsolete free() call
ps
. added width aware supgrp support
. initialized buffers for new readproc i/f
. eliminated now obsolete free() calls
top
. added supgrp support as variable width
. eliminated now obsolete free() calls
. expoilted library freeproc function
. corrected -h|v args text & spacing
. updated some c comments
Documentation changes
ps.1
. added supgid and supgrp
top.1
. added supgid and supgrp
. addition of above required renumbering
many fields in section 3a. DESCRIPTIONS
3588 lines
124 KiB
C
3588 lines
124 KiB
C
/* top.c - Source file: show Linux processes */
|
||
/*
|
||
* Copyright (c) 2002-2011, by: James C. Warner
|
||
* All rights reserved. 8921 Hilloway Road
|
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* Eden Prairie, Minnesota 55347 USA
|
||
*
|
||
* This file may be used subject to the terms and conditions of the
|
||
* GNU Library General Public License Version 2, or any later version
|
||
* at your option, as published by the Free Software Foundation.
|
||
* This program is distributed in the hope that it will be useful,
|
||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
* GNU Library General Public License for more details.
|
||
*/
|
||
/* For contributions to this program, the author wishes to thank:
|
||
* Craig Small, <csmall@small.dropbear.id.au>
|
||
* Albert D. Cahalan, <albert@users.sf.net>
|
||
*/
|
||
#include <sys/ioctl.h>
|
||
#include <sys/resource.h>
|
||
#include <sys/time.h>
|
||
#include <sys/types.h>
|
||
|
||
#include <ctype.h>
|
||
#include <curses.h>
|
||
#include <errno.h>
|
||
#include <fcntl.h>
|
||
#include <pwd.h>
|
||
#include <signal.h>
|
||
#include <stdarg.h>
|
||
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
#include <string.h>
|
||
#include <term.h> // foul sob, defines all sorts of stuff...
|
||
#undef tab
|
||
#undef TTY
|
||
#include <termios.h>
|
||
#include <time.h>
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||
#include <unistd.h>
|
||
#include <values.h>
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||
|
||
#include "proc/devname.h"
|
||
#include "proc/procps.h"
|
||
#include "proc/readproc.h"
|
||
#include "proc/sig.h"
|
||
#include "proc/sysinfo.h"
|
||
#include "proc/version.h"
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||
#include "proc/wchan.h"
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||
#include "proc/whattime.h"
|
||
|
||
#include "top.h"
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||
|
||
/*###### Miscellaneous global stuff ####################################*/
|
||
|
||
/* The original and new terminal definitions
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||
(only set when not in 'Batch' mode) */
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||
static struct termios Tty_original, // our inherited terminal definition
|
||
#ifdef TERMIOS_ONLY
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||
Tty_tweaked, // for interactive 'line' input
|
||
#endif
|
||
Tty_raw; // for unsolicited input
|
||
static int Ttychanged = 0;
|
||
|
||
/* Program name used in error messages and local 'rc' file name */
|
||
static char *Myname;
|
||
|
||
/* The 'local' config file support */
|
||
static char Rc_name [OURPATHSZ];
|
||
static RCF_t Rc = DEF_RCFILE;
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||
|
||
/* The run-time acquired page stuff */
|
||
static unsigned Page_size;
|
||
static unsigned Pg2K_shft = 0;
|
||
|
||
/* SMP, Irix/Solaris mode, Linux 2.5.xx support */
|
||
/* (assume no IO-wait stats, overridden if linux 2.5.41) */
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||
static int Cpu_tot;
|
||
static float Cpu_pmax = 99.9; // for %CPU display (may later change!)
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static const char *Cpu_States_fmts = STATES_line2x4;
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||
|
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/* Specific process id monitoring support */
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||
static pid_t Monpids [MONPIDMAX] = { 0 };
|
||
static int Monpidsidx = 0;
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||
|
||
/* A postponed error message */
|
||
static char Msg_delayed [MEDBUFSIZ];
|
||
static int Msg_awaiting = 0;
|
||
|
||
/* Current screen dimensions.
|
||
note: the number of processes displayed is tracked on a per window
|
||
basis (see the WIN_t). Max_lines is the total number of
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||
screen rows after deducting summary information overhead. */
|
||
/* Current terminal screen size. */
|
||
static int Screen_cols, Screen_rows, Max_lines;
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||
|
||
/* This is really the number of lines needed to display the summary
|
||
information (0 - nn), but is used as the relative row where we
|
||
stick the cursor between frames. */
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||
static int Msg_row;
|
||
|
||
/* Global/Non-windows mode stuff that is NOT persistent */
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||
static int No_ksyms = -1, // set to '0' if ksym avail, '1' otherwise
|
||
PSDBopen = 0, // set to '1' if psdb opened (now postponed)
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||
Batch = 0, // batch mode, collect no input, dumb output
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||
Loops = -1, // number of iterations, -1 loops forever
|
||
Secure_mode = 0, // set if some functionality restricted
|
||
Thread_mode = 0, // set w/ 'H' - show threads via readtask()
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Width_mode = 0; // set w/ 'w' - potential output override
|
||
|
||
/* Unchangeable cap's stuff built just once (if at all) and
|
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thus NOT saved in a WIN_t's RCW_t. To accomodate 'Batch'
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||
mode, they begin life as empty strings so the overlying
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logic need not change ! */
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static char Cap_clr_eol [CAPBUFSIZ] = "", // global and/or static vars
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Cap_nl_clreos [CAPBUFSIZ] = "", // are initialized to zeros!
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||
Cap_clr_scr [CAPBUFSIZ] = "", // the assignments used here
|
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Cap_curs_norm [CAPBUFSIZ] = "", // cost nothing but DO serve
|
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Cap_curs_huge [CAPBUFSIZ] = "", // to remind people of those
|
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Cap_curs_hide [CAPBUFSIZ] = "", // batch requirements!
|
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Cap_home [CAPBUFSIZ] = "",
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Cap_norm [CAPBUFSIZ] = "",
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Cap_reverse [CAPBUFSIZ] = "",
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Caps_off [CAPBUFSIZ] = "",
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Caps_endline [CAPBUFSIZ] = "";
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||
#ifndef RMAN_IGNORED
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static char Cap_rmam [CAPBUFSIZ] = "",
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||
Cap_smam [CAPBUFSIZ] = "";
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/* set to 1 if writing to the last column would be troublesome
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(we don't distinguish the lowermost row from the other rows) */
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static int Cap_avoid_eol = 0;
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#endif
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static int Cap_can_goto = 0;
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/* Some optimization stuff, to reduce output demands...
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The Pseudo_ guys are managed by adj_geometry and frame_make. They
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are exploited in a macro and represent 90% of our optimization.
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The Stdout_buf is transparent to our code and regardless of whose
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buffer is used, stdout is flushed at frame end or if interactive. */
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static char *Pseudo_screen;
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static int Pseudo_row;
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static size_t Pseudo_size;
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#ifndef OFF_STDIOLBF
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// less than stdout's normal buffer but with luck mostly '\n' anyway
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static char Stdout_buf[2048];
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#endif
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/* Our four WIN_t's, and which of those is considered the 'current'
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window (ie. which window is associated with any summ info displayed
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and to which window commands are directed) */
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static WIN_t Winstk [GROUPSMAX];
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static WIN_t *Curwin;
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/* Frame oriented stuff that can't remain local to any 1 function
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and/or that would be too cumbersome managed as parms,
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and/or that are simply more efficiently handled as globals
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[ 'Frames_...' (plural) stuff persists beyond 1 frame ]
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[ or are used in response to async signals received ! ] */
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// Frames_endpgm set by sig_endpgm(), no need to unset
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static volatile int Frames_endpgm; // time to quit this shit
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// Frames_paused set by sig_paused(), unset by pause_pgm()
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static volatile int Frames_paused; // become a paused background job
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// Frames_resize set by do_key() & sig_resize(), unset by calibrate_fields()
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static volatile int Frames_resize; // time to rebuild all column headers
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static int Frames_libflags; // PROC_FILLxxx flags
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static int Frame_maxtask; // last known number of active tasks
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// ie. current 'size' of proc table
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static float Frame_etscale; // so we can '*' vs. '/' WHEN 'pcpu'
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static unsigned Frame_running, // state categories for this frame
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Frame_sleepin,
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Frame_stopped,
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Frame_zombied;
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static int Frame_srtflg, // the subject window's sort direction
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Frame_ctimes, // the subject window's ctimes flag
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Frame_cmdlin; // the subject window's cmdlin flag
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/* Support for 'history' processing so we can calculate %cpu */
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static int HHist_siz; // max number of HST_t structs
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static HST_t *PHist_sav, // alternating 'old/new' HST_t anchors
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*PHist_new;
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#ifndef OFF_HST_HASH
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#define HHASH_SIZ 1024
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static int HHash_one [HHASH_SIZ], // actual hash tables ( hereafter known
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HHash_two [HHASH_SIZ], // as PHash_sav/PHash_new )
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HHash_nul [HHASH_SIZ]; // 'empty' hash table image
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static int *PHash_sav = HHash_one, // alternating 'old/new' hash tables
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*PHash_new = HHash_two;
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#endif
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/*###### Sort callbacks ################################################*/
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||
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||
/*
|
||
* These happen to be coded in the enum identifier alphabetic order,
|
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* not the order of the enum 'pflgs' value. Also note that a callback
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* routine may serve more than one column.
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*/
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SCB_STRV(CGR, 1, cgroup, cgroup[0])
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SCB_STRV(CMD, Frame_cmdlin, cmdline, cmd)
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SCB_NUM1(COD, trs)
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SCB_NUMx(CPN, processor)
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SCB_NUM1(CPU, pcpu)
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SCB_NUM1(DAT, drs)
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SCB_NUM1(DRT, dt)
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SCB_NUM1(FLG, flags)
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||
SCB_NUM1(FL1, maj_flt)
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SCB_NUM1(FL2, min_flt)
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SCB_NUMx(GID, egid)
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SCB_STRS(GRP, egroup)
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SCB_NUMx(NCE, nice)
|
||
#ifdef OOMEM_ENABLE
|
||
SCB_NUM1(OOA, oom_adj)
|
||
SCB_NUM1(OOM, oom_score)
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||
#endif
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||
SCB_NUMx(PGD, pgrp)
|
||
SCB_NUMx(PID, tid)
|
||
SCB_NUMx(PPD, ppid)
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||
SCB_NUMx(PRI, priority)
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SCB_NUM1(RES, resident) // also serves MEM !
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||
SCB_STRX(SGD, supgid)
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||
SCB_STRS(SGN, supgrp)
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SCB_NUM1(SHR, share)
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||
SCB_NUM1(SID, session)
|
||
SCB_NUMx(STA, state)
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||
SCB_NUM1(SWP, vm_swap)
|
||
SCB_NUMx(THD, nlwp)
|
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// also serves TM2 !
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static int SCB_NAME(TME) (const proc_t **P, const proc_t **Q) {
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if (Frame_ctimes) {
|
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if (((*P)->cutime + (*P)->cstime + (*P)->utime + (*P)->stime)
|
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< ((*Q)->cutime + (*Q)->cstime + (*Q)->utime + (*Q)->stime))
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return SORT_lt;
|
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if (((*P)->cutime + (*P)->cstime + (*P)->utime + (*P)->stime)
|
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> ((*Q)->cutime + (*Q)->cstime + (*Q)->utime + (*Q)->stime))
|
||
return SORT_gt;
|
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} else {
|
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if (((*P)->utime + (*P)->stime) < ((*Q)->utime + (*Q)->stime))
|
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return SORT_lt;
|
||
if (((*P)->utime + (*P)->stime) > ((*Q)->utime + (*Q)->stime))
|
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return SORT_gt;
|
||
}
|
||
return SORT_eq;
|
||
}
|
||
SCB_NUM1(TPG, tpgid)
|
||
SCB_NUMx(TTY, tty)
|
||
SCB_NUMx(UED, euid)
|
||
SCB_STRS(UEN, euser)
|
||
SCB_NUMx(URD, ruid)
|
||
SCB_STRS(URN, ruser)
|
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SCB_NUMx(USD, suid)
|
||
SCB_STRS(USN, suser)
|
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SCB_NUM1(VRT, size)
|
||
SCB_NUM1(WCH, wchan)
|
||
|
||
#ifdef OFF_HST_HASH
|
||
/* special sort for prochlp() ! -------------------------- */
|
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static int sort_HST_t (const HST_t *P, const HST_t *Q) {
|
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return P->pid - Q->pid;
|
||
}
|
||
#endif
|
||
|
||
/*###### Tiny useful routine(s) ########################################*/
|
||
|
||
/*
|
||
* This routine simply formats whatever the caller wants and
|
||
* returns a pointer to the resulting 'const char' string... */
|
||
static const char *fmtmk (const char *fmts, ...) __attribute__((format(printf,1,2)));
|
||
static const char *fmtmk (const char *fmts, ...) {
|
||
static char buf[BIGBUFSIZ]; // with help stuff, our buffer
|
||
va_list va; // requirements now exceed 1k
|
||
|
||
va_start(va, fmts);
|
||
vsnprintf(buf, sizeof(buf), fmts, va);
|
||
va_end(va);
|
||
return (const char *)buf;
|
||
} // end: fmtmk
|
||
|
||
|
||
/*
|
||
* This guy is just our way of avoiding the overhead of the standard
|
||
* strcat function (should the caller choose to participate) */
|
||
static inline char *scat (char *dst, const char *src) {
|
||
while (*dst) dst++;
|
||
while ((*(dst++) = *(src++)));
|
||
return --dst;
|
||
} // end: scat
|
||
|
||
|
||
/*
|
||
* Trim the rc file lines and any 'open_psdb_message' which arrives
|
||
* with an inappropriate newline (thanks to 'sysmap_mmap') */
|
||
static char *strim (char *str) {
|
||
static const char ws[] = "\b\f\n\r\t\v\x1b\x9b"; // 0x1b + 0x9b are escape
|
||
char *p;
|
||
|
||
if ((p = strpbrk(str, ws))) *p = '\0';
|
||
return str;
|
||
} // end: strim
|
||
|
||
|
||
/*
|
||
* This guy just facilitates Batch and protects against dumb ttys
|
||
* -- we'd 'inline' him but he's only called twice per frame,
|
||
* yet used in many other locations. */
|
||
static const char *tg2 (int x, int y) {
|
||
// it's entirely possible we're trying for an invalid row...
|
||
return Cap_can_goto ? tgoto(cursor_address, x, y) : "";
|
||
} // end: tg2
|
||
|
||
/*###### Exit/Interrput routines #######################################*/
|
||
|
||
/*
|
||
* The real program end */
|
||
static void bye_bye (const char *str) NORETURN;
|
||
static void bye_bye (const char *str) {
|
||
if (Ttychanged) {
|
||
tcsetattr(STDIN_FILENO, TCSAFLUSH, &Tty_original);
|
||
putp(tg2(0, Screen_rows));
|
||
putp(Cap_curs_norm);
|
||
#ifndef RMAN_IGNORED
|
||
putp(Cap_smam);
|
||
#endif
|
||
}
|
||
fflush(stdout);
|
||
|
||
#ifdef ATEOJ_RPTSTD
|
||
{ proc_t *p;
|
||
if (!str) { fprintf(stderr,
|
||
"\n%s's Summary report:"
|
||
"\n\tProgram"
|
||
"\n\t Linux version = %u.%u.%u, %s"
|
||
"\n\t Hertz = %u (%u bytes, %u-bit time)"
|
||
"\n\t Page_size = %d, Cpu_tot = %d"
|
||
"\n\t sizeof(CPU_t) = %u, sizeof(HST_t) = %u (%u HST_t's/Page), HHist_siz = %u"
|
||
"\n\t sizeof(proc_t) = %u, sizeof(proc_t.cmd) = %u, sizeof(proc_t *) = %u"
|
||
"\n\t Frames_libflags = %08lX"
|
||
"\n\t SCREENMAX = %u, ROWMINSIZ = %u, ROWMAXSIZ = %u"
|
||
"\n\tTerminal: %s"
|
||
"\n\t device = %s, ncurses = v%s"
|
||
"\n\t max_colors = %d, max_pairs = %d"
|
||
"\n\t Cap_can_goto = %s"
|
||
"\n\t Screen_cols = %d, Screen_rows = %d"
|
||
"\n\t Max_lines = %d, most recent Pseudo_size = %u"
|
||
#ifndef OFF_STDIOLBF
|
||
"\n\t Stdout_buf = %u, BUFSIZ = %u"
|
||
#endif
|
||
"\n\tWindows and Curwin->"
|
||
"\n\t sizeof(WIN_t) = %u, GROUPSMAX = %d"
|
||
"\n\t winname = %s, grpname = %s"
|
||
#ifdef CASEUP_HEXES
|
||
"\n\t winflags = %08X, maxpflgs = %d"
|
||
#else
|
||
"\n\t winflags = %08x, maxpflgs = %d"
|
||
#endif
|
||
"\n\t fieldscur = %s, sortindx = %d"
|
||
"\n\t maxtasks = %d, varcolsz = %d, winlines = %d"
|
||
"\n\t strlen(columnhdr) = %d"
|
||
"\n"
|
||
, __func__
|
||
, LINUX_VERSION_MAJOR(linux_version_code)
|
||
, LINUX_VERSION_MINOR(linux_version_code)
|
||
, LINUX_VERSION_PATCH(linux_version_code)
|
||
, procps_version
|
||
, (unsigned)Hertz, (unsigned)sizeof(Hertz), (unsigned)sizeof(Hertz) * 8
|
||
, Page_size, Cpu_tot
|
||
, (unsigned) sizeof(CPU_t), (unsigned)sizeof(HST_t), Page_size / (unsigned)sizeof(HST_t), HHist_siz
|
||
, (unsigned)sizeof(*p), (unsigned)sizeof(p->cmd), (unsigned)sizeof(p)
|
||
, (long)Frames_libflags
|
||
, (unsigned)SCREENMAX, (unsigned)ROWMINSIZ, (unsigned)ROWMAXSIZ
|
||
#ifdef PRETENDNOCAP
|
||
, "dumb"
|
||
#else
|
||
, termname()
|
||
#endif
|
||
, ttyname(STDOUT_FILENO), NCURSES_VERSION
|
||
, max_colors, max_pairs
|
||
, Cap_can_goto ? "yes" : "No!"
|
||
, Screen_cols, Screen_rows
|
||
, Max_lines, (unsigned)Pseudo_size
|
||
#ifndef OFF_STDIOLBF
|
||
, (unsigned)sizeof(Stdout_buf), (unsigned)BUFSIZ
|
||
#endif
|
||
, (unsigned)sizeof(WIN_t), GROUPSMAX
|
||
, Curwin->rc.winname, Curwin->grpname
|
||
, Curwin->rc.winflags, Curwin->maxpflgs
|
||
, Curwin->rc.fieldscur, Curwin->rc.sortindx
|
||
, Curwin->rc.maxtasks, Curwin->varcolsz, Curwin->winlines
|
||
, (int)strlen(Curwin->columnhdr)
|
||
);
|
||
}
|
||
}
|
||
#endif // end: ATEOJ_RPTSTD
|
||
|
||
#ifndef OFF_HST_HASH
|
||
#ifdef ATEOJ_RPTHSH
|
||
if (!str) {
|
||
int i, j, pop, total_occupied, maxdepth, maxdepth_sav, numdepth
|
||
, cross_foot, sz = HHASH_SIZ * (unsigned)sizeof(int);
|
||
int depths[HHASH_SIZ];
|
||
|
||
for (i = 0, total_occupied = 0, maxdepth = 0; i < HHASH_SIZ; i++) {
|
||
int V = PHash_new[i];
|
||
j = 0;
|
||
if (-1 < V) {
|
||
++total_occupied;
|
||
while (-1 < V) {
|
||
V = PHist_new[V].lnk;
|
||
if (-1 < V) j++;
|
||
}
|
||
}
|
||
depths[i] = j;
|
||
if (maxdepth < j) maxdepth = j;
|
||
}
|
||
maxdepth_sav = maxdepth;
|
||
|
||
fprintf(stderr,
|
||
"\n%s's Supplementary HASH report:"
|
||
"\n\tTwo Tables providing for %d entries each + 1 extra for 'empty' image"
|
||
"\n\t%dk (%d bytes) per table, %d total bytes (including 'empty' image)"
|
||
"\n\tResults from latest hash (PHash_new + PHist_new)..."
|
||
"\n"
|
||
"\n\tTotal hashed = %d"
|
||
"\n\tLevel-0 hash entries = %d (%d%% occupied)"
|
||
"\n\tMax Depth = %d"
|
||
"\n\n"
|
||
, __func__
|
||
, HHASH_SIZ, sz / 1024, sz, sz * 3
|
||
, Frame_maxtask
|
||
, total_occupied, (total_occupied * 100) / HHASH_SIZ
|
||
, maxdepth + 1);
|
||
|
||
if (total_occupied) {
|
||
for (pop = total_occupied, cross_foot = 0; maxdepth; maxdepth--) {
|
||
for (i = 0, numdepth = 0; i < HHASH_SIZ; i++)
|
||
if (depths[i] == maxdepth) ++numdepth;
|
||
fprintf(stderr,
|
||
"\t %5d (%3d%%) hash table entries at depth %d\n"
|
||
, numdepth, (numdepth * 100) / total_occupied, maxdepth + 1);
|
||
pop -= numdepth;
|
||
cross_foot += numdepth;
|
||
if (0 == pop && cross_foot == total_occupied) break;
|
||
}
|
||
if (pop) {
|
||
fprintf(stderr, "\t %5d (%3d%%) unchained hash table entries\n"
|
||
, pop, (pop * 100) / total_occupied);
|
||
cross_foot += pop;
|
||
}
|
||
fprintf(stderr,
|
||
"\t -----\n"
|
||
"\t %5d total entries occupied\n", cross_foot);
|
||
|
||
if (maxdepth_sav) {
|
||
fprintf(stderr, "\nPIDs at max depth: ");
|
||
for (i = 0; i < HHASH_SIZ; i++)
|
||
if (depths[i] == maxdepth_sav) {
|
||
j = PHash_new[i];
|
||
fprintf(stderr, "\n\tpos %4d: %05d", i, PHist_new[j].pid);
|
||
while (-1 < j) {
|
||
j = PHist_new[j].lnk;
|
||
if (-1 < j) fprintf(stderr, ", %05d", PHist_new[j].pid);
|
||
}
|
||
}
|
||
fprintf(stderr, "\n");
|
||
}
|
||
}
|
||
}
|
||
#endif // end: ATEOJ_RPTHSH
|
||
#endif // end: OFF_HST_HASH
|
||
|
||
if (str) {
|
||
fputs(str, stderr);
|
||
exit(1);
|
||
}
|
||
putp("\n");
|
||
exit(0);
|
||
} // end: bye_bye
|
||
|
||
|
||
/*
|
||
* Standard error handler to normalize the look of all err output */
|
||
static void error_exit (const char *str) NORETURN;
|
||
static void error_exit (const char *str) {
|
||
static char buf[MEDBUFSIZ];
|
||
|
||
/* we'll use our own buffer so callers can still use fmtmk() and, yes the
|
||
leading tab is not the standard convention, but the standard is wrong
|
||
-- OUR msg won't get lost in screen clutter, like so many others! */
|
||
snprintf(buf, sizeof(buf), "\t%s: %s\n", Myname, str);
|
||
bye_bye(buf);
|
||
} // end: error_exit
|
||
|
||
|
||
/*
|
||
* Called in response to Frames_paused (tku: sig_paused) */
|
||
static void pause_pgm (void) {
|
||
Frames_paused = 0;
|
||
// reset terminal (maybe)
|
||
if (Ttychanged) tcsetattr(STDIN_FILENO, TCSAFLUSH, &Tty_original);
|
||
putp(tg2(0, Screen_rows));
|
||
putp(Cap_curs_norm);
|
||
#ifndef RMAN_IGNORED
|
||
putp(Cap_smam);
|
||
#endif
|
||
fflush(stdout);
|
||
raise(SIGSTOP);
|
||
// later, after SIGCONT...
|
||
if (Ttychanged) tcsetattr(STDIN_FILENO, TCSAFLUSH, &Tty_raw);
|
||
#ifndef RMAN_IGNORED
|
||
putp(Cap_rmam);
|
||
#endif
|
||
} // end: pause_pgm
|
||
|
||
|
||
/*
|
||
* Catches:
|
||
* SIGALRM, SIGHUP, SIGINT, SIGPIPE, SIGQUIT and SIGTERM */
|
||
static void sig_endpgm (int dont_care_sig) {
|
||
(void)dont_care_sig;
|
||
Frames_endpgm = 1;
|
||
} // end: sig_endpgm
|
||
|
||
|
||
/*
|
||
* Catches:
|
||
* SIGTSTP, SIGTTIN and SIGTTOU */
|
||
static void sig_paused (int dont_care_sig) {
|
||
(void)dont_care_sig;
|
||
Frames_paused = 1;
|
||
} // end: sig_paused
|
||
|
||
|
||
/*
|
||
* Catches:
|
||
* SIGCONT and SIGWINCH */
|
||
static void sig_resize (int dont_care_sig) {
|
||
(void)dont_care_sig;
|
||
Frames_resize = 1;
|
||
} // end: sig_resize
|
||
|
||
/*###### Misc Color/Display support ####################################*/
|
||
|
||
/*
|
||
* Make the appropriate caps/color strings for a window/field group.
|
||
* note: we avoid the use of background color so as to maximize
|
||
* compatibility with the user's xterm settings */
|
||
static void capsmk (WIN_t *q) {
|
||
/* macro to test if a basic (non-color) capability is valid
|
||
thanks: Floyd Davidson <floyd@ptialaska.net> */
|
||
#define tIF(s) s ? s : ""
|
||
static int capsdone = 0;
|
||
|
||
// we must NOT disturb our 'empty' terminfo strings!
|
||
if (Batch) return;
|
||
|
||
// these are the unchangeable puppies, so we only do 'em once
|
||
if (!capsdone) {
|
||
STRLCPY(Cap_clr_eol, tIF(clr_eol))
|
||
STRLCPY(Cap_clr_scr, tIF(clear_screen))
|
||
// due to leading newline, only 1 function may use this (and carefully)
|
||
snprintf(Cap_nl_clreos, sizeof(Cap_nl_clreos), "\n%s", tIF(clr_eos));
|
||
STRLCPY(Cap_curs_huge, tIF(cursor_visible))
|
||
STRLCPY(Cap_curs_norm, tIF(cursor_normal))
|
||
STRLCPY(Cap_curs_hide, tIF(cursor_invisible))
|
||
STRLCPY(Cap_home, tIF(cursor_home))
|
||
STRLCPY(Cap_norm, tIF(exit_attribute_mode))
|
||
STRLCPY(Cap_reverse, tIF(enter_reverse_mode))
|
||
#ifndef RMAN_IGNORED
|
||
if (!eat_newline_glitch) {
|
||
STRLCPY(Cap_rmam, tIF(exit_am_mode))
|
||
STRLCPY(Cap_smam, tIF(enter_am_mode))
|
||
if (!*Cap_rmam || !*Cap_smam) {
|
||
*Cap_rmam = '\0';
|
||
*Cap_smam = '\0';
|
||
if (auto_right_margin)
|
||
Cap_avoid_eol = 1;
|
||
}
|
||
putp(Cap_rmam);
|
||
}
|
||
#endif
|
||
snprintf(Caps_off, sizeof(Caps_off), "%s%s", Cap_norm, tIF(orig_pair));
|
||
snprintf(Caps_endline, sizeof(Caps_endline), "%s%s", Caps_off, Cap_clr_eol);
|
||
if (tgoto(cursor_address, 1, 1)) Cap_can_goto = 1;
|
||
capsdone = 1;
|
||
}
|
||
|
||
/* the key to NO run-time costs for configurable colors -- we spend a
|
||
little time with the user now setting up our terminfo strings, and
|
||
the job's done until he/she/it has a change-of-heart */
|
||
STRLCPY(q->cap_bold, CHKw(q, View_NOBOLD) ? Cap_norm : tIF(enter_bold_mode))
|
||
if (CHKw(q, Show_COLORS) && max_colors > 0) {
|
||
STRLCPY(q->capclr_sum, tparm(set_a_foreground, q->rc.summclr))
|
||
snprintf(q->capclr_msg, sizeof(q->capclr_msg), "%s%s"
|
||
, tparm(set_a_foreground, q->rc.msgsclr), Cap_reverse);
|
||
snprintf(q->capclr_pmt, sizeof(q->capclr_pmt), "%s%s"
|
||
, tparm(set_a_foreground, q->rc.msgsclr), q->cap_bold);
|
||
snprintf(q->capclr_hdr, sizeof(q->capclr_hdr), "%s%s"
|
||
, tparm(set_a_foreground, q->rc.headclr), Cap_reverse);
|
||
snprintf(q->capclr_rownorm, sizeof(q->capclr_rownorm), "%s%s"
|
||
, Caps_off, tparm(set_a_foreground, q->rc.taskclr));
|
||
} else {
|
||
q->capclr_sum[0] = '\0';
|
||
STRLCPY(q->capclr_msg, Cap_reverse)
|
||
STRLCPY(q->capclr_pmt, q->cap_bold)
|
||
STRLCPY(q->capclr_hdr, Cap_reverse)
|
||
STRLCPY(q->capclr_rownorm, Cap_norm)
|
||
}
|
||
|
||
// composite(s), so we do 'em outside and after the if
|
||
snprintf(q->capclr_rowhigh, sizeof(q->capclr_rowhigh), "%s%s"
|
||
, q->capclr_rownorm, CHKw(q, Show_HIBOLD) ? q->cap_bold : Cap_reverse);
|
||
#undef tIF
|
||
} // end: capsmk
|
||
|
||
|
||
/*
|
||
* Show an error, but not right now.
|
||
* Due to the postponed opening of ksym, using open_psdb_message,
|
||
* if P_WCH had been selected and the program is restarted, the
|
||
* message would otherwise be displayed prematurely. */
|
||
static void msg_save (const char *fmts, ...) __attribute__((format(printf,1,2)));
|
||
static void msg_save (const char *fmts, ...) {
|
||
char tmp[MEDBUFSIZ];
|
||
va_list va;
|
||
|
||
va_start(va, fmts);
|
||
vsnprintf(tmp, sizeof(tmp), fmts, va);
|
||
va_end(va);
|
||
// we'll add some extra attention grabbers to whatever this is
|
||
snprintf(Msg_delayed, sizeof(Msg_delayed), "\a*** %s ***", strim(tmp));
|
||
Msg_awaiting = 1;
|
||
} // end: msg_save
|
||
|
||
|
||
/*
|
||
* Show an error message (caller may include '\a' for sound) */
|
||
static void show_msg (const char *str) {
|
||
PUTT("%s%s %.*s %s%s"
|
||
, tg2(0, Msg_row)
|
||
, Curwin->capclr_msg
|
||
, Screen_cols - 2
|
||
, str
|
||
, Caps_off
|
||
, Cap_clr_eol);
|
||
fflush(stdout);
|
||
usleep(MSG_USLEEP);
|
||
Msg_awaiting = 0;
|
||
} // end: show_msg
|
||
|
||
|
||
/*
|
||
* Show an input prompt + larger cursor (if possible) */
|
||
static int show_pmt (const char *str) {
|
||
int rc;
|
||
|
||
PUTT("%s%s%.*s: %s%s%s"
|
||
, tg2(0, Msg_row)
|
||
, Curwin->capclr_pmt
|
||
, Screen_cols - 3
|
||
, str
|
||
, Cap_curs_huge
|
||
, Caps_off
|
||
, Cap_clr_eol);
|
||
fflush(stdout);
|
||
// +2 for the ': ' chars we added or -1 for the cursor...
|
||
return ((rc = (int)strlen(str)+2) < Screen_cols) ? rc : Screen_cols-1;
|
||
} // end: show_pmt
|
||
|
||
|
||
/*
|
||
* Show a special coordinate message, in support of scrolling */
|
||
static inline void show_scroll (void) {
|
||
char tmp[SMLBUFSIZ];
|
||
|
||
snprintf(tmp, sizeof(tmp)
|
||
, "scroll coordinates: y = %d/%d (tasks), x = %d/%d (fields)"
|
||
, Curwin->begtask + 1, Frame_maxtask
|
||
, Curwin->begpflg + 1, Curwin->totpflgs);
|
||
PUTT("%s%s %.*s%s", tg2(0, Msg_row), Caps_off, Screen_cols - 2, tmp, Cap_clr_eol);
|
||
putp(tg2(0, Msg_row));
|
||
} // end: show_scroll
|
||
|
||
|
||
/*
|
||
* Show lines with specially formatted elements, but only output
|
||
* what will fit within the current screen width.
|
||
* Our special formatting consists of:
|
||
* "some text <_delimiter_> some more text <_delimiter_>...\n"
|
||
* Where <_delimiter_> is a single byte in the range of:
|
||
* \01 through \10 (in decimalizee, 1 - 8)
|
||
* and is used to select an 'attribute' from a capabilities table
|
||
* which is then applied to the *preceding* substring.
|
||
* Once recognized, the delimiter is replaced with a null character
|
||
* and viola, we've got a substring ready to output! Strings or
|
||
* substrings without delimiters will receive the Cap_norm attribute.
|
||
*
|
||
* Caution:
|
||
* This routine treats all non-delimiter bytes as displayable
|
||
* data subject to our screen width marching orders. If callers
|
||
* embed non-display data like tabs or terminfo strings in our
|
||
* glob, a line will truncate incorrectly at best. Worse case
|
||
* would be truncation of an embedded tty escape sequence.
|
||
*
|
||
* Tabs must always be avoided or our efforts are wasted and
|
||
* lines will wrap. To lessen but not eliminate the risk of
|
||
* terminfo string truncation, such non-display stuff should
|
||
* be placed at the beginning of a "short" line.
|
||
* (and as for tabs, gimme 1 more color then no worries, mate) */
|
||
static void show_special (int interact, const char *glob) {
|
||
/* note: the following is for documentation only,
|
||
the real captab is now found in a group's WIN_t !
|
||
+------------------------------------------------------+
|
||
| char *captab[] = { : Cap's/Delim's |
|
||
| Cap_norm, Cap_norm, = \00, \01, |
|
||
| cap_bold, capclr_sum, = \02, \03, |
|
||
| capclr_msg, capclr_pmt, = \04, \05, |
|
||
| capclr_hdr, = \06, |
|
||
| capclr_rowhigh, = \07, |
|
||
| capclr_rownorm }; = \10 [octal!] |
|
||
+------------------------------------------------------+ */
|
||
/* ( pssst, after adding the termcap transitions, row may )
|
||
( exceed 300+ bytes, even in an 80x24 terminal window! ) */
|
||
char tmp[SMLBUFSIZ], lin[MEDBUFSIZ], row[LRGBUFSIZ];
|
||
char *rp, *cap, *lin_end, *sub_beg, *sub_end;
|
||
int room;
|
||
|
||
// handle multiple lines passed in a bunch
|
||
while ((lin_end = strchr(glob, '\n'))) {
|
||
// create a local copy we can extend and otherwise abuse
|
||
memcpy(lin, glob, (unsigned)(lin_end - glob));
|
||
// zero terminate this part and prepare to parse substrings
|
||
lin[lin_end - glob] = '\0';
|
||
room = Screen_cols;
|
||
sub_beg = sub_end = lin;
|
||
*(rp = row) = '\0';
|
||
|
||
while (*sub_beg) {
|
||
switch (*sub_end) {
|
||
case 0: // no end delim, captab makes normal
|
||
*(sub_end + 1) = '\0'; // extend str end, then fall through
|
||
case 1 ... 8:
|
||
cap = Curwin->captab[(int)*sub_end];
|
||
*sub_end = '\0';
|
||
snprintf(tmp, sizeof(tmp), "%s%.*s%s", cap, room, sub_beg, Caps_off);
|
||
rp = scat(rp, tmp);
|
||
room -= (sub_end - sub_beg);
|
||
sub_beg = ++sub_end;
|
||
break;
|
||
default: // nothin' special, just text
|
||
++sub_end;
|
||
}
|
||
if (0 >= room) break; // skip substrings that won't fit
|
||
}
|
||
|
||
if (interact) PUTT("%s%s\n", row, Cap_clr_eol);
|
||
else PUFF("%s%s\n", row, Caps_endline);
|
||
glob = ++lin_end; // point to next line (maybe)
|
||
|
||
} // end: while 'lines'
|
||
|
||
/* If there's anything left in the glob (by virtue of no trailing '\n'),
|
||
it probably means caller wants to retain cursor position on this final
|
||
line. That, in turn, means we're interactive and so we'll just do our
|
||
'fit-to-screen' thingy while also leaving room for the cursor... */
|
||
if (*glob) PUTT("%.*s", Screen_cols -1, glob);
|
||
} // end: show_special
|
||
|
||
/*###### Low Level Memory/Keyboard support #############################*/
|
||
|
||
/*
|
||
* Handle our own memory stuff without the risk of leaving the
|
||
* user's terminal in an ugly state should things go sour. */
|
||
|
||
static void *alloc_c (size_t num) MALLOC;
|
||
static void *alloc_c (size_t num) {
|
||
void *pv;
|
||
|
||
if (!num) ++num;
|
||
if (!(pv = calloc(1, num)))
|
||
error_exit("failed memory allocate");
|
||
return pv;
|
||
} // end: alloc_c
|
||
|
||
|
||
static void *alloc_r (void *ptr, size_t num) MALLOC;
|
||
static void *alloc_r (void *ptr, size_t num) {
|
||
void *pv;
|
||
|
||
if (!num) ++num;
|
||
if (!(pv = realloc(ptr, num)))
|
||
error_exit("failed memory re-allocate");
|
||
return pv;
|
||
} // end: alloc_r
|
||
|
||
|
||
/*
|
||
* This routine isolates ALL user INPUT and ensures that we
|
||
* wont be mixing I/O from stdio and low-level read() requests */
|
||
static int chin (int ech, char *buf, unsigned cnt) {
|
||
fd_set fs;
|
||
int rc = -1;
|
||
|
||
fflush(stdout);
|
||
#ifdef TERMIOS_ONLY
|
||
if (ech) {
|
||
tcsetattr(STDIN_FILENO, TCSAFLUSH, &Tty_tweaked);
|
||
rc = read(STDIN_FILENO, buf, cnt);
|
||
tcsetattr(STDIN_FILENO, TCSAFLUSH, &Tty_raw);
|
||
} else {
|
||
FD_ZERO(&fs);
|
||
FD_SET(STDIN_FILENO, &fs);
|
||
if (0 < select(STDIN_FILENO + 1, &fs, NULL, NULL, NULL))
|
||
rc = read(STDIN_FILENO, buf, cnt);
|
||
}
|
||
#else
|
||
(void)ech;
|
||
FD_ZERO(&fs);
|
||
FD_SET(STDIN_FILENO, &fs);
|
||
if (0 < select(STDIN_FILENO + 1, &fs, NULL, NULL, NULL))
|
||
rc = read(STDIN_FILENO, buf, cnt);
|
||
#endif
|
||
|
||
// zero means EOF, might happen if we erroneously get detached from terminal
|
||
if (0 == rc) bye_bye(NULL);
|
||
|
||
// it may have been the beginning of a lengthy escape sequence
|
||
tcflush(STDIN_FILENO, TCIFLUSH);
|
||
|
||
// note: we do NOT produce a vaid 'string'
|
||
return rc;
|
||
} // end: chin
|
||
|
||
|
||
/*
|
||
* Support for single keystroke input AND escaped cursor motion keys
|
||
* note: we support more keys than we currently need, in case
|
||
* we attract new consumers in the future */
|
||
static int keyin (int init) {
|
||
static char buf12[CAPBUFSIZ], buf13[CAPBUFSIZ]
|
||
, buf14[CAPBUFSIZ], buf15[CAPBUFSIZ];
|
||
static struct {
|
||
const char *str;
|
||
int key;
|
||
} tinfo_tab[] = {
|
||
{ "\n", kbd_ENTER }, { NULL, kbd_UP }, { NULL, kbd_DOWN },
|
||
{ NULL, kbd_RIGHT }, { NULL, kbd_LEFT }, { NULL, kbd_PGUP },
|
||
{ NULL, kbd_PGDN }, { NULL, kbd_END }, { NULL, kbd_HOME },
|
||
{ NULL, kbd_BKSP }, { NULL, kbd_INS }, { NULL, kbd_DEL },
|
||
// next 4 destined to be meta + arrow keys...
|
||
{ buf12, kbd_PGUP }, { buf13, kbd_PGDN },
|
||
{ buf14, kbd_END }, { buf15, kbd_HOME },
|
||
// remainder are alternatives for above, just in case
|
||
// ( the k,j,l,h entries are meta key + vim cursor motion keys )
|
||
{ "\033\\",kbd_UP }, { "\033/", kbd_DOWN }, { "\033>", kbd_RIGHT },
|
||
{ "\033<", kbd_LEFT }, { "\033k", kbd_UP }, { "\033j", kbd_DOWN },
|
||
{ "\033l", kbd_RIGHT }, { "\033h", kbd_LEFT } };
|
||
char buf[SMLBUFSIZ], *pb;
|
||
int i;
|
||
|
||
if (init) {
|
||
#define tOk(s) s ? s : ""
|
||
tinfo_tab[1].str = tOk(key_up);
|
||
tinfo_tab[2].str = tOk(key_down);
|
||
tinfo_tab[3].str = tOk(key_right);
|
||
tinfo_tab[4].str = tOk(key_left);
|
||
tinfo_tab[5].str = tOk(key_ppage);
|
||
tinfo_tab[6].str = tOk(key_npage);
|
||
tinfo_tab[7].str = tOk(key_end);
|
||
tinfo_tab[8].str = tOk(key_home);
|
||
tinfo_tab[9].str = tOk(key_backspace);
|
||
tinfo_tab[10].str = tOk(key_ic);
|
||
tinfo_tab[11].str = tOk(key_dc);
|
||
STRLCPY(buf12, fmtmk("\033%s", tOk(key_up)));
|
||
STRLCPY(buf13, fmtmk("\033%s", tOk(key_down)));
|
||
STRLCPY(buf14, fmtmk("\033%s", tOk(key_right)));
|
||
STRLCPY(buf15, fmtmk("\033%s", tOk(key_left)));
|
||
// next is critical so returned results match bound terminfo keys
|
||
putp(tOk(keypad_xmit));
|
||
return 0;
|
||
#undef tOk
|
||
}
|
||
|
||
memset(buf, '\0', sizeof(buf));
|
||
if (1 > chin(0, buf, sizeof(buf)-1)) return 0;
|
||
|
||
/* some emulators implement 'key repeat' too well and we get duplicate
|
||
key sequences -- so we'll focus on the last escaped sequence, while
|
||
also allowing use of the meta key... */
|
||
if (!(pb = strrchr(buf, '\033'))) pb = buf;
|
||
else if (pb > buf && '\033' == *(pb - 1)) --pb;
|
||
|
||
for (i = 0; i < MAXTBL(tinfo_tab); i++)
|
||
if (!strcmp(tinfo_tab[i].str, pb))
|
||
return tinfo_tab[i].key;
|
||
|
||
// no match, so we'll return single keystrokes only
|
||
if (buf[1]) return 0;
|
||
return buf[0];
|
||
} // end: keyin
|
||
|
||
|
||
#ifdef TERMIOS_ONLY
|
||
/*
|
||
* Get line oriented interactive input from the user,
|
||
* using native tty support */
|
||
static char *linein (const char *prompt) {
|
||
static char buf[MEDBUFSIZ];
|
||
|
||
show_pmt(prompt);
|
||
memset(buf, '\0', sizeof(buf));
|
||
chin(1, buf, sizeof(buf)-1);
|
||
putp(Cap_curs_norm);
|
||
|
||
// note: we DO produce a vaid 'string'
|
||
return strim(buf);
|
||
} // end: linein
|
||
|
||
#else
|
||
/*
|
||
* Get line oriented interactive input from the user,
|
||
* going way beyond native tty support !
|
||
* Unlike native tty input support, this function provides:
|
||
* . true line editing, not just destructive backspace
|
||
* . an input limit that's sensitive to current screen dimensions
|
||
* . immediate signal response without the need to wait for '\n' */
|
||
static char *linein (const char *prompt) {
|
||
// thank goodness memmove allows the two strings to overlap
|
||
#define sqzSTR { memmove(&buf[pos], &buf[pos+1], bufMAX-pos); \
|
||
buf[sizeof(buf)-1] = '\0'; }
|
||
#define expSTR if (len+1 < bufMAX && len+beg+1 < Screen_cols) { \
|
||
memmove(&buf[pos+1], &buf[pos], bufMAX-pos); buf[pos] = ' '; }
|
||
#define logCOL (pos+1)
|
||
#define phyCOL (beg+pos+1)
|
||
#define bufMAX ((int)sizeof(buf)-2) // -1 for '\0' string delimeter
|
||
static char buf[MEDBUFSIZ+1]; // +1 for '\0' string delimeter
|
||
int beg, pos, len;
|
||
int i, key;
|
||
|
||
pos = i = 0;
|
||
beg = show_pmt(prompt);
|
||
memset(buf, '\0', sizeof(buf));
|
||
do {
|
||
len = strlen(buf);
|
||
switch (key = keyin(0)) {
|
||
case kbd_ESC:
|
||
buf[0] = '\0'; // fall through !
|
||
case kbd_ENTER:
|
||
break;
|
||
case kbd_DEL:
|
||
case kbd_DOWN:
|
||
sqzSTR
|
||
break;
|
||
case kbd_BKSP :
|
||
if (0 < pos) { --pos; sqzSTR }
|
||
break;
|
||
case kbd_INS:
|
||
case kbd_UP:
|
||
expSTR
|
||
break;
|
||
case kbd_LEFT:
|
||
if (0 < pos) --pos;
|
||
break;
|
||
case kbd_RIGHT:
|
||
if (pos < len) ++pos;
|
||
break;
|
||
case kbd_HOME:
|
||
pos = 0;
|
||
break;
|
||
case kbd_END:
|
||
pos = len;
|
||
break;
|
||
default: // what we REALLY wanted (maybe)
|
||
if (isprint(key) && logCOL < bufMAX && phyCOL < Screen_cols)
|
||
buf[pos++] = key;
|
||
break;
|
||
}
|
||
putp(fmtmk("%s%s%s", tg2(beg, Msg_row), Cap_clr_eol, buf));
|
||
putp(tg2(beg+pos, Msg_row));
|
||
} while (key && kbd_ENTER != key && kbd_ESC != key);
|
||
|
||
return buf;
|
||
#undef sqzSTR
|
||
#undef expSTR
|
||
#undef logCOL
|
||
#undef phyCOL
|
||
#undef bufMAX
|
||
} // end: linein
|
||
#endif
|
||
|
||
/*###### Small Utility routines ########################################*/
|
||
|
||
/*
|
||
* Get a float from the user */
|
||
static float get_float (const char *prompt) {
|
||
char *line;
|
||
float f;
|
||
|
||
if (!(*(line = linein(prompt)))) return -1.0;
|
||
// note: we're not allowing negative floats
|
||
if (strcspn(line, "+,.0123456789")) {
|
||
show_msg("Not valid");
|
||
return -1.0;
|
||
}
|
||
sscanf(line, "%f", &f);
|
||
return f;
|
||
} // end: get_float
|
||
|
||
|
||
/*
|
||
* Get an integer from the user, returning INT_MIN for error */
|
||
static int get_int (const char *prompt) {
|
||
char *line;
|
||
int n;
|
||
|
||
if (!(*(line = linein(prompt)))) return INT_MIN;
|
||
// note: we've got to allow negative ints (renice)
|
||
if (strcspn(line, "-+0123456789")) {
|
||
show_msg("\aNot valid");
|
||
return INT_MIN;
|
||
}
|
||
sscanf(line, "%d", &n);
|
||
return n;
|
||
} // end: get_int
|
||
|
||
|
||
/*
|
||
* Do some scaling stuff.
|
||
* We'll interpret 'num' as one of the following types and
|
||
* try to format it to fit 'width'.
|
||
* SK_no (0) it's a byte count
|
||
* SK_Kb (1) it's kilobytes
|
||
* SK_Mb (2) it's megabytes
|
||
* SK_Gb (3) it's gigabytes
|
||
* SK_Tb (4) it's terabytes */
|
||
static const char *scale_num (unsigned long num, const int width, const int type) {
|
||
// kilobytes, megabytes, gigabytes, terabytes, duh!
|
||
static double scale[] = { 1024.0, 1024.0*1024, 1024.0*1024*1024, 1024.0*1024*1024*1024, 0 };
|
||
// kilo, mega, giga, tera, none
|
||
#ifdef CASEUP_SUFIX
|
||
static char nextup[] = { 'K', 'M', 'G', 'T', 0 };
|
||
#else
|
||
static char nextup[] = { 'k', 'm', 'g', 't', 0 };
|
||
#endif
|
||
static char buf[SMLBUFSIZ];
|
||
double *dp;
|
||
char *up;
|
||
|
||
// try an unscaled version first...
|
||
if (width >= snprintf(buf, sizeof(buf), "%lu", num)) return buf;
|
||
|
||
// now try successively higher types until it fits
|
||
for (up = nextup + type, dp = scale; 0 < *dp; ++dp, ++up) {
|
||
// the most accurate version
|
||
if (width >= snprintf(buf, sizeof(buf), "%.1f%c", num / *dp, *up))
|
||
return buf;
|
||
// the integer version
|
||
if (width >= snprintf(buf, sizeof(buf), "%lu%c", (unsigned long)(num / *dp), *up))
|
||
return buf;
|
||
}
|
||
// well shoot, this outta' fit...
|
||
return "?";
|
||
} // end: scale_num
|
||
|
||
|
||
/*
|
||
* Do some scaling stuff.
|
||
* format 'tics' to fit 'width'. */
|
||
static const char *scale_tics (TIC_t tics, const int width) {
|
||
#ifdef CASEUP_SUFIX
|
||
#define HH "%uH"
|
||
#define DD "%uD"
|
||
#define WW "%uW"
|
||
#else
|
||
#define HH "%uh"
|
||
#define DD "%ud"
|
||
#define WW "%uw"
|
||
#endif
|
||
static char buf[SMLBUFSIZ];
|
||
unsigned long nt; // narrow time, for speed on 32-bit
|
||
unsigned cc; // centiseconds
|
||
unsigned nn; // multi-purpose whatever
|
||
|
||
nt = (tics * 100ull) / Hertz; // up to 68 weeks of cpu time
|
||
cc = nt % 100; // centiseconds past second
|
||
nt /= 100; // total seconds
|
||
nn = nt % 60; // seconds past the minute
|
||
nt /= 60; // total minutes
|
||
if (width >= snprintf(buf, sizeof(buf), "%lu:%02u.%02u", nt, nn, cc))
|
||
return buf;
|
||
if (width >= snprintf(buf, sizeof(buf), "%lu:%02u", nt, nn))
|
||
return buf;
|
||
nn = nt % 60; // minutes past the hour
|
||
nt /= 60; // total hours
|
||
if (width >= snprintf(buf, sizeof(buf), "%lu,%02u", nt, nn))
|
||
return buf;
|
||
nn = nt; // now also hours
|
||
if (width >= snprintf(buf, sizeof(buf), HH, nn))
|
||
return buf;
|
||
nn /= 24; // now days
|
||
if (width >= snprintf(buf, sizeof(buf), DD, nn))
|
||
return buf;
|
||
nn /= 7; // now weeks
|
||
if (width >= snprintf(buf, sizeof(buf), WW, nn))
|
||
return buf;
|
||
// well shoot, this outta' fit...
|
||
return "?";
|
||
#undef HH
|
||
#undef DD
|
||
#undef WW
|
||
} // end: scale_tics
|
||
|
||
|
||
/*
|
||
* Validate the passed string as a user name or number,
|
||
* and/or update the window's 'u/U' selection stuff. */
|
||
static const char *user_certify (WIN_t *q, const char *str, char typ) {
|
||
struct passwd *pwd;
|
||
char *endp;
|
||
uid_t num;
|
||
|
||
q->usrseltyp = 0;
|
||
Monpidsidx = 0;
|
||
if (*str) {
|
||
num = (uid_t)strtoul(str, &endp, 0);
|
||
if ('\0' == *endp)
|
||
pwd = getpwuid(num);
|
||
else
|
||
pwd = getpwnam(str);
|
||
if (!pwd) return "Invalid user";
|
||
q->usrseluid = pwd->pw_uid;
|
||
q->usrseltyp = typ;
|
||
}
|
||
return NULL;
|
||
} // end: user_certify
|
||
|
||
|
||
/*
|
||
* Determine if this proc_t matches the 'u/U' selection criteria
|
||
* for a given window -- it's called from only one place, and
|
||
* likely inlined even without the directive */
|
||
static inline int user_matched (WIN_t *q, const proc_t *p) {
|
||
switch(q->usrseltyp) {
|
||
case 0: // uid selection inactive
|
||
return 1;
|
||
case 'U': // match any uid
|
||
if (p->ruid == q->usrseluid) return 1;
|
||
if (p->suid == q->usrseluid) return 1;
|
||
if (p->fuid == q->usrseluid) return 1;
|
||
// fall through...
|
||
case 'u': // match effective uid
|
||
if (p->euid == q->usrseluid) return 1;
|
||
// fall through...
|
||
default: // no match, don't display
|
||
;
|
||
}
|
||
return 0;
|
||
} // end: user_matched
|
||
|
||
/*###### Fields Management support #####################################*/
|
||
|
||
/* These are the Fieldstab.lflg values used here and in calibrate_fields.
|
||
(own identifiers as documentation and protection against changes) */
|
||
#define L_stat PROC_FILLSTAT
|
||
#define L_statm PROC_FILLMEM
|
||
#define L_status PROC_FILLSTATUS
|
||
#define L_CGROUP PROC_EDITCGRPCVT | PROC_FILLCGROUP
|
||
#define L_CMDLINE PROC_EDITCMDLCVT | PROC_FILLARG
|
||
#define L_EUSER PROC_FILLUSR
|
||
#define L_OUSER PROC_FILLSTATUS | PROC_FILLUSR
|
||
#define L_EGROUP PROC_FILLSTATUS | PROC_FILLGRP
|
||
#define L_SUPGRP PROC_FILLSTATUS | PROC_FILLSUPGRP
|
||
// make 'none' non-zero (used to be important to Frames_libflags)
|
||
#define L_NONE PROC_SPARE_1
|
||
// from either 'stat' or 'status' (preferred), via bits not otherwise used
|
||
#define L_EITHER PROC_SPARE_2
|
||
// for calibrate_fields and summary_show 1st pass
|
||
#define L_DEFAULT PROC_FILLSTAT
|
||
|
||
/* These are our gosh darn 'Fields' !
|
||
They MUST be kept in sync with pflags !!
|
||
note: for integer data, the length modifiers found in .fmts may
|
||
NOT reflect the true field type found in proc_t -- this plus
|
||
a cast when/if displayed provides minimal width protection. */
|
||
static FLD_t Fieldstab[] = {
|
||
// a temporary macro, soon to be undef'd...
|
||
#define SF(f) (QFP_t)SCB_NAME(f)
|
||
|
||
/* .head + .fmts anomolies:
|
||
entries shown with NULL are either valued at runtime (see zap_fieldstab)
|
||
or, in the case of .fmts, represent variable width fields
|
||
.lflg anomolies:
|
||
P_UED, L_NONE - natural outgrowth of 'stat()' in readproc (euid)
|
||
P_CPU, L_stat - never filled by libproc, but requires times (pcpu)
|
||
P_CMD, L_stat - may yet require L_CMDLINE in calibrate_fields (cmd/cmdline)
|
||
L_EITHER - must L_status, else L_stat == 64-bit math (__udivdi3) on 32-bit !
|
||
.head .fmts .width .scale .sort .lflg .desc
|
||
------------ -------- ------ ------ -------- -------- ---------------------- */
|
||
{ NULL, NULL, -1, -1, SF(PID), L_NONE, "Process Id" },
|
||
{ NULL, NULL, -1, -1, SF(PPD), L_EITHER, "Parent Process pid" },
|
||
{ " UID ", "%5d ", -1, -1, SF(UED), L_NONE, "Effective User Id" },
|
||
{ "USER ", "%-8.8s ", -1, -1, SF(UEN), L_EUSER, "Effective User Name" },
|
||
{ " RUID ", "%5d ", -1, -1, SF(URD), L_status, "Real User Id" },
|
||
{ "RUSER ", "%-8.8s ", -1, -1, SF(URN), L_OUSER, "Real User Name" },
|
||
{ " SUID ", "%5d ", -1, -1, SF(USD), L_status, "Saved User Id" },
|
||
{ "SUSER ", "%-8.8s ", -1, -1, SF(USN), L_OUSER, "Saved User Name" },
|
||
{ " GID ", "%5d ", -1, -1, SF(GID), L_NONE, "Group Id" },
|
||
{ "GROUP ", "%-8.8s ", -1, -1, SF(GRP), L_EGROUP, "Group Name" },
|
||
{ " PGRP ", "%5d ", -1, -1, SF(PGD), L_stat, "Process Group Id" },
|
||
{ "TTY ", "%-8.8s ", 8, -1, SF(TTY), L_stat, "Controlling Tty" },
|
||
{ "TPGID ", "%5d ", -1, -1, SF(TPG), L_stat, "Tty Process Grp Id" },
|
||
{ " SID ", "%5d ", -1, -1, SF(SID), L_stat, "Session Id" },
|
||
{ " PR ", "%3d ", -1, -1, SF(PRI), L_stat, "Priority" },
|
||
{ " NI ", "%3d ", -1, -1, SF(NCE), L_stat, "Nice Value" },
|
||
{ "nTH ", "%3d ", -1, -1, SF(THD), L_EITHER, "Number of Threads" },
|
||
{ NULL, NULL, -1, -1, SF(CPN), L_stat, "Last Used Cpu (SMP)" },
|
||
{ "%CPU ", NULL, -1, -1, SF(CPU), L_stat, "CPU Usage" },
|
||
{ " TIME ", "%6.6s ", 6, -1, SF(TME), L_stat, "CPU Time" },
|
||
{ " TIME+ ", "%9.9s ", 9, -1, SF(TME), L_stat, "CPU Time, hundredths" },
|
||
{ "%MEM ", "%#4.1f ", -1, -1, SF(RES), L_statm, "Memory Usage (RES)" },
|
||
{ " VIRT ", "%5.5s ", 5, SK_Kb, SF(VRT), L_statm, "Virtual Image (kb)" },
|
||
{ "SWAP ", "%4.4s ", 4, SK_Kb, SF(SWP), L_status, "Swapped Size (kb)" },
|
||
{ " RES ", "%4.4s ", 4, SK_Kb, SF(RES), L_statm, "Resident Size (kb)" },
|
||
{ "CODE ", "%4.4s ", 4, SK_Kb, SF(COD), L_statm, "Code Size (kb)" },
|
||
{ "DATA ", "%4.4s ", 4, SK_Kb, SF(DAT), L_statm, "Data+Stack Size (kb)" },
|
||
{ " SHR ", "%4.4s ", 4, SK_Kb, SF(SHR), L_statm, "Shared Mem Size (kb)" },
|
||
{ "nMaj ", "%4.4s ", 4, SK_no, SF(FL1), L_stat, "Major Page Faults" },
|
||
{ "nMin ", "%4.4s ", 4, SK_no, SF(FL2), L_stat, "Minor Page Faults" },
|
||
{ "nDRT ", "%4.4s ", 4, SK_no, SF(DRT), L_statm, "Dirty Pages Count" },
|
||
{ "S ", "%c ", -1, -1, SF(STA), L_EITHER, "Process Status" },
|
||
// next 2 entries are special: '.head' is variable width (see calibrate_fields)
|
||
{ "COMMAND ", NULL, -1, -1, SF(CMD), L_EITHER, "Command Name/Line" },
|
||
{ "WCHAN ", NULL, -1, -1, SF(WCH), L_stat, "Sleeping in Function" },
|
||
// next entry's special: the 0's will be replaced with '.'!
|
||
#ifdef CASEUP_HEXES
|
||
{ "Flags ", "%08lX ", -1, -1, SF(FLG), L_stat, "Task Flags <sched.h>" },
|
||
#else
|
||
{ "Flags ", "%08lx ", -1, -1, SF(FLG), L_stat, "Task Flags <sched.h>" },
|
||
#endif
|
||
// next 3 entries as P_CMD/P_WCH: '.head' must be same length -- they share varcolsz
|
||
{ "CGROUPS ", NULL, -1, -1, SF(CGR), L_CGROUP, "Control Groups" },
|
||
{ "SUPGIDS ", NULL, -1, -1, SF(SGD), L_status, "Supp Groups IDs" },
|
||
{ "SUPGRPS ", NULL, -1, -1, SF(SGN), L_SUPGRP, "Supp Groups Names" }
|
||
#ifdef OOMEM_ENABLE
|
||
#define L_oom PROC_FILLOOM
|
||
,{ "Adj ", "%3d ", -1, -1, SF(OOA), L_oom, "oom_adjustment (2^X)" }
|
||
,{ " Badness ", "%8d ", -1, -1, SF(OOM), L_oom, "oom_score (badness)" }
|
||
#undef L_oom
|
||
#endif
|
||
#undef SF
|
||
};
|
||
|
||
|
||
/*
|
||
* A calibrate_fields() *Helper* function to refresh the
|
||
* cached screen geometry and related variables */
|
||
static void adj_geometry (void) {
|
||
static size_t pseudo_max = 0;
|
||
static int w_set = 0, w_cols = 0, w_rows = 0;
|
||
struct winsize wz;
|
||
|
||
Screen_cols = columns; // <term.h>
|
||
Screen_rows = lines; // <term.h>
|
||
|
||
if (-1 != ioctl(STDOUT_FILENO, TIOCGWINSZ, &wz)
|
||
&& 0 < wz.ws_col && 0 < wz.ws_row) {
|
||
Screen_cols = wz.ws_col;
|
||
Screen_rows = wz.ws_row;
|
||
}
|
||
|
||
#ifndef RMAN_IGNORED
|
||
// be crudely tolerant of crude tty emulators
|
||
if (Cap_avoid_eol) Screen_cols--;
|
||
#endif
|
||
|
||
// we might disappoint some folks (but they'll deserve it)
|
||
if (SCREENMAX < Screen_cols) Screen_cols = SCREENMAX;
|
||
|
||
if (!w_set) {
|
||
if (Width_mode > 0) // -w with arg, we'll try to honor
|
||
w_cols = Width_mode;
|
||
else
|
||
if (Width_mode < 0) { // -w without arg, try environment
|
||
char *env_columns = getenv("COLUMNS"),
|
||
*env_lines = getenv("LINES"),
|
||
*ep;
|
||
if (env_columns && *env_columns) {
|
||
long t, tc = 0;
|
||
t = strtol(env_columns, &ep, 0);
|
||
if (!*ep && (t > 0) && (t <= 0x7fffffffL)) tc = t;
|
||
if (0 < tc) w_cols = (int)tc;
|
||
}
|
||
if (env_lines && *env_lines) {
|
||
long t, tr = 0;
|
||
t = strtol(env_lines, &ep, 0);
|
||
if (!*ep && (t > 0) && (t <= 0x7fffffffL)) tr = t;
|
||
if (0 < tr) w_rows = (int)tr;
|
||
}
|
||
if (!w_cols) w_cols = SCREENMAX;
|
||
if (w_cols && w_cols < W_MIN_COL) w_cols = W_MIN_COL;
|
||
if (w_rows && w_rows < W_MIN_ROW) w_rows = W_MIN_ROW;
|
||
}
|
||
w_set = 1;
|
||
}
|
||
|
||
/* keep our support for output optimization in sync with current reality
|
||
note: when we're in Batch mode, we don't really need a Pseudo_screen
|
||
and when not Batch, our buffer will contain 1 extra 'line' since
|
||
Msg_row is never represented -- but it's nice to have some space
|
||
between us and the great-beyond... */
|
||
if (Batch) {
|
||
if (w_cols) Screen_cols = w_cols;
|
||
Screen_rows = w_rows ? w_rows : MAXINT;
|
||
Pseudo_size = (sizeof(*Pseudo_screen) * ROWMAXSIZ);
|
||
} else {
|
||
if (w_cols && w_cols < Screen_cols) Screen_cols = w_cols;
|
||
if (w_rows && w_rows < Screen_rows) Screen_rows = w_rows;
|
||
Pseudo_size = (sizeof(*Pseudo_screen) * ROWMAXSIZ) * Screen_rows;
|
||
}
|
||
// we'll only grow our Pseudo_screen, never shrink it
|
||
if (pseudo_max < Pseudo_size) {
|
||
pseudo_max = Pseudo_size;
|
||
Pseudo_screen = alloc_r(Pseudo_screen, pseudo_max);
|
||
}
|
||
PSU_CLREOS(0);
|
||
if (Frames_resize) putp(Cap_clr_scr);
|
||
} // end: adj_geometry
|
||
|
||
|
||
/*
|
||
* After ensuring the intergrity of our cached screen dimensions,
|
||
* via adj_geometry(), for each visible window:
|
||
* 1) Set the number of fields/columns to display
|
||
* 2) Create the field columns heading
|
||
* 3) Set maximum width for any variable columns, if in use
|
||
* In the process, the required PROC_FILLxxx flags will be rebuilt! */
|
||
static void calibrate_fields (void) {
|
||
sigset_t newss, oldss;
|
||
FLG_t f;
|
||
char *s;
|
||
const char *h;
|
||
WIN_t *w = Curwin;
|
||
#ifdef EQUCOLHDRYES
|
||
int x, hdrmax = 0;
|
||
#endif
|
||
int i, needpsdb = 0;
|
||
int varcolcnt;
|
||
|
||
// block SIGWINCH signals while we do our thing...
|
||
sigemptyset(&newss);
|
||
sigaddset(&newss, SIGWINCH);
|
||
if (-1 == sigprocmask(SIG_BLOCK, &newss, &oldss))
|
||
error_exit(fmtmk("failed sigprocmask, SIG_BLOCK: %s", strerror(errno)));
|
||
|
||
adj_geometry();
|
||
Frames_libflags = 0;
|
||
|
||
do {
|
||
if (VIZISw(w)) {
|
||
w->hdrcaplen = 0; // really only used with USE_X_COLHDR
|
||
// build window's pflgsall array, establish upper bounds for maxpflgs
|
||
for (i = 0, w->totpflgs = 0; i < P_MAXPFLGS; i++) {
|
||
if (FLDviz(w, i)) {
|
||
f = FLDget(w, i);
|
||
#ifdef USE_X_COLHDR
|
||
w->pflgsall[w->totpflgs++] = f;
|
||
#else
|
||
if (CHKw(w, Show_HICOLS) && f == w->rc.sortindx) {
|
||
w->pflgsall[w->totpflgs++] = X_XON;
|
||
w->pflgsall[w->totpflgs++] = f;
|
||
w->pflgsall[w->totpflgs++] = X_XOF;
|
||
} else
|
||
w->pflgsall[w->totpflgs++] = f;
|
||
#endif
|
||
}
|
||
}
|
||
|
||
/* build a preliminary columns header not to exceed screen width
|
||
while accounting for a possible leading window number */
|
||
w->varcolsz = varcolcnt = 0;
|
||
*(s = w->columnhdr) = '\0';
|
||
if (Rc.mode_altscr) s = scat(s, " ");
|
||
for (i = 0; i + w->begpflg < w->totpflgs; i++) {
|
||
f = w->pflgsall[i + w->begpflg];
|
||
w->procflgs[i] = f;
|
||
#ifndef USE_X_COLHDR
|
||
if (P_MAXPFLGS < f) continue;
|
||
#endif
|
||
h = Fieldstab[f].head;
|
||
// oops, won't fit -- we're outta here...
|
||
if (Screen_cols <= ((int)(s - w->columnhdr) + (int)strlen(h))) break;
|
||
if (!Fieldstab[f].fmts) { ++varcolcnt; w->varcolsz += strlen(h) - 1; }
|
||
s = scat(s, h);
|
||
}
|
||
|
||
/* establish the final maxpflgs and prepare to grow the variable column
|
||
heading(s) via varcolsz - it may be a fib if their pflags weren't
|
||
encountered, but that's ok because they won't be displayed anyway */
|
||
w->maxpflgs = i;
|
||
w->varcolsz += Screen_cols - strlen(w->columnhdr);
|
||
if (varcolcnt) w->varcolsz = w->varcolsz / varcolcnt;
|
||
|
||
/* establish the field where all remaining fields would still
|
||
fit within screen width, including a leading window number */
|
||
*(s = w->columnhdr) = '\0';
|
||
if (Rc.mode_altscr) s = scat(s, " ");
|
||
for (i = w->totpflgs - 1; -1 < i; i--) {
|
||
f = w->pflgsall[i];
|
||
#ifndef USE_X_COLHDR
|
||
if (P_MAXPFLGS < f) continue;
|
||
#endif
|
||
h = Fieldstab[f].head;
|
||
if (Screen_cols <= ((int)(s - w->columnhdr) + (int)strlen(h))) break;
|
||
s = scat(s, h);
|
||
w->endpflg = i;
|
||
}
|
||
|
||
/* finally, we can build the true run-time columns header, format any
|
||
variable column heading(s), if they're really being displayed, and
|
||
rebuild the all-important PROC_FILLxxx flags that will be used
|
||
until/if we're we're called again */
|
||
memset((s = w->columnhdr), 0, sizeof(w->columnhdr));
|
||
if (Rc.mode_altscr) s = scat(s, fmtmk("%d", w->winnum));
|
||
for (i = 0; i < w->maxpflgs; i++) {
|
||
f = w->procflgs[i];
|
||
#ifdef USE_X_COLHDR
|
||
if (CHKw(w, Show_HICOLS) && f == w->rc.sortindx) {
|
||
s = scat(s, fmtmk("%s%s", Caps_off, w->capclr_msg));
|
||
w->hdrcaplen += strlen(Caps_off) + strlen(w->capclr_msg);
|
||
}
|
||
#else
|
||
if (P_MAXPFLGS < f) continue;
|
||
#endif
|
||
h = Fieldstab[f].head;
|
||
if (P_WCH == f) needpsdb = 1;
|
||
if (P_CMD == f && CHKw(w, Show_CMDLIN)) Frames_libflags |= L_CMDLINE;
|
||
if (Fieldstab[f].fmts) s = scat(s, h);
|
||
else s = scat(s, fmtmk(VARCOL_fmts, w->varcolsz, w->varcolsz, h));
|
||
Frames_libflags |= Fieldstab[w->procflgs[i]].lflg;
|
||
#ifdef USE_X_COLHDR
|
||
if (CHKw(w, Show_HICOLS) && f == w->rc.sortindx) {
|
||
s = scat(s, fmtmk("%s%s", Caps_off, w->capclr_hdr));
|
||
w->hdrcaplen += strlen(Caps_off) + strlen(w->capclr_hdr);
|
||
}
|
||
#endif
|
||
}
|
||
#ifdef EQUCOLHDRYES
|
||
// prepare to even out column header lengths...
|
||
if (hdrmax + w->hdrcaplen < (x = strlen(w->columnhdr))) hdrmax = x - w->hdrcaplen;
|
||
// must sacrifice last header positon to avoid task row abberations
|
||
w->eolcap = Caps_endline;
|
||
#else
|
||
if (Screen_cols > (int)strlen(w->columnhdr)) w->eolcap = Caps_endline;
|
||
else w->eolcap = Caps_off;
|
||
#endif
|
||
// we must also accommodate an out of view sort field...
|
||
f = w->rc.sortindx;
|
||
Frames_libflags |= Fieldstab[f].lflg;
|
||
if (P_CMD == f && CHKw(w, Show_CMDLIN)) Frames_libflags |= L_CMDLINE;
|
||
} // end: VIZISw(w)
|
||
if (Rc.mode_altscr) w = w->next;
|
||
} while (w != Curwin);
|
||
|
||
#ifdef EQUCOLHDRYES
|
||
/* now we can finally even out column header lengths
|
||
(we're assuming entire columnhdr was memset to '\0') */
|
||
if (Rc.mode_altscr && SCREENMAX > Screen_cols)
|
||
for (i = 0; i < GROUPSMAX; i++) {
|
||
w = &Winstk[i];
|
||
if (CHKw(w, Show_TASKON))
|
||
if (hdrmax + w->hdrcaplen > (x = strlen(w->columnhdr)))
|
||
memset(&w->columnhdr[x], ' ', hdrmax + w->hdrcaplen - x);
|
||
}
|
||
#endif
|
||
|
||
// do we need the kernel symbol table (and is it already open?)
|
||
if (needpsdb) {
|
||
if (-1 == No_ksyms) {
|
||
No_ksyms = 0;
|
||
if (open_psdb_message(NULL, msg_save))
|
||
No_ksyms = 1;
|
||
else
|
||
PSDBopen = 1;
|
||
}
|
||
}
|
||
|
||
// finalize/touchup the libproc PROC_FILLxxx flags for current config...
|
||
if ((Frames_libflags & L_EITHER) && !(Frames_libflags & L_stat))
|
||
Frames_libflags |= L_status;
|
||
if (!Frames_libflags) Frames_libflags = L_DEFAULT;
|
||
if (Monpidsidx) Frames_libflags |= PROC_PID;
|
||
|
||
Frames_resize = 0;
|
||
if (-1 == sigprocmask(SIG_SETMASK, &oldss, NULL))
|
||
error_exit(fmtmk("failed sigprocmask, SIG_SETMASK: %s", strerror(errno)));
|
||
} // end: calibrate_fields
|
||
|
||
|
||
/*
|
||
* Display each field represented in the current window's fieldscur
|
||
* array along with its description. Mark with bold and a leading
|
||
* asterisk those fields associated with the "on" or "active" state.
|
||
*
|
||
* Special highlighting will be accorded the "focus" field with such
|
||
* highlighting potentially extended to include the description.
|
||
*
|
||
* Below is the current Fieldstab space requirement and how
|
||
* we apportion it. The xSUFX is considered sacrificial,
|
||
* something we can reduce or do without.
|
||
* 0 1 2 3
|
||
* 12345678901234567890123456789012
|
||
* * HEADING = Longest Description!
|
||
* xPRFX ----------______________________ xSUFX
|
||
* ( xPRFX has pos 2 & 10 for 'extending' when at minimums )
|
||
*
|
||
* The first 4 screen rows are reserved for explanatory text.
|
||
* Thus, with our current 38 fields, a maximum of 6 columns and
|
||
* 1 space between columns, a tty will still remain useable under
|
||
* these extremes:
|
||
* rows cols displayed
|
||
* ---- ---- ------------------
|
||
* 11 66 xPRFX only (w/ room for +4)
|
||
* 11 198 full xPRFX + xSUFX (w/ room for +4)
|
||
* 23 22 xPRFX only
|
||
* 23 66 full xPRFX + xSUFX
|
||
* ( if not, the user deserves our most cryptic messages )
|
||
*/
|
||
static void display_fields (int focus, int extend) {
|
||
#define mxCOL 6
|
||
#define yRSVD 4
|
||
#define xSUFX 22
|
||
#define xPRFX (10 + xadd)
|
||
#define xTOTL (xPRFX + xSUFX)
|
||
WIN_t *w = Curwin; // avoid gcc bloat with a local copy
|
||
int i; // utility int (a row, tot cols, ix)
|
||
int smax; // printable width of xSUFX
|
||
int xadd = 0; // spacing between data columns
|
||
int cmax = Screen_cols; // total data column width
|
||
int rmax = Screen_rows - yRSVD; // total useable rows
|
||
|
||
fflush(stdout);
|
||
i = (P_MAXPFLGS % mxCOL) ? 1 : 0;
|
||
if (rmax < i + (P_MAXPFLGS / mxCOL)) error_exit("++rows");
|
||
i = P_MAXPFLGS / rmax;
|
||
if (P_MAXPFLGS % rmax) ++i;
|
||
if (i > 1) { cmax /= i; xadd = 1; }
|
||
if (cmax > xTOTL) cmax = xTOTL;
|
||
smax = cmax - xPRFX;
|
||
if (smax < 0) error_exit("++cols");
|
||
|
||
for (i = 0; i < P_MAXPFLGS; ++i) {
|
||
char sbuf[xSUFX+1];
|
||
int b = FLDviz(w, i);
|
||
FLG_t f = FLDget(w, i);
|
||
const char *h, *e = (i == focus && extend) ? w->capclr_msg : "";
|
||
|
||
// advance past leading header spaces and prep sacrificial suffix
|
||
for (h = Fieldstab[f].head; ' ' == *h; ++h) ;
|
||
snprintf(sbuf, sizeof(sbuf), "= %s", Fieldstab[f].desc);
|
||
|
||
PUTT("%s%c%s%s %s%-7.7s%s%s%s %-*.*s%s"
|
||
, tg2((i / rmax) * cmax, (i % rmax) + yRSVD)
|
||
, b ? '*' : ' '
|
||
, b ? w->cap_bold : Cap_norm
|
||
, e
|
||
, i == focus ? w->capclr_msg : ""
|
||
, h
|
||
, Cap_norm
|
||
, b ? w->cap_bold : ""
|
||
, e
|
||
, smax, smax
|
||
, sbuf
|
||
, Cap_norm);
|
||
}
|
||
|
||
putp(Caps_off);
|
||
#undef mxCOL
|
||
#undef yRSVD
|
||
#undef xSUFX
|
||
#undef xPRFX
|
||
#undef xTOTL
|
||
} // end: display_fields
|
||
|
||
|
||
/*
|
||
* Manage all fields aspects (order/toggle/sort), for all windows. */
|
||
static void fields_utility (void) {
|
||
#define unSCRL w->begpflg = 0;
|
||
#define swapEM { char c; unSCRL; c = w->rc.fieldscur[i]; \
|
||
w->rc.fieldscur[i] = *p; *p = c; p = &w->rc.fieldscur[i]; }
|
||
#define spewFI { char *t; f = w->rc.sortindx; t = strchr(w->rc.fieldscur, f + FLD_OFFSET); \
|
||
if (!t) t = strchr(w->rc.fieldscur, (f + FLD_OFFSET) | 0x80); \
|
||
i = (t) ? (int)(t - w->rc.fieldscur) : 0; }
|
||
WIN_t *w = Curwin; // avoid gcc bloat with a local copy
|
||
const char *h = NULL;
|
||
char *p = NULL;
|
||
int i, key;
|
||
FLG_t f;
|
||
|
||
putp(Cap_clr_scr);
|
||
spewFI
|
||
|
||
do {
|
||
// advance past leading spaces, if any
|
||
if (!h) for (h = Fieldstab[f].head; ' ' == *h; ++h) ;
|
||
display_fields(i, (p != NULL));
|
||
putp(Cap_home);
|
||
show_special(1, fmtmk(FIELDS_heading, w->grpname, h));
|
||
|
||
switch (key = keyin(0)) {
|
||
case kbd_UP:
|
||
if (i > 0) { --i; if (p) swapEM }
|
||
break;
|
||
case kbd_DOWN:
|
||
if (i + 1 < P_MAXPFLGS) { ++i; if (p) swapEM }
|
||
break;
|
||
case kbd_LEFT:
|
||
case kbd_ENTER:
|
||
p = NULL;
|
||
break;
|
||
case kbd_RIGHT:
|
||
p = &w->rc.fieldscur[i];
|
||
break;
|
||
case kbd_HOME:
|
||
case kbd_PGUP:
|
||
if (!p) i = 0;
|
||
break;
|
||
case kbd_END:
|
||
case kbd_PGDN:
|
||
if (!p) i = P_MAXPFLGS - 1;
|
||
break;
|
||
case kbd_SPACE:
|
||
case 'd':
|
||
if (!p) { FLDtog(w, i); unSCRL }
|
||
break;
|
||
case 's':
|
||
if (!p) { w->rc.sortindx = f = FLDget(w, i); h = NULL; unSCRL }
|
||
break;
|
||
case 'a':
|
||
case 'w':
|
||
Curwin = w = ('a' == key) ? w->next : w->prev;
|
||
spewFI
|
||
p = NULL;
|
||
h = NULL;
|
||
break;
|
||
default: // keep gcc happy
|
||
break;
|
||
}
|
||
} while (key && 'q' != key && kbd_ESC != key);
|
||
#undef unSCRL
|
||
#undef swapEM
|
||
#undef spewFI
|
||
} // end: fields_utility
|
||
|
||
|
||
/*
|
||
* This routine exists just to consolidate all the messin' around
|
||
* with Fieldstab '.head' and '.fmts' members -- until we devise
|
||
* a more elegant soultion. */
|
||
static void zap_fieldstab (void) {
|
||
static char fmts_pid[8];
|
||
static char fmts_cpu[8];
|
||
unsigned digits;
|
||
char buf[8];
|
||
|
||
Fieldstab[P_PID].head = " PID ";
|
||
Fieldstab[P_PID].fmts = "%5d ";
|
||
Fieldstab[P_PPD].head = " PPID ";
|
||
Fieldstab[P_PPD].fmts = "%5d ";
|
||
if (5 < (digits = get_pid_digits())) {
|
||
if (10 < digits) error_exit("failed pid size test");
|
||
snprintf(fmts_pid, sizeof(fmts_pid), "%%%uu ", digits);
|
||
Fieldstab[P_PID].head = " PID " + 10 - digits;
|
||
Fieldstab[P_PID].fmts = fmts_pid;
|
||
Fieldstab[P_PPD].head = " PPID " + 10 - digits;
|
||
Fieldstab[P_PPD].fmts = fmts_pid;
|
||
}
|
||
|
||
Fieldstab[P_CPN].head = "P ";
|
||
Fieldstab[P_CPN].fmts = "%1d ";
|
||
if (1 < (digits = (unsigned)snprintf(buf, sizeof(buf), "%u", (unsigned)Cpu_tot))) {
|
||
if (5 < digits) error_exit("failed num cpus test");
|
||
snprintf(fmts_cpu, sizeof(fmts_cpu), "%%%ud ", digits);
|
||
Fieldstab[P_CPN].head = " P " + 5 - digits;
|
||
Fieldstab[P_CPN].fmts = fmts_cpu;
|
||
}
|
||
|
||
Cpu_pmax = 99.0;
|
||
Fieldstab[P_CPU].fmts = "%#4.1f ";
|
||
if (Rc.mode_irixps && Cpu_tot > 1 && !Thread_mode) {
|
||
Cpu_pmax = 9999.0;
|
||
Fieldstab[P_CPU].fmts = "%4.0f ";
|
||
}
|
||
} // end: zap_fieldstab
|
||
|
||
/*###### Library Interface #############################################*/
|
||
|
||
/*
|
||
* This guy's modeled on libproc's 'five_cpu_numbers' function except
|
||
* we preserve all cpu data in our CPU_t array which is organized
|
||
* as follows:
|
||
* cpus[0] thru cpus[n] == tics for each separate cpu
|
||
* cpus[Cpu_tot] == tics from the 1st /proc/stat line */
|
||
static CPU_t *cpus_refresh (CPU_t *cpus) {
|
||
static const char err_read[] = "failed /proc/stat read";
|
||
static FILE *fp = NULL;
|
||
static int sav_cpus = -1;
|
||
char buf[MEDBUFSIZ]; // enough for /proc/stat CPU line (not the intr line)
|
||
int i;
|
||
|
||
/*** hotplug_acclimated ***/
|
||
if (sav_cpus != smp_num_cpus) {
|
||
Cpu_tot = sav_cpus = smp_num_cpus;
|
||
zap_fieldstab();
|
||
calibrate_fields();
|
||
if (fp) { fclose(fp); fp = NULL; }
|
||
if (cpus) { free(cpus); cpus = NULL; }
|
||
}
|
||
|
||
/* by opening this file once, we'll avoid the hit on minor page faults
|
||
(sorry Linux, but you'll have to close it for us) */
|
||
if (!fp) {
|
||
if (!(fp = fopen("/proc/stat", "r")))
|
||
error_exit(fmtmk("failed /proc/stat open: %s", strerror(errno)));
|
||
/* note: we allocate one more CPU_t than Cpu_tot so that the last slot
|
||
can hold tics representing the /proc/stat cpu summary (the first
|
||
line read) -- that slot supports our View_CPUSUM toggle */
|
||
cpus = alloc_c((1 + Cpu_tot) * sizeof(CPU_t));
|
||
}
|
||
rewind(fp);
|
||
fflush(fp);
|
||
|
||
// first value the last slot with the cpu summary line
|
||
cpus[Cpu_tot].x = cpus[Cpu_tot].y = cpus[Cpu_tot].z = 0;
|
||
// FIXME: can't tell above by kernel version number
|
||
if (!fgets(buf, sizeof(buf), fp)) error_exit(err_read);
|
||
if (4 > sscanf(buf, "cpu %Lu %Lu %Lu %Lu %Lu %Lu %Lu %Lu"
|
||
, &cpus[Cpu_tot].u, &cpus[Cpu_tot].n, &cpus[Cpu_tot].s, &cpus[Cpu_tot].i
|
||
, &cpus[Cpu_tot].w, &cpus[Cpu_tot].x, &cpus[Cpu_tot].y, &cpus[Cpu_tot].z))
|
||
error_exit(err_read);
|
||
// and just in case we're 2.2.xx compiled without SMP support...
|
||
if (1 == Cpu_tot)
|
||
memcpy(cpus, &cpus[1], sizeof(CPU_t));
|
||
// now value each separate cpu's tics
|
||
for (i = 0; i < Cpu_tot; i++) {
|
||
#ifdef PRETEND4CPUS
|
||
rewind(fp);
|
||
fgets(buf, sizeof(buf), fp);
|
||
#endif
|
||
if (!fgets(buf, sizeof(buf), fp)) error_exit(err_read);
|
||
cpus[i].x = cpus[i].y = cpus[i].z = 0;
|
||
// FIXME: can't tell above by kernel version number
|
||
if (4 > sscanf(buf, "cpu%u %Lu %Lu %Lu %Lu %Lu %Lu %Lu %Lu", &cpus[i].id
|
||
, &cpus[i].u, &cpus[i].n, &cpus[i].s, &cpus[i].i
|
||
, &cpus[i].w, &cpus[i].x, &cpus[i].y, &cpus[i].z)) {
|
||
error_exit(err_read);
|
||
}
|
||
#ifdef PRETEND4CPUS
|
||
cpus[i].id = i;
|
||
#endif
|
||
}
|
||
return cpus;
|
||
} // end: cpus_refresh
|
||
|
||
|
||
#ifdef OFF_HST_HASH
|
||
/*
|
||
* Binary Search for HST_t's put/get support */
|
||
|
||
static inline HST_t *hstbsrch (HST_t *hst, int max, int pid) {
|
||
int mid, min = 0;
|
||
|
||
while (min <= max) {
|
||
mid = (min + max) / 2;
|
||
if (pid < hst[mid].pid) max = mid - 1;
|
||
else if (pid > hst[mid].pid) min = mid + 1;
|
||
else return &hst[mid];
|
||
}
|
||
return NULL;
|
||
} // end: hstbsrch
|
||
|
||
#else
|
||
/*
|
||
* Hashing functions for HST_t's put/get support
|
||
* (not your normal 'chaining', those damn HST_t's might move!) */
|
||
|
||
#define _HASH_(K) (K & (HHASH_SIZ - 1))
|
||
|
||
static inline HST_t *hstget (int pid) {
|
||
int V = PHash_sav[_HASH_(pid)];
|
||
|
||
while (-1 < V) {
|
||
if (PHist_sav[V].pid == pid) return &PHist_sav[V];
|
||
V = PHist_sav[V].lnk; }
|
||
return NULL;
|
||
} // end: hstget
|
||
|
||
|
||
static inline void hstput (unsigned idx) {
|
||
int V = _HASH_(PHist_new[idx].pid);
|
||
|
||
PHist_new[idx].lnk = PHash_new[V];
|
||
PHash_new[V] = idx;
|
||
} // end: hstput
|
||
|
||
#undef _HASH_
|
||
#endif
|
||
|
||
/*
|
||
* Refresh procs *Helper* function to eliminate yet one more need
|
||
* to loop through our darn proc_t table. He's responsible for:
|
||
* 1) calculating the elapsed time since the previous frame
|
||
* 2) counting the number of tasks in each state (run, sleep, etc)
|
||
* 3) maintaining the HST_t's and priming the proc_t pcpu field
|
||
* 4) establishing the total number tasks for this frame */
|
||
static void prochlp (proc_t *this) {
|
||
#ifdef OFF_HST_HASH
|
||
static unsigned maxt_sav = 0; // prior frame's max tasks
|
||
#endif
|
||
TIC_t tics;
|
||
HST_t *h;
|
||
|
||
if (!this) {
|
||
static struct timeval oldtimev;
|
||
struct timeval timev;
|
||
struct timezone timez;
|
||
float et;
|
||
void *v;
|
||
|
||
gettimeofday(&timev, &timez);
|
||
et = (timev.tv_sec - oldtimev.tv_sec)
|
||
+ (float)(timev.tv_usec - oldtimev.tv_usec) / 1000000.0;
|
||
oldtimev.tv_sec = timev.tv_sec;
|
||
oldtimev.tv_usec = timev.tv_usec;
|
||
|
||
// if in Solaris mode, adjust our scaling for all cpus
|
||
Frame_etscale = 100.0f / ((float)Hertz * (float)et * (Rc.mode_irixps ? 1 : Cpu_tot));
|
||
#ifdef OFF_HST_HASH
|
||
maxt_sav = Frame_maxtask;
|
||
#endif
|
||
Frame_maxtask = Frame_running = Frame_sleepin = Frame_stopped = Frame_zombied = 0;
|
||
|
||
// prep for saving this frame's HST_t's (and reuse mem each time around)
|
||
v = PHist_sav;
|
||
PHist_sav = PHist_new;
|
||
PHist_new = v;
|
||
#ifdef OFF_HST_HASH
|
||
// prep for binary search by sorting the last frame's HST_t's
|
||
qsort(PHist_sav, maxt_sav, sizeof(HST_t), (QFP_t)sort_HST_t);
|
||
#else
|
||
v = PHash_sav;
|
||
PHash_sav = PHash_new;
|
||
PHash_new = v;
|
||
memcpy(PHash_new, HHash_nul, sizeof(HHash_nul));
|
||
#endif
|
||
return;
|
||
}
|
||
|
||
switch (this->state) {
|
||
case 'R':
|
||
Frame_running++;
|
||
break;
|
||
case 'S':
|
||
case 'D':
|
||
Frame_sleepin++;
|
||
break;
|
||
case 'T':
|
||
Frame_stopped++;
|
||
break;
|
||
case 'Z':
|
||
Frame_zombied++;
|
||
break;
|
||
default: // keep gcc happy
|
||
break;
|
||
}
|
||
|
||
if (Frame_maxtask+1 >= HHist_siz) {
|
||
HHist_siz = HHist_siz * 5 / 4 + 100;
|
||
PHist_sav = alloc_r(PHist_sav, sizeof(HST_t) * HHist_siz);
|
||
PHist_new = alloc_r(PHist_new, sizeof(HST_t) * HHist_siz);
|
||
}
|
||
|
||
/* calculate time in this process; the sum of user time (utime) and
|
||
system time (stime) -- but PLEASE dont waste time and effort on
|
||
calcs and saves that go unused, like the old top! */
|
||
PHist_new[Frame_maxtask].pid = this->tid;
|
||
PHist_new[Frame_maxtask].tics = tics = (this->utime + this->stime);
|
||
|
||
#ifdef OFF_HST_HASH
|
||
// find matching entry from previous frame and make ticks elapsed
|
||
if ((h = hstbsrch(PHist_sav, maxt_sav - 1, this->tid))) tics -= h->tics;
|
||
#else
|
||
// hash & save for the next frame
|
||
hstput(Frame_maxtask);
|
||
// find matching entry from previous frame and make ticks elapsed
|
||
if ((h = hstget(this->tid))) tics -= h->tics;
|
||
#endif
|
||
|
||
/* we're just saving elapsed tics, to be converted into %cpu if
|
||
this task wins it's displayable screen row lottery... */
|
||
this->pcpu = tics;
|
||
|
||
// shout this to the world with the final call (or us the next time in)
|
||
Frame_maxtask++;
|
||
} // end: prochlp
|
||
|
||
|
||
/*
|
||
* This guy's modeled on libproc's 'readproctab' function except
|
||
* we reuse and extend any prior proc_t's. He's been customized
|
||
* for our specific needs and to avoid the use of <stdarg.h> */
|
||
static proc_t **procs_refresh (proc_t **ppt) {
|
||
#define PTRsz sizeof(proc_t *)
|
||
#define ENTsz sizeof(proc_t)
|
||
static unsigned savmax = 0; // first time, Bypass: (i)
|
||
proc_t *ptask = (proc_t *)-1; // first time, Force: (ii)
|
||
unsigned curmax = 0; // every time (jeeze)
|
||
PROCTAB* PT;
|
||
proc_t *pthrd; // for thread hack
|
||
|
||
prochlp(NULL); // prep for a new frame
|
||
if (NULL == (PT = openproc(Frames_libflags, Monpids)))
|
||
error_exit(fmtmk("failed openproc: %s", strerror(errno)));
|
||
|
||
// i) Allocated Chunks: *Existing* table; refresh + reuse
|
||
if (!Thread_mode) {
|
||
while (curmax < savmax) {
|
||
if (!(ptask = readproc(PT, ppt[curmax]))) break;
|
||
prochlp(ptask); // tally & complete this proc_t
|
||
++curmax;
|
||
}
|
||
}
|
||
else { // acquire as separate threads
|
||
while (curmax < savmax) {
|
||
if (!(ptask = readproc(PT, NULL))) break;
|
||
while (curmax < savmax) {
|
||
if (!(pthrd = readtask(PT, ptask, ppt[curmax]))) break;
|
||
prochlp(pthrd); // tally & complete this thread
|
||
++curmax;
|
||
}
|
||
freeproc(ptask); // readproc's proc_t not needed
|
||
}
|
||
}
|
||
|
||
// ii) Unallocated Chunks: *New* or *Existing* table; extend + fill
|
||
if (!Thread_mode) {
|
||
while (ptask) {
|
||
// realloc as we go, keeping 'ppt' ahead of 'currmax++'
|
||
ppt = alloc_r(ppt, (curmax + 1) * PTRsz);
|
||
// here, readproc will allocate the underlying proc_t stg
|
||
if ((ptask = readproc(PT, NULL))) {
|
||
prochlp(ptask); // tally & complete this proc_t
|
||
ppt[curmax++] = ptask;
|
||
}
|
||
}
|
||
}
|
||
else { // acquire as separate threads
|
||
while (ptask) {
|
||
if ((ptask = readproc(PT, NULL))) {
|
||
for (;;) {
|
||
ppt = alloc_r(ppt, (curmax + 1) * PTRsz);
|
||
if (!(pthrd = readtask(PT, ptask, NULL))) break;
|
||
prochlp(pthrd); // tally & complete this thread
|
||
ppt[curmax++] = pthrd;
|
||
}
|
||
freeproc(ptask); // readproc's proc_t not needed
|
||
}
|
||
}
|
||
}
|
||
closeproc(PT);
|
||
|
||
// iii) Chunkless: make 'eot' entry, after ensuring proc_t exists
|
||
if (curmax >= savmax) {
|
||
ppt = alloc_r(ppt, (curmax + 1) * PTRsz);
|
||
// here, we must allocate the underlying proc_t stg ourselves
|
||
ppt[curmax] = alloc_c(ENTsz);
|
||
savmax = curmax + 1;
|
||
}
|
||
// this frame's end, but not necessarily end of allocated space
|
||
ppt[curmax]->tid = -1;
|
||
return ppt;
|
||
#undef PTRsz
|
||
#undef ENTsz
|
||
} // end: procs_refresh
|
||
|
||
|
||
/*
|
||
* This serves as our interface to the memory & cpu count (sysinfo)
|
||
* portion of libproc. In support of those hotpluggable resources,
|
||
* the sampling frequencies are reduced so as to minimize overhead.
|
||
* We'll strive to verify the number of cpus every 5 minutes and the
|
||
* memory availability/usage every 3 seconds. */
|
||
static void sysinfo_refresh (int forced) {
|
||
static time_t mem_secs, cpu_secs;
|
||
time_t cur_secs;
|
||
|
||
if (forced)
|
||
mem_secs = cpu_secs = 0;
|
||
time(&cur_secs);
|
||
|
||
if (3 <= cur_secs - mem_secs) {
|
||
meminfo();
|
||
mem_secs = cur_secs;
|
||
}
|
||
#ifndef PRETEND4CPUS
|
||
if (300 <= cur_secs - cpu_secs) {
|
||
cpuinfo();
|
||
cpu_secs = cur_secs;
|
||
}
|
||
#endif
|
||
} // end: sysinfo_refresh
|
||
|
||
/*###### Startup routines ##############################################*/
|
||
|
||
/*
|
||
* No matter what *they* say, we handle the really really BIG and
|
||
* IMPORTANT stuff upon which all those lessor functions depend! */
|
||
static void before (char *me) {
|
||
int i;
|
||
|
||
// setup our program name -- big!
|
||
Myname = strrchr(me, '/');
|
||
if (Myname) ++Myname; else Myname = me;
|
||
|
||
// establish cpu particulars -- even bigger!
|
||
#ifdef PRETEND4CPUS
|
||
smp_num_cpus = 4;
|
||
#endif
|
||
Cpu_tot = smp_num_cpus;
|
||
if (linux_version_code > LINUX_VERSION(2, 5, 41))
|
||
Cpu_States_fmts = STATES_line2x5;
|
||
if (linux_version_code >= LINUX_VERSION(2, 6, 0))
|
||
Cpu_States_fmts = STATES_line2x6;
|
||
if (linux_version_code >= LINUX_VERSION(2, 6, 11))
|
||
Cpu_States_fmts = STATES_line2x7;
|
||
|
||
// get virtual page stuff -- nearing huge!
|
||
Page_size = getpagesize();
|
||
i = Page_size;
|
||
while(i > 1024) { i >>= 1; Pg2K_shft++; }
|
||
|
||
#ifndef OFF_HST_HASH
|
||
// prep for HST_t's put/get hashing optimizations
|
||
for (i = 0; i < HHASH_SIZ; i++) HHash_nul[i] = -1;
|
||
memcpy(HHash_one, HHash_nul, sizeof(HHash_nul));
|
||
memcpy(HHash_two, HHash_nul, sizeof(HHash_nul));
|
||
#endif
|
||
|
||
// lastly, fill in the missing Fieldstab .head and .fmts members
|
||
zap_fieldstab();
|
||
} // end: before
|
||
|
||
|
||
/*
|
||
* Build the local RC file name then try to read both of 'em.
|
||
* 'SYS_RCFILESPEC' contains two lines consisting of the secure
|
||
* mode switch and an update interval. It's presence limits what
|
||
* ordinary users are allowed to do.
|
||
* 'Rc_name' contains multiple lines - 2 global + 3 per window.
|
||
* line 1: an eyecatcher and creating program/alias name
|
||
* line 2: an id, Mode_altcsr, Mode_irixps, Delay_time and Curwin.
|
||
* If running in secure mode via the /etc/rcfile,
|
||
* the 'delay time' will be ignored except for root.
|
||
* For each of the 4 windows:
|
||
* line a: contains w->winname, fieldscur
|
||
* line b: contains w->winflags, sortindx, maxtasks
|
||
* line c: contains w->summclr, msgsclr, headclr, taskclr */
|
||
static void configs_read (void) {
|
||
#ifndef RCFILE_NOERR
|
||
static const char err_rcid[] = "incompatible rcfile, you should delete '%s'";
|
||
static const char err_flds[] = "window entry #%d corrupt, please delete '%s'";
|
||
#else
|
||
RCF_t rcdef = DEF_RCFILE;
|
||
#endif
|
||
float tmp_delay = DEF_DELAY;
|
||
char fbuf[LRGBUFSIZ];
|
||
FILE *fp;
|
||
int i, x;
|
||
char id;
|
||
|
||
if (!getenv("HOME")) snprintf(Rc_name, sizeof(Rc_name), ".%src", Myname);
|
||
else snprintf(Rc_name, sizeof(Rc_name), "%s/.%src", getenv("HOME"), Myname);
|
||
|
||
fp = fopen(SYS_RCFILESPEC, "r");
|
||
if (fp) {
|
||
fbuf[0] = '\0';
|
||
fgets(fbuf, sizeof(fbuf), fp); // sys rc file, line 1
|
||
if (strchr(fbuf, 's')) Secure_mode = 1;
|
||
fbuf[0] = '\0';
|
||
fgets(fbuf, sizeof(fbuf), fp); // sys rc file, line 2
|
||
sscanf(fbuf, "%f", &Rc.delay_time);
|
||
fclose(fp);
|
||
}
|
||
|
||
fp = fopen(Rc_name, "r");
|
||
if (fp) {
|
||
fbuf[0] = '\0';
|
||
fgets(fbuf, sizeof(fbuf), fp); // ignore eyecatcher
|
||
if (5 != (fscanf(fp, "Id:%c, "
|
||
"Mode_altscr=%d, Mode_irixps=%d, Delay_time=%f, Curwin=%d\n"
|
||
, &id, &Rc.mode_altscr, &Rc.mode_irixps, &tmp_delay, &i))
|
||
|| RCF_VERSION_ID != id)
|
||
#ifndef RCFILE_NOERR
|
||
error_exit(fmtmk(err_rcid, Rc_name));
|
||
#else
|
||
goto just_default_em;
|
||
#endif
|
||
// you saw that, right? (fscanf stickin' it to 'i')
|
||
Curwin = &Winstk[i];
|
||
|
||
for (i = 0 ; i < GROUPSMAX; i++) {
|
||
// note: "fieldscur=%__s" on next line should equal PFLAGSSIZ !
|
||
fscanf(fp, "%3s\tfieldscur=%64s\n"
|
||
, Winstk[i].rc.winname, Winstk[i].rc.fieldscur);
|
||
#if PFLAGSSIZ > 64
|
||
// too bad fscanf is not as flexible with his format string as snprintf
|
||
# error Hey, fix the above fscanf 'PFLAGSSIZ' dependency !
|
||
#endif
|
||
if (strlen(Winstk[i].rc.fieldscur) != sizeof(DEF_FIELDS) - 1)
|
||
#ifndef RCFILE_NOERR
|
||
error_exit(fmtmk(err_flds, i+1, Rc_name));
|
||
#else
|
||
goto just_default_em;
|
||
#endif
|
||
for (x = 0; x < P_MAXPFLGS; ++x) {
|
||
int f = FLDget(&Winstk[i], x);
|
||
if (P_MAXPFLGS <= f)
|
||
#ifndef RCFILE_NOERR
|
||
error_exit(fmtmk(err_flds, i+1, Rc_name));
|
||
#else
|
||
goto just_default_em;
|
||
#endif
|
||
}
|
||
fscanf(fp, "\twinflags=%d, sortindx=%u, maxtasks=%d\n"
|
||
, &Winstk[i].rc.winflags, &Winstk[i].rc.sortindx, &Winstk[i].rc.maxtasks);
|
||
fscanf(fp, "\tsummclr=%d, msgsclr=%d, headclr=%d, taskclr=%d\n"
|
||
, &Winstk[i].rc.summclr, &Winstk[i].rc.msgsclr
|
||
, &Winstk[i].rc.headclr, &Winstk[i].rc.taskclr);
|
||
}
|
||
fclose(fp);
|
||
}
|
||
|
||
// lastly, establish the true runtime secure mode and delay time
|
||
if (!getuid()) Secure_mode = 0;
|
||
if (!Secure_mode) Rc.delay_time = tmp_delay;
|
||
return;
|
||
|
||
#ifdef RCFILE_NOERR
|
||
just_default_em:
|
||
fclose(fp);
|
||
Rc = rcdef;
|
||
for (i = 0 ; i < GROUPSMAX; i++)
|
||
Winstk[i].rc = Rc.win[i];
|
||
#endif
|
||
} // end: configs_read
|
||
|
||
|
||
/*
|
||
* Parse command line arguments.
|
||
* Note: it's assumed that the rc file(s) have already been read
|
||
* and our job is to see if any of those options are to be
|
||
* overridden -- we'll force some on and negate others in our
|
||
* best effort to honor the loser's (oops, user's) wishes... */
|
||
static void parse_args (char **args) {
|
||
/* differences between us and the former top:
|
||
-C (separate CPU states for SMP) is left to an rcfile
|
||
-u (user monitoring) added to compliment interactive 'u'
|
||
-p (pid monitoring) allows a comma delimited list
|
||
-q (zero delay) eliminated as redundant, incomplete and inappropriate
|
||
use: "nice -n-10 top -d0" to achieve what was only claimed
|
||
. most switches act as toggles (not 'on' sw) for more user flexibility
|
||
. no deprecated/illegal use of 'breakargv:' with goto
|
||
. bunched args are actually handled properly and none are ignored
|
||
. we tolerate NO whitespace and NO switches -- maybe too tolerant? */
|
||
static const char usage_str[] =
|
||
" -hv | -bcHiSs -d delay -n limit -u|U user | -p pid[,pid] -w [cols]";
|
||
static const char sel_error[] = "conflicting process selections (U/p/u)";
|
||
static const char numbs_str[] = "+,-.0123456789";
|
||
float tmp_delay = MAXFLOAT;
|
||
char *p;
|
||
|
||
while (*args) {
|
||
const char *cp = *(args++);
|
||
|
||
while (*cp) {
|
||
char ch;
|
||
switch ((ch = *cp)) {
|
||
case '\0':
|
||
break;
|
||
case '-':
|
||
if (cp[1]) ++cp;
|
||
else if (*args) cp = *args++;
|
||
if (strspn(cp, numbs_str))
|
||
error_exit(fmtmk("inappropriate '%s'\nusage:\t%s%s", cp, Myname, usage_str));
|
||
continue;
|
||
case 'b':
|
||
Batch = 1;
|
||
break;
|
||
case 'c':
|
||
TOGw(Curwin, Show_CMDLIN);
|
||
break;
|
||
case 'd':
|
||
if (cp[1]) ++cp;
|
||
else if (*args) cp = *args++;
|
||
else error_exit("-d requires argument");
|
||
/* a negative delay will be dealt with shortly... */
|
||
if (1 != sscanf(cp, "%f", &tmp_delay))
|
||
error_exit(fmtmk("bad delay '%s'", cp));
|
||
break;
|
||
case 'H':
|
||
Thread_mode = 1;
|
||
break;
|
||
case 'h':
|
||
case 'v': case 'V':
|
||
fprintf(stdout, "\t%s\nusage:\t%s%s", procps_version, Myname, usage_str);
|
||
bye_bye(NULL);
|
||
case 'i':
|
||
TOGw(Curwin, Show_IDLEPS);
|
||
Curwin->rc.maxtasks = 0;
|
||
break;
|
||
case 'n':
|
||
if (cp[1]) cp++;
|
||
else if (*args) cp = *args++;
|
||
else error_exit("-n requires argument");
|
||
if (1 != sscanf(cp, "%d", &Loops) || 1 > Loops)
|
||
error_exit(fmtmk("bad iterations arg '%s'", cp));
|
||
break;
|
||
case 'p':
|
||
if (Curwin->usrseltyp) error_exit(sel_error);
|
||
do {
|
||
if (cp[1]) cp++;
|
||
else if (*args) cp = *args++;
|
||
else error_exit("-p argument missing");
|
||
if (Monpidsidx >= MONPIDMAX)
|
||
error_exit(fmtmk("pid limit (%d) exceeded", MONPIDMAX));
|
||
if (1 != sscanf(cp, "%d", &Monpids[Monpidsidx])
|
||
|| 0 > Monpids[Monpidsidx])
|
||
error_exit(fmtmk("bad pid '%s'", cp));
|
||
if (!Monpids[Monpidsidx])
|
||
Monpids[Monpidsidx] = getpid();
|
||
Monpidsidx++;
|
||
if (!(p = strchr(cp, ',')))
|
||
break;
|
||
cp = p;
|
||
} while (*cp);
|
||
break;
|
||
case 's':
|
||
Secure_mode = 1;
|
||
break;
|
||
case 'S':
|
||
TOGw(Curwin, Show_CTIMES);
|
||
break;
|
||
case 'u':
|
||
case 'U':
|
||
{ const char *errmsg;
|
||
if (Monpidsidx || Curwin->usrseltyp) error_exit(sel_error);
|
||
if (cp[1]) cp++;
|
||
else if (*args) cp = *args++;
|
||
else error_exit(fmtmk("-%c missing name", ch));
|
||
if ((errmsg = user_certify(Curwin, cp, ch))) error_exit(errmsg);
|
||
cp += strlen(cp);
|
||
break;
|
||
}
|
||
case 'w':
|
||
{ const char *pn = NULL;
|
||
int ai = 0, ci = 0;
|
||
Width_mode = -1;
|
||
if (cp[1]) pn = &cp[1];
|
||
else if (*args) { pn = *args; ai = 1; }
|
||
if (pn && !(ci = strspn(pn, "0123456789"))) { ai = 0; pn = NULL; }
|
||
if (pn && (1 != sscanf(pn, "%d", &Width_mode)
|
||
|| Width_mode < W_MIN_COL))
|
||
error_exit(fmtmk("bad width arg '%s', must > %d", pn, W_MIN_COL-1));
|
||
cp++;
|
||
args += ai;
|
||
if (pn) cp = pn + ci;
|
||
continue;
|
||
}
|
||
default :
|
||
error_exit(fmtmk("unknown option '%c'\nusage:\t%s%s", *cp, Myname, usage_str));
|
||
|
||
} // end: switch (*cp)
|
||
|
||
// advance cp and jump over any numerical args used above
|
||
if (*cp) cp += strspn(&cp[1], numbs_str) + 1;
|
||
|
||
} // end: while (*cp)
|
||
} // end: while (*args)
|
||
|
||
// fixup delay time, maybe...
|
||
if (MAXFLOAT > tmp_delay) {
|
||
if (Secure_mode)
|
||
error_exit("-d disallowed in \"secure\" mode");
|
||
if (0 > tmp_delay)
|
||
error_exit("-d requires positive argument");
|
||
Rc.delay_time = tmp_delay;
|
||
}
|
||
} // end: parse_args
|
||
|
||
|
||
/*
|
||
* Set up the terminal attributes */
|
||
static void whack_terminal (void) {
|
||
static char dummy[] = "dumb";
|
||
struct termios tmptty;
|
||
|
||
// the curses part...
|
||
if (Batch) {
|
||
setupterm(dummy, STDOUT_FILENO, NULL);
|
||
return;
|
||
}
|
||
#ifdef PRETENDNOCAP
|
||
setupterm(dummy, STDOUT_FILENO, NULL);
|
||
#else
|
||
setupterm(NULL, STDOUT_FILENO, NULL);
|
||
#endif
|
||
// our part...
|
||
if (-1 == tcgetattr(STDIN_FILENO, &Tty_original))
|
||
error_exit("failed tty get");
|
||
// ok, haven't really changed anything but we do have our snapshot
|
||
Ttychanged = 1;
|
||
|
||
// first, a consistent canonical mode for interactive line input
|
||
tmptty = Tty_original;
|
||
tmptty.c_lflag |= (ECHO | ECHOCTL | ECHOE | ICANON | ISIG);
|
||
tmptty.c_lflag &= ~NOFLSH;
|
||
tmptty.c_oflag &= ~TAB3;
|
||
tmptty.c_iflag |= BRKINT;
|
||
tmptty.c_iflag &= ~IGNBRK;
|
||
if (key_backspace && 1 == strlen(key_backspace))
|
||
tmptty.c_cc[VERASE] = *key_backspace;
|
||
#ifdef TERMIOS_ONLY
|
||
if (-1 == tcsetattr(STDIN_FILENO, TCSAFLUSH, &tmptty))
|
||
error_exit(fmtmk("failed Tty_tweaked set: %s", strerror(errno)));
|
||
tcgetattr(STDIN_FILENO, &Tty_tweaked);
|
||
#endif
|
||
// lastly, a nearly raw mode for unsolicited single keystrokes
|
||
tmptty.c_lflag &= ~(ECHO | ECHOCTL | ECHOE | ICANON);
|
||
tmptty.c_cc[VMIN] = 1;
|
||
tmptty.c_cc[VTIME] = 0;
|
||
if (-1 == tcsetattr(STDIN_FILENO, TCSAFLUSH, &tmptty))
|
||
error_exit(fmtmk("failed Tty_raw set: %s", strerror(errno)));
|
||
tcgetattr(STDIN_FILENO, &Tty_raw);
|
||
|
||
#ifndef OFF_STDIOLBF
|
||
// thanks anyway stdio, but we'll manage buffering at the frame level...
|
||
setbuffer(stdout, Stdout_buf, sizeof(Stdout_buf));
|
||
#endif
|
||
|
||
// and don't forget to ask keyin to initialize his tinfo_tab
|
||
keyin(1);
|
||
} // end: whack_terminal
|
||
|
||
/*###### Windows/Field Groups support #################################*/
|
||
|
||
/*
|
||
* Value a window's name and make the associated group name. */
|
||
static void win_names (WIN_t *q, const char *name) {
|
||
/* note: sprintf/snprintf results are "undefined" when src==dst,
|
||
according to C99 & POSIX.1-2001 (thanks adc) */
|
||
if (q->rc.winname != name)
|
||
snprintf(q->rc.winname, sizeof(q->rc.winname), "%s", name);
|
||
snprintf(q->grpname, sizeof(q->grpname), "%d:%s", q->winnum, name);
|
||
} // end: win_names
|
||
|
||
|
||
/*
|
||
* Display a window/field group (ie. make it "current"). */
|
||
static WIN_t *win_select (char ch) {
|
||
static const char prompt[] = "Choose field group (1 - 4)";
|
||
WIN_t *w = Curwin; // avoid gcc bloat with a local copy
|
||
|
||
/* if there's no ch, it means we're supporting the external interface,
|
||
so we must try to get our own darn ch by begging the user... */
|
||
if (!ch) {
|
||
show_pmt(prompt);
|
||
if (1 > chin(0, (char *)&ch, 1)) return Curwin;
|
||
}
|
||
switch (ch) {
|
||
case 'a': // we don't carry 'a' / 'w' in our
|
||
w = w->next; // pmt - they're here for a good
|
||
break; // friend of ours -- wins_colors.
|
||
case 'w': // (however those letters work via
|
||
w = w->prev; // the pmt too but gee, end-loser
|
||
break; // should just press the darn key)
|
||
case '1' ... '4':
|
||
w = &Winstk[ch - '1'];
|
||
break;
|
||
default: // keep gcc happy
|
||
break;
|
||
}
|
||
return Curwin = w;
|
||
} // end: win_select
|
||
|
||
|
||
/*
|
||
* Just warn the user when a command can't be honored. */
|
||
static int win_warn (int what) {
|
||
switch (what) {
|
||
case Warn_ALT:
|
||
show_msg("\aCommand disabled, 'A' mode required");
|
||
break;
|
||
case Warn_VIZ:
|
||
show_msg(fmtmk("\aCommand disabled, activate %s with '-' or '_'"
|
||
, Curwin->grpname));
|
||
break;
|
||
default: // keep gcc happy
|
||
break;
|
||
}
|
||
/* we gotta' return false 'cause we're somewhat well known within
|
||
macro society, by way of that sassy little tertiary operator... */
|
||
return 0;
|
||
} // end: win_warn
|
||
|
||
|
||
/*
|
||
* Change colors *Helper* function to save/restore settings;
|
||
* ensure colors will show; and rebuild the terminfo strings. */
|
||
static void winsclrhlp (WIN_t *q, int save) {
|
||
static int flgssav, summsav, msgssav, headsav, tasksav;
|
||
|
||
if (save) {
|
||
flgssav = q->rc.winflags; summsav = q->rc.summclr;
|
||
msgssav = q->rc.msgsclr; headsav = q->rc.headclr; tasksav = q->rc.taskclr;
|
||
SETw(q, Show_COLORS);
|
||
} else {
|
||
q->rc.winflags = flgssav; q->rc.summclr = summsav;
|
||
q->rc.msgsclr = msgssav; q->rc.headclr = headsav; q->rc.taskclr = tasksav;
|
||
}
|
||
capsmk(q);
|
||
} // end: winsclrhlp
|
||
|
||
|
||
/*
|
||
* Change colors used in display */
|
||
static void wins_colors (void) {
|
||
#define kbdABORT 'q'
|
||
#define kbdAPPLY kbd_ENTER
|
||
WIN_t *w = Curwin; // avoid gcc bloat with a local copy
|
||
int clr = w->rc.taskclr, *pclr = &w->rc.taskclr;
|
||
char ch, tgt = 'T';
|
||
|
||
if (0 >= max_colors) {
|
||
show_msg("\aNo colors to map!");
|
||
return;
|
||
}
|
||
winsclrhlp(w, 1);
|
||
putp(Cap_clr_scr);
|
||
putp(Cap_curs_huge);
|
||
|
||
do {
|
||
putp(Cap_home);
|
||
// this string is well above ISO C89's minimum requirements!
|
||
show_special(1, fmtmk(COLOR_help
|
||
, procps_version, w->grpname
|
||
, CHKw(w, View_NOBOLD) ? "On" : "Off"
|
||
, CHKw(w, Show_COLORS) ? "On" : "Off"
|
||
, CHKw(w, Show_HIBOLD) ? "On" : "Off"
|
||
, tgt, clr, w->grpname));
|
||
if (1 > chin(0, &ch, 1)) break;
|
||
switch (ch) {
|
||
case 'S':
|
||
pclr = &w->rc.summclr;
|
||
clr = *pclr;
|
||
tgt = ch;
|
||
break;
|
||
case 'M':
|
||
pclr = &w->rc.msgsclr;
|
||
clr = *pclr;
|
||
tgt = ch;
|
||
break;
|
||
case 'H':
|
||
pclr = &w->rc.headclr;
|
||
clr = *pclr;
|
||
tgt = ch;
|
||
break;
|
||
case 'T':
|
||
pclr = &w->rc.taskclr;
|
||
clr = *pclr;
|
||
tgt = ch;
|
||
break;
|
||
case '0' ... '7':
|
||
clr = ch - '0';
|
||
*pclr = clr;
|
||
break;
|
||
case 'B':
|
||
TOGw(w, View_NOBOLD);
|
||
break;
|
||
case 'b':
|
||
TOGw(w, Show_HIBOLD);
|
||
break;
|
||
case 'z':
|
||
TOGw(w, Show_COLORS);
|
||
break;
|
||
case 'a':
|
||
case 'w':
|
||
winsclrhlp((w = win_select(ch)), 1);
|
||
clr = w->rc.taskclr, pclr = &w->rc.taskclr;
|
||
tgt = 'T';
|
||
break;
|
||
default: // keep gcc happy
|
||
break;
|
||
}
|
||
capsmk(w);
|
||
} while (kbdAPPLY != ch && kbdABORT != ch);
|
||
|
||
if (kbdABORT == ch) winsclrhlp(w, 0);
|
||
putp(Cap_curs_norm);
|
||
#undef kbdABORT
|
||
#undef kbdAPPLY
|
||
} // end: wins_colors
|
||
|
||
|
||
/*
|
||
* Manipulate flag(s) for all our windows. */
|
||
static void wins_reflag (int what, int flg) {
|
||
WIN_t *w = Curwin; // avoid gcc bloat with a local copy
|
||
|
||
do {
|
||
switch (what) {
|
||
case Flags_TOG:
|
||
TOGw(w, flg);
|
||
break;
|
||
case Flags_SET: // Ummmm, i can't find anybody
|
||
SETw(w, flg); // who uses Flags_set ...
|
||
break;
|
||
case Flags_OFF:
|
||
OFFw(w, flg);
|
||
break;
|
||
default: // keep gcc happy
|
||
break;
|
||
}
|
||
/* a flag with special significance -- user wants to rebalance
|
||
display so we gotta' off some stuff then force on two flags... */
|
||
if (EQUWINS_xxx == flg) {
|
||
w->rc.maxtasks = w->usrseltyp = w->begpflg = w->begtask = 0;
|
||
Monpidsidx = 0;
|
||
SETw(w, Show_IDLEPS | Show_TASKON);
|
||
}
|
||
w = w->next;
|
||
} while (w != Curwin);
|
||
} // end: wins_reflag
|
||
|
||
|
||
/*
|
||
* Set up the raw/incomplete field group windows --
|
||
* they'll be finished off after startup completes.
|
||
* [ and very likely that will override most/all of our efforts ]
|
||
* [ --- life-is-NOT-fair --- ] */
|
||
static void wins_stage_1 (void) {
|
||
WIN_t *w;
|
||
int i;
|
||
|
||
for (i = 0; i < GROUPSMAX; i++) {
|
||
w = &Winstk[i];
|
||
w->winnum = i + 1;
|
||
w->rc = Rc.win[i];
|
||
w->captab[0] = Cap_norm;
|
||
w->captab[1] = Cap_norm;
|
||
w->captab[2] = w->cap_bold;
|
||
w->captab[3] = w->capclr_sum;
|
||
w->captab[4] = w->capclr_msg;
|
||
w->captab[5] = w->capclr_pmt;
|
||
w->captab[6] = w->capclr_hdr;
|
||
w->captab[7] = w->capclr_rowhigh;
|
||
w->captab[8] = w->capclr_rownorm;
|
||
w->next = w + 1;
|
||
w->prev = w - 1;
|
||
++w;
|
||
}
|
||
|
||
// fixup the circular chains...
|
||
Winstk[GROUPSMAX - 1].next = &Winstk[0];
|
||
Winstk[0].prev = &Winstk[GROUPSMAX - 1];
|
||
Curwin = Winstk;
|
||
} // end: wins_stage_1
|
||
|
||
|
||
/*
|
||
* This guy just completes the field group windows after the
|
||
* rcfiles have been read and command line arguments parsed */
|
||
static void wins_stage_2 (void) {
|
||
int i;
|
||
|
||
for (i = 0; i < GROUPSMAX; i++) {
|
||
win_names(&Winstk[i], Winstk[i].rc.winname);
|
||
capsmk(&Winstk[i]);
|
||
}
|
||
if (Batch)
|
||
OFFw(Curwin, View_SCROLL);
|
||
// this guy will build each window's columnhdr
|
||
calibrate_fields();
|
||
} // end: wins_stage_2
|
||
|
||
/*###### Interactive Input support (do_key helpers) ####################*/
|
||
|
||
/*
|
||
* These routines exist just to keep the do_key() function
|
||
* a reasonably modest size. */
|
||
|
||
static void file_writerc (void) {
|
||
FILE *fp;
|
||
int i;
|
||
|
||
if (!(fp = fopen(Rc_name, "w"))) {
|
||
show_msg(fmtmk("\aFailed '%s' open: %s", Rc_name, strerror(errno)));
|
||
return;
|
||
}
|
||
fprintf(fp, "%s's " RCF_EYECATCHER, Myname);
|
||
fprintf(fp, "Id:%c, Mode_altscr=%d, Mode_irixps=%d, Delay_time=%.3f, Curwin=%d\n"
|
||
, RCF_VERSION_ID
|
||
, Rc.mode_altscr, Rc.mode_irixps, Rc.delay_time, (int)(Curwin - Winstk));
|
||
|
||
for (i = 0 ; i < GROUPSMAX; i++) {
|
||
fprintf(fp, "%s\tfieldscur=%s\n"
|
||
, Winstk[i].rc.winname, Winstk[i].rc.fieldscur);
|
||
fprintf(fp, "\twinflags=%d, sortindx=%d, maxtasks=%d\n"
|
||
, Winstk[i].rc.winflags, Winstk[i].rc.sortindx
|
||
, Winstk[i].rc.maxtasks);
|
||
fprintf(fp, "\tsummclr=%d, msgsclr=%d, headclr=%d, taskclr=%d\n"
|
||
, Winstk[i].rc.summclr, Winstk[i].rc.msgsclr
|
||
, Winstk[i].rc.headclr, Winstk[i].rc.taskclr);
|
||
}
|
||
fclose(fp);
|
||
show_msg(fmtmk("Wrote configuration to '%s'", Rc_name));
|
||
} // end: file_writerc
|
||
|
||
|
||
static void help_view (void) {
|
||
WIN_t *w = Curwin; // avoid gcc bloat with a local copy
|
||
char ch;
|
||
|
||
putp(Cap_clr_scr);
|
||
putp(Cap_curs_huge);
|
||
|
||
// this string is well above ISO C89's minimum requirements!
|
||
show_special(1, fmtmk(KEYS_help
|
||
, procps_version
|
||
, w->grpname
|
||
, CHKw(w, Show_CTIMES) ? "On" : "Off"
|
||
, Rc.delay_time
|
||
, Secure_mode ? "On" : "Off"
|
||
, Secure_mode ? "" : KEYS_help_unsecured));
|
||
|
||
if (0 < chin(0, &ch, 1)
|
||
&& ('?' == ch || 'h' == ch || 'H' == ch)) {
|
||
do {
|
||
putp(Cap_clr_scr);
|
||
show_special(1, fmtmk(WINDOWS_help
|
||
, w->grpname
|
||
, Winstk[0].rc.winname, Winstk[1].rc.winname
|
||
, Winstk[2].rc.winname, Winstk[3].rc.winname));
|
||
if (1 > chin(0, &ch, 1)) break;
|
||
w = win_select(ch);
|
||
} while (kbd_ENTER != ch);
|
||
}
|
||
|
||
putp(Cap_curs_norm);
|
||
} // end: help_view
|
||
|
||
|
||
static void keys_global (int ch) {
|
||
// standardized error message(s)
|
||
static const char err_secure[] = "\aUnavailable in secure mode";
|
||
static const char err_notsmp[] = "\aOnly 1 cpu detected";
|
||
WIN_t *w = Curwin; // avoid gcc bloat with a local copy
|
||
|
||
switch (ch) {
|
||
case 'B':
|
||
TOGw(w, View_NOBOLD);
|
||
capsmk(w);
|
||
break;
|
||
case 'd':
|
||
case 's':
|
||
if (Secure_mode)
|
||
show_msg(err_secure);
|
||
else {
|
||
float tmp =
|
||
get_float(fmtmk("Change delay from %.1f to", Rc.delay_time));
|
||
if (-1 < tmp) Rc.delay_time = tmp;
|
||
}
|
||
break;
|
||
case 'F':
|
||
case 'f':
|
||
fields_utility();
|
||
break;
|
||
case 'g':
|
||
win_select(0);
|
||
break;
|
||
case 'H':
|
||
Thread_mode = !Thread_mode;
|
||
show_msg(fmtmk("Show threads %s", Thread_mode ? "On" : "Off"));
|
||
zap_fieldstab();
|
||
break;
|
||
case 'I':
|
||
if (Cpu_tot > 1) {
|
||
Rc.mode_irixps = !Rc.mode_irixps;
|
||
show_msg(fmtmk("Irix mode %s", Rc.mode_irixps ? "On" : "Off"));
|
||
zap_fieldstab();
|
||
} else
|
||
show_msg(err_notsmp);
|
||
break;
|
||
case 'k':
|
||
if (Secure_mode) {
|
||
show_msg(err_secure);
|
||
} else {
|
||
int sig, pid;
|
||
if (-1 < (pid = get_int("pid to signal/kill"))) {
|
||
sig = signal_name_to_number(
|
||
linein(fmtmk("Send pid %d signal [%d/sigterm]", pid, SIGTERM)));
|
||
if (-1 == sig) sig = SIGTERM;
|
||
if (0 < sig && kill(pid, sig))
|
||
show_msg(fmtmk("\aFailed signal pid '%d' with '%d': %s"
|
||
, pid, sig, strerror(errno)));
|
||
}
|
||
}
|
||
break;
|
||
case 'r':
|
||
if (Secure_mode)
|
||
show_msg(err_secure);
|
||
else {
|
||
int val, pid;
|
||
if (-1 < (pid = get_int("PID to renice"))
|
||
&& INT_MIN < (val = get_int(fmtmk("Renice PID %d to value", pid))))
|
||
if (setpriority(PRIO_PROCESS, (unsigned)pid, val))
|
||
show_msg(fmtmk("\aFailed renice of PID %d to %d: %s"
|
||
, pid, val, strerror(errno)));
|
||
}
|
||
break;
|
||
case 'Z':
|
||
wins_colors();
|
||
break;
|
||
default: // keep gcc happy
|
||
break;
|
||
}
|
||
} // end: keys_global
|
||
|
||
|
||
static void keys_summary (int ch) {
|
||
WIN_t *w = Curwin; // avoid gcc bloat with a local copy
|
||
|
||
switch (ch) {
|
||
case '1':
|
||
TOGw(w, View_CPUSUM);
|
||
break;
|
||
case 'C':
|
||
VIZTOGw(w, View_SCROLL);
|
||
break;
|
||
case 'l':
|
||
TOGw(w, View_LOADAV);
|
||
break;
|
||
case 'm':
|
||
TOGw(w, View_MEMORY);
|
||
break;
|
||
case 't':
|
||
TOGw(w, View_STATES);
|
||
break;
|
||
default: // keep gcc happy
|
||
break;
|
||
}
|
||
} // end: keys_summary
|
||
|
||
|
||
static void keys_task (int ch) {
|
||
WIN_t *w = Curwin; // avoid gcc bloat with a local copy
|
||
|
||
switch (ch) {
|
||
case '#':
|
||
case 'n':
|
||
if (VIZCHKw(w)) {
|
||
int num = get_int(fmtmk("Maximum tasks = %d, change to (0 is unlimited)", w->rc.maxtasks));
|
||
if (INT_MIN < num) w->rc.maxtasks = num;
|
||
}
|
||
break;
|
||
case '<':
|
||
if (VIZCHKw(w)) {
|
||
FLG_t *p = w->procflgs + w->maxpflgs - 1;
|
||
while (p > w->procflgs && *p != w->rc.sortindx) --p;
|
||
if (*p == w->rc.sortindx) {
|
||
--p;
|
||
#ifndef USE_X_COLHDR
|
||
if (P_MAXPFLGS < *p) --p;
|
||
#endif
|
||
if (p >= w->procflgs) w->rc.sortindx = *p;
|
||
}
|
||
}
|
||
break;
|
||
case '>':
|
||
if (VIZCHKw(w)) {
|
||
FLG_t *p = w->procflgs + w->maxpflgs - 1;
|
||
while (p > w->procflgs && *p != w->rc.sortindx) --p;
|
||
if (*p == w->rc.sortindx) {
|
||
++p;
|
||
#ifndef USE_X_COLHDR
|
||
if (P_MAXPFLGS < *p) ++p;
|
||
#endif
|
||
if (p < w->procflgs + w->maxpflgs) w->rc.sortindx = *p;
|
||
}
|
||
}
|
||
break;
|
||
case 'b':
|
||
if (VIZCHKw(w)) {
|
||
#ifdef USE_X_COLHDR
|
||
if (!CHKw(w, Show_HIROWS))
|
||
#else
|
||
if (!CHKw(w, Show_HICOLS | Show_HIROWS))
|
||
#endif
|
||
show_msg("\aNothing to highlight!");
|
||
else {
|
||
TOGw(w, Show_HIBOLD);
|
||
capsmk(w);
|
||
}
|
||
}
|
||
break;
|
||
case 'c':
|
||
VIZTOGw(w, Show_CMDLIN);
|
||
break;
|
||
case 'i':
|
||
VIZTOGw(w, Show_IDLEPS);
|
||
break;
|
||
case 'R':
|
||
VIZTOGw(w, Qsrt_NORMAL);
|
||
break;
|
||
case 'S':
|
||
if (VIZCHKw(w)) {
|
||
TOGw(w, Show_CTIMES);
|
||
show_msg(fmtmk("Cumulative time %s", CHKw(w, Show_CTIMES) ? "On" : "Off"));
|
||
}
|
||
break;
|
||
case 'U':
|
||
case 'u':
|
||
if (VIZCHKw(w)) {
|
||
const char *errmsg;
|
||
if ((errmsg = user_certify(w, linein("Which user (blank for all)"), ch)))
|
||
show_msg(errmsg);
|
||
}
|
||
break;
|
||
case 'x':
|
||
if (VIZCHKw(w)) {
|
||
TOGw(w, Show_HICOLS);
|
||
capsmk(w);
|
||
}
|
||
break;
|
||
case 'y':
|
||
if (VIZCHKw(w)) {
|
||
TOGw(w, Show_HIROWS);
|
||
capsmk(w);
|
||
}
|
||
break;
|
||
case 'z':
|
||
if (VIZCHKw(w)) {
|
||
TOGw(w, Show_COLORS);
|
||
capsmk(w);
|
||
}
|
||
break;
|
||
default: // keep gcc happy
|
||
break;
|
||
}
|
||
} // end: keys_task
|
||
|
||
|
||
static void keys_window (int ch) {
|
||
WIN_t *w = Curwin; // avoid gcc bloat with a local copy
|
||
|
||
switch (ch) {
|
||
case '+':
|
||
if (ALTCHKw) wins_reflag(Flags_OFF, EQUWINS_xxx);
|
||
break;
|
||
case '-':
|
||
if (ALTCHKw) TOGw(w, Show_TASKON);
|
||
break;
|
||
case '=':
|
||
SETw(w, Show_IDLEPS | Show_TASKON);
|
||
w->rc.maxtasks = w->usrseltyp = w->begpflg = w->begtask = 0;
|
||
Monpidsidx = 0;
|
||
break;
|
||
case '_':
|
||
if (ALTCHKw) wins_reflag(Flags_TOG, Show_TASKON);
|
||
break;
|
||
case 'A':
|
||
Rc.mode_altscr = !Rc.mode_altscr;
|
||
break;
|
||
case 'a':
|
||
case 'w':
|
||
if (ALTCHKw) win_select(ch);
|
||
break;
|
||
case 'G':
|
||
if (ALTCHKw) {
|
||
char tmp[SMLBUFSIZ];
|
||
STRLCPY(tmp, linein(fmtmk("Rename window '%s' to (1-3 chars)", w->rc.winname)))
|
||
if (tmp[0]) win_names(w, tmp);
|
||
}
|
||
break;
|
||
case kbd_UP:
|
||
if (VIZCHKw(w)) if (0 < w->begtask) w->begtask -= 1;
|
||
break;
|
||
case kbd_DOWN:
|
||
if (VIZCHKw(w)) if (w->begtask < Frame_maxtask - 1) w->begtask += 1;
|
||
break;
|
||
#ifdef USE_X_COLHDR
|
||
case kbd_LEFT:
|
||
if (VIZCHKw(w)) if (0 < w->begpflg) w->begpflg -= 1;
|
||
break;
|
||
case kbd_RIGHT:
|
||
if (VIZCHKw(w)) if (w->begpflg + 1 < w->totpflgs) w->begpflg += 1;
|
||
break;
|
||
#else
|
||
case kbd_LEFT:
|
||
if (VIZCHKw(w)) if (0 < w->begpflg) {
|
||
w->begpflg -= 1;
|
||
if (P_MAXPFLGS < w->pflgsall[w->begpflg]) w->begpflg -= 2;
|
||
}
|
||
break;
|
||
case kbd_RIGHT:
|
||
if (VIZCHKw(w)) if (w->begpflg + 1 < w->totpflgs) {
|
||
if (P_MAXPFLGS < w->pflgsall[w->begpflg])
|
||
w->begpflg += (w->begpflg + 3 < w->totpflgs) ? 3 : 0;
|
||
else w->begpflg += 1;
|
||
}
|
||
break;
|
||
#endif
|
||
case kbd_PGUP:
|
||
if (VIZCHKw(w)) if (0 < w->begtask) {
|
||
w->begtask -= (w->winlines - 1);
|
||
if (0 > w->begtask) w->begtask = 0;
|
||
}
|
||
break;
|
||
case kbd_PGDN:
|
||
if (VIZCHKw(w)) if (w->begtask < Frame_maxtask - 1) {
|
||
w->begtask += (w->winlines - 1);
|
||
if (w->begtask > Frame_maxtask - 1) w->begtask = Frame_maxtask - 1;
|
||
if (0 > w->begtask) w->begtask = 0;
|
||
}
|
||
break;
|
||
case kbd_HOME:
|
||
if (VIZCHKw(w)) w->begtask = w->begpflg = 0;
|
||
break;
|
||
case kbd_END:
|
||
if (VIZCHKw(w)) {
|
||
w->begtask = (Frame_maxtask - w->winlines) + 1;
|
||
if (0 > w->begtask) w->begtask = 0;
|
||
w->begpflg = w->endpflg;
|
||
}
|
||
break;
|
||
default: // keep gcc happy
|
||
break;
|
||
}
|
||
} // end: keys_window
|
||
|
||
|
||
static void keys_xtra (int ch) {
|
||
// const char *xmsg;
|
||
WIN_t *w = Curwin; // avoid gcc bloat with a local copy
|
||
|
||
/* these keys represent old-top compatability --
|
||
they're grouped here so that if users could ever be weaned,
|
||
we would just whack do_key's key_tab entry and this function... */
|
||
switch (ch) {
|
||
case 'M':
|
||
w->rc.sortindx = P_MEM;
|
||
// xmsg = "Memory";
|
||
break;
|
||
case 'N':
|
||
w->rc.sortindx = P_PID;
|
||
// xmsg = "Numerical";
|
||
break;
|
||
case 'P':
|
||
w->rc.sortindx = P_CPU;
|
||
// xmsg = "CPU";
|
||
break;
|
||
case 'T':
|
||
w->rc.sortindx = P_TM2;
|
||
// xmsg = "Time";
|
||
break;
|
||
default: // keep gcc happy
|
||
break;
|
||
}
|
||
// some have objected to this message, so we'll just keep silent...
|
||
// show_msg(fmtmk("%s sort compatibility key honored", xtab[i].xmsg));
|
||
} // end: keys_xtra
|
||
|
||
/*###### Main Screen routines ##########################################*/
|
||
|
||
/*
|
||
* Process keyboard input during the main loop */
|
||
static void do_key (int ch) {
|
||
static struct {
|
||
void (*func)(int ch);
|
||
char keys[SMLBUFSIZ];
|
||
} key_tab[] = {
|
||
{ keys_global,
|
||
{ 'B', 'd', 'F', 'f', 'g', 'H', 'I', 'k', 'r', 's', 'Z' } },
|
||
{ keys_summary,
|
||
{ '1', 'C', 'l', 'm', 't' } },
|
||
{ keys_task,
|
||
{ '#', '<', '>', 'b', 'c', 'i', 'n', 'R', 'S'
|
||
, 'U', 'u', 'x', 'y', 'z' } },
|
||
{ keys_window,
|
||
{ '+', '-', '=', '_', 'A', 'a', 'G', 'w'
|
||
, kbd_UP, kbd_DOWN, kbd_LEFT, kbd_RIGHT, kbd_PGUP, kbd_PGDN
|
||
, kbd_HOME, kbd_END } },
|
||
{ keys_xtra,
|
||
{ 'M', 'N', 'P', 'T' } }
|
||
};
|
||
int i;
|
||
|
||
switch (ch) {
|
||
case 0: // ignored (always)
|
||
case kbd_ESC: // ignored (sometimes)
|
||
return;
|
||
case 'q': // no return from this guy
|
||
bye_bye(NULL);
|
||
case 'W': // no need for rebuilds
|
||
file_writerc();
|
||
return;
|
||
case '?': // might need rebuilds,
|
||
case 'h': // if curwin is changed
|
||
help_view();
|
||
break;
|
||
case kbd_ENTER: // these two will have the effect of waking us
|
||
case kbd_SPACE: // from 'select()', updating hotplugged resources
|
||
sysinfo_refresh(1); // and then refreshing the display
|
||
break;
|
||
default: // and now, the real work...
|
||
for (i = 0; i < MAXTBL(key_tab); ++i)
|
||
if (strchr(key_tab[i].keys, ch)) {
|
||
key_tab[i].func(ch);
|
||
break;
|
||
}
|
||
|
||
if (!(i < MAXTBL(key_tab))) {
|
||
show_msg("\aUnknown command - try 'h' for help");
|
||
return;
|
||
}
|
||
};
|
||
|
||
/* The following assignment will force a rebuild of all column headers and
|
||
the PROC_FILLxxx flags. It's NOT simply lazy programming. Here are
|
||
some keys that COULD require new column headers and/or libproc flags:
|
||
'A' - likely
|
||
'c' - likely when !Mode_altscr, maybe when Mode_altscr
|
||
'F' - likely
|
||
'f' - likely
|
||
'G' - likely
|
||
'Z' - likely, if 'Curwin' changed when !Mode_altscr
|
||
'-' - likely (restricted to Mode_altscr)
|
||
'_' - likely (restricted to Mode_altscr)
|
||
'=' - maybe, but only when Mode_altscr
|
||
'+' - likely (restricted to Mode_altscr)
|
||
PLUS, likely for FOUR of the EIGHT cursor motion keys (scrolled)
|
||
( At this point we have a human being involved and so have all the time )
|
||
( in the world. We can afford a few extra cpu cycles every now & then! )
|
||
*/
|
||
Frames_resize = 1;
|
||
} // end: do_key
|
||
|
||
|
||
/*
|
||
* State display *Helper* function to calc and display the state
|
||
* percentages for a single cpu. In this way, we can support
|
||
* the following environments without the usual code bloat.
|
||
* 1) single cpu machines
|
||
* 2) modest smp boxes with room for each cpu's percentages
|
||
* 3) massive smp guys leaving little or no room for process
|
||
* display and thus requiring the cpu summary toggle */
|
||
static void summaryhlp (CPU_t *cpu, const char *pfx) {
|
||
/* we'll trim to zero if we get negative time ticks,
|
||
which has happened with some SMP kernels (pre-2.4?) */
|
||
#define TRIMz(x) ((tz = (SIC_t)(x)) < 0 ? 0 : tz)
|
||
SIC_t u_frme, s_frme, n_frme, i_frme, w_frme, x_frme, y_frme, z_frme, tot_frme, tz;
|
||
float scale;
|
||
|
||
u_frme = cpu->u - cpu->u_sav;
|
||
s_frme = cpu->s - cpu->s_sav;
|
||
n_frme = cpu->n - cpu->n_sav;
|
||
i_frme = TRIMz(cpu->i - cpu->i_sav);
|
||
if ((u_frme == 0) && (i_frme == 0)) i_frme = 100;
|
||
w_frme = cpu->w - cpu->w_sav;
|
||
x_frme = cpu->x - cpu->x_sav;
|
||
y_frme = cpu->y - cpu->y_sav;
|
||
z_frme = cpu->z - cpu->z_sav;
|
||
tot_frme = u_frme + s_frme + n_frme + i_frme + w_frme + x_frme + y_frme + z_frme;
|
||
if (1 > tot_frme) tot_frme = 1;
|
||
scale = 100.0 / (float)tot_frme;
|
||
|
||
/* display some kinda' cpu state percentages
|
||
(who or what is explained by the passed prefix) */
|
||
show_special(0, fmtmk(Cpu_States_fmts, pfx
|
||
, (float)u_frme * scale, (float)s_frme * scale
|
||
, (float)n_frme * scale, (float)i_frme * scale
|
||
, (float)w_frme * scale, (float)x_frme * scale
|
||
, (float)y_frme * scale, (float)z_frme * scale));
|
||
|
||
// remember for next time around
|
||
cpu->u_sav = cpu->u;
|
||
cpu->s_sav = cpu->s;
|
||
cpu->n_sav = cpu->n;
|
||
cpu->i_sav = cpu->i;
|
||
cpu->w_sav = cpu->w;
|
||
cpu->x_sav = cpu->x;
|
||
cpu->y_sav = cpu->y;
|
||
cpu->z_sav = cpu->z;
|
||
#undef TRIMz
|
||
} // end: summaryhlp
|
||
|
||
|
||
/*
|
||
* Begin a new frame by:
|
||
* 1) Refreshing the all important proc table
|
||
* 2) Displaying uptime and load average (maybe)
|
||
* 3) Displaying task/cpu states (maybe)
|
||
* 4) Displaying memory & swap usage (maybe)
|
||
* and then, returning a pointer to the pointers to the proc_t's! */
|
||
static proc_t **summary_show (void) {
|
||
#define isROOM(f,n) (CHKw(w, f) && Msg_row + (n) < Screen_rows - 1)
|
||
#define anyFLG 0xffffff
|
||
static proc_t **p_table = NULL;
|
||
static CPU_t *smpcpu = NULL;
|
||
WIN_t *w = Curwin; // avoid gcc bloat with a local copy
|
||
|
||
// whoa first time, gotta' prime the pump...
|
||
if (!p_table) {
|
||
p_table = procs_refresh(NULL);
|
||
putp(Cap_clr_scr);
|
||
usleep(LIB_USLEEP);
|
||
} else
|
||
putp(Batch ? "\n\n" : Cap_home);
|
||
|
||
p_table = procs_refresh(p_table);
|
||
sysinfo_refresh(0);
|
||
|
||
// Display Uptime and Loadavg
|
||
if (isROOM(View_LOADAV, 1)) {
|
||
if (!Rc.mode_altscr)
|
||
show_special(0, fmtmk(LOADAV_line, Myname, sprint_uptime()));
|
||
else
|
||
show_special(0, fmtmk(CHKw(w, Show_TASKON)? LOADAV_line_alt : LOADAV_line
|
||
, w->grpname, sprint_uptime()));
|
||
Msg_row += 1;
|
||
}
|
||
|
||
// Display Task and Cpu(s) States
|
||
if (isROOM(View_STATES, 2)) {
|
||
show_special(0, fmtmk(STATES_line1
|
||
, Thread_mode ? "Threads" : "Tasks"
|
||
, Frame_maxtask, Frame_running, Frame_sleepin
|
||
, Frame_stopped, Frame_zombied));
|
||
Msg_row += 1;
|
||
|
||
smpcpu = cpus_refresh(smpcpu);
|
||
|
||
if (CHKw(w, View_CPUSUM)) {
|
||
// display just the 1st /proc/stat line
|
||
summaryhlp(&smpcpu[Cpu_tot], "Cpu(s):");
|
||
Msg_row += 1;
|
||
} else {
|
||
int i;
|
||
char tmp[MEDBUFSIZ];
|
||
// display each cpu's states separately, screen height permitting...
|
||
for (i = 0; i < Cpu_tot; i++) {
|
||
snprintf(tmp, sizeof(tmp), "Cpu%-3d:", smpcpu[i].id);
|
||
summaryhlp(&smpcpu[i], tmp);
|
||
Msg_row += 1;
|
||
if (!isROOM(anyFLG, 1)) break;
|
||
}
|
||
}
|
||
}
|
||
|
||
// Display Memory and Swap stats
|
||
if (isROOM(View_MEMORY, 2)) {
|
||
#define mkM(x) (unsigned long)(kb_main_ ## x >> shift)
|
||
#define mkS(x) (unsigned long)(kb_swap_ ## x >> shift)
|
||
const char *which = "Kb";
|
||
int shift = 0;
|
||
|
||
/*** hotplug_acclimated ***/
|
||
if (kb_main_total > 9999999) { which = "Mb"; shift = 10; }
|
||
if (kb_main_total > 9999999999) { which = "Gb"; shift = 20; }
|
||
|
||
show_special(0, fmtmk(MEMORY_twolines
|
||
, which, mkM(total), mkM(used), mkM(free), mkM(buffers)
|
||
, which, mkS(total), mkS(used), mkS(free), mkM(cached)));
|
||
Msg_row += 2;
|
||
#undef mkM
|
||
#undef mkS
|
||
}
|
||
|
||
return p_table;
|
||
#undef isROOM
|
||
#undef anyFLG
|
||
} // end: summary_show
|
||
|
||
|
||
/*
|
||
* Display information for a single task row. */
|
||
static void task_show (const WIN_t *q, const proc_t *p) {
|
||
#define makeCOL(va...) snprintf(cbuf, sizeof(cbuf), f, ## va)
|
||
#define makeVAR(v) { f = VARCOL_fmts; makeCOL(q->varcolsz, q->varcolsz, v); }
|
||
#define pages2K(n) (unsigned long)( (n) << Pg2K_shft )
|
||
char rbuf[ROWMINSIZ], *rp;
|
||
int j, x;
|
||
|
||
// we must begin a row with a possible window number in mind...
|
||
*(rp = rbuf) = '\0';
|
||
if (Rc.mode_altscr) rp = scat(rp, " ");
|
||
|
||
for (x = 0; x < q->maxpflgs; x++) {
|
||
char cbuf[SCREENMAX];
|
||
FLG_t i = q->procflgs[x]; // support for our field/column
|
||
const char *f = Fieldstab[i].fmts; // macro AND sometimes the fmt
|
||
int s = Fieldstab[i].scale; // string must be altered !
|
||
int w = Fieldstab[i].width;
|
||
|
||
switch (i) {
|
||
#ifndef USE_X_COLHDR
|
||
// these 2 aren't real procflgs, they're used in column highlighting!
|
||
case X_XON:
|
||
case X_XOF:
|
||
/* treat running tasks specially - entire row may get highlighted
|
||
so we needn't turn it on and we MUST NOT turn it off */
|
||
if (!('R' == p->state && CHKw(q, Show_HIROWS)))
|
||
rp = scat(rp, X_XON == i ? q->capclr_rowhigh : q->capclr_rownorm);
|
||
continue;
|
||
#endif
|
||
case P_CGR:
|
||
// our kernel may not support cgroups
|
||
makeVAR(p->cgroup ? *p->cgroup : "n/a");
|
||
break;
|
||
case P_CMD:
|
||
if (CHKw(q, Show_CMDLIN)) makeVAR(*p->cmdline)
|
||
else makeVAR(p->cmd);
|
||
break;
|
||
case P_COD:
|
||
makeCOL(scale_num(pages2K(p->trs), w, s));
|
||
break;
|
||
case P_CPN:
|
||
makeCOL(p->processor);
|
||
break;
|
||
case P_CPU:
|
||
{ float u = (float)p->pcpu * Frame_etscale;
|
||
if (u > Cpu_pmax) u = Cpu_pmax;
|
||
makeCOL(u);
|
||
}
|
||
break;
|
||
case P_DAT:
|
||
makeCOL(scale_num(pages2K(p->drs), w, s));
|
||
break;
|
||
case P_DRT:
|
||
makeCOL(scale_num((unsigned long)p->dt, w, s));
|
||
break;
|
||
case P_FLG:
|
||
{ char tmp[SMLBUFSIZ];
|
||
snprintf(tmp, sizeof(tmp), f, (long)p->flags);
|
||
for (j = 0; tmp[j]; j++) if ('0' == tmp[j]) tmp[j] = '.';
|
||
f = tmp;
|
||
makeCOL("");
|
||
}
|
||
break;
|
||
case P_FL1:
|
||
makeCOL(scale_num(p->maj_flt, w, s));
|
||
break;
|
||
case P_FL2:
|
||
makeCOL(scale_num(p->min_flt, w, s));
|
||
break;
|
||
case P_GID:
|
||
makeCOL(p->egid);
|
||
break;
|
||
case P_GRP:
|
||
makeCOL(p->egroup);
|
||
break;
|
||
case P_MEM:
|
||
makeCOL((float)pages2K(p->resident) * 100 / kb_main_total);
|
||
break;
|
||
case P_NCE:
|
||
makeCOL((int)p->nice);
|
||
break;
|
||
#ifdef OOMEM_ENABLE
|
||
case P_OOA:
|
||
makeCOL((int)p->oom_adj);
|
||
break;
|
||
case P_OOM:
|
||
makeCOL((long)p->oom_score);
|
||
break;
|
||
#endif
|
||
case P_PGD:
|
||
makeCOL(p->pgrp);
|
||
break;
|
||
case P_PID:
|
||
makeCOL(p->tid);
|
||
break;
|
||
case P_PPD:
|
||
makeCOL(p->ppid);
|
||
break;
|
||
case P_PRI:
|
||
if (-99 > p->priority || 999 < p->priority) {
|
||
f = " rt ";
|
||
makeCOL("");
|
||
} else
|
||
makeCOL((int)p->priority);
|
||
break;
|
||
case P_RES:
|
||
makeCOL(scale_num(pages2K(p->resident), w, s));
|
||
break;
|
||
case P_SGD:
|
||
makeVAR(p->supgid ? p->supgid : "n/a");
|
||
break;
|
||
case P_SGN:
|
||
makeVAR(p->supgrp ? p->supgrp : "n/a");
|
||
break;
|
||
case P_SHR:
|
||
makeCOL(scale_num(pages2K(p->share), w, s));
|
||
break;
|
||
case P_SID:
|
||
makeCOL(p->session);
|
||
break;
|
||
case P_STA:
|
||
makeCOL(p->state);
|
||
break;
|
||
case P_SWP:
|
||
makeCOL(scale_num(p->vm_swap, w, s));
|
||
break;
|
||
case P_THD:
|
||
makeCOL(p->nlwp);
|
||
break;
|
||
case P_TME:
|
||
case P_TM2:
|
||
{ TIC_t t = p->utime + p->stime;
|
||
if (CHKw(q, Show_CTIMES)) t += (p->cutime + p->cstime);
|
||
makeCOL(scale_tics(t, w));
|
||
}
|
||
break;
|
||
case P_TPG:
|
||
makeCOL(p->tpgid);
|
||
break;
|
||
case P_TTY:
|
||
{ char tmp[SMLBUFSIZ];
|
||
dev_to_tty(tmp, w, p->tty, p->tid, ABBREV_DEV);
|
||
makeCOL(tmp);
|
||
}
|
||
break;
|
||
case P_UED:
|
||
makeCOL(p->euid);
|
||
break;
|
||
case P_UEN:
|
||
makeCOL(p->euser);
|
||
break;
|
||
case P_URD:
|
||
makeCOL(p->ruid);
|
||
break;
|
||
case P_URN:
|
||
makeCOL(p->ruser);
|
||
break;
|
||
case P_USD:
|
||
makeCOL(p->suid);
|
||
break;
|
||
case P_USN:
|
||
makeCOL(p->suser);
|
||
break;
|
||
case P_VRT:
|
||
makeCOL(scale_num(pages2K(p->size), w, s));
|
||
break;
|
||
case P_WCH:
|
||
if (No_ksyms) {
|
||
#ifdef CASEUP_HEXES
|
||
makeVAR(fmtmk("%08" KLF "X", p->wchan))
|
||
#else
|
||
makeVAR(fmtmk("%08" KLF "x", p->wchan))
|
||
#endif
|
||
} else
|
||
makeVAR(lookup_wchan(p->wchan, p->tid))
|
||
break;
|
||
default: // keep gcc happy
|
||
break;
|
||
|
||
} // end: switch 'procflag'
|
||
|
||
rp = scat(rp, cbuf);
|
||
} // end: for 'maxpflgs'
|
||
|
||
PUFF("\n%s%s%s", (CHKw(q, Show_HIROWS) && 'R' == p->state)
|
||
? q->capclr_rowhigh : q->capclr_rownorm
|
||
, rbuf
|
||
, q->eolcap);
|
||
#undef makeCOL
|
||
#undef makeVAR
|
||
#undef pages2K
|
||
} // end: task_show
|
||
|
||
|
||
/*
|
||
* Squeeze as many tasks as we can into a single window,
|
||
* after sorting the passed proc table. */
|
||
static int window_show (proc_t **ppt, WIN_t *q, int wmax) {
|
||
/* the isBUSY macro determines if a task is 'active' --
|
||
it returns true if some cpu was used since the last sample.
|
||
( actual 'running' tasks will be a subset of those selected ) */
|
||
#define isBUSY(x) (0 < x->pcpu)
|
||
#define winMIN(a,b) ((a < b) ? a : b)
|
||
int i, lwin;
|
||
|
||
// Display Column Headings -- and distract 'em while we sort (maybe)
|
||
PUFF("\n%s%s%s", q->capclr_hdr, q->columnhdr, q->eolcap);
|
||
|
||
if (CHKw(q, Qsrt_NORMAL)) Frame_srtflg = 1; // this one's always needed!
|
||
else Frame_srtflg = -1;
|
||
Frame_ctimes = CHKw(q, Show_CTIMES); // this and next, only maybe
|
||
Frame_cmdlin = CHKw(q, Show_CMDLIN);
|
||
qsort(ppt, Frame_maxtask, sizeof(proc_t *), Fieldstab[q->rc.sortindx].sort);
|
||
|
||
i = q->begtask;
|
||
if (i >= Frame_maxtask) i = q->begtask = Frame_maxtask - 1;
|
||
lwin = 1; // 1 for the ol' column header
|
||
wmax = winMIN(wmax, q->winlines+1); // ditto for winlines, too
|
||
|
||
/* the least likely scenario is also the most costly, so we'll try to avoid
|
||
checking some stuff with each iteration and check it just once... */
|
||
if (CHKw(q, Show_IDLEPS) && !q->usrseltyp)
|
||
while (-1 != ppt[i]->tid && lwin < wmax) {
|
||
task_show(q, ppt[i++]);
|
||
++lwin;
|
||
}
|
||
else
|
||
while (-1 != ppt[i]->tid && lwin < wmax) {
|
||
if ((CHKw(q, Show_IDLEPS) || isBUSY(ppt[i]))
|
||
&& user_matched(q, ppt[i])) {
|
||
task_show(q, ppt[i]);
|
||
++lwin;
|
||
}
|
||
++i;
|
||
}
|
||
|
||
return lwin;
|
||
#undef winMIN
|
||
#undef isBUSY
|
||
} // end: window_show
|
||
|
||
/*###### Entry point plus two ##########################################*/
|
||
|
||
/*
|
||
* This guy's just a *Helper* function who apportions the
|
||
* remaining amount of screen real estate under multiple windows */
|
||
static void framehlp (int wix, int max) {
|
||
int i, rsvd, size, wins;
|
||
|
||
// calc remaining number of visible windows + total 'user' lines
|
||
for (i = wix, rsvd = 0, wins = 0; i < GROUPSMAX; i++) {
|
||
if (CHKw(&Winstk[i], Show_TASKON)) {
|
||
rsvd += Winstk[i].rc.maxtasks;
|
||
++wins;
|
||
if (max <= rsvd) break;
|
||
}
|
||
}
|
||
if (!wins) wins = 1;
|
||
// set aside 'rsvd' & deduct 1 line/window for the columns heading
|
||
size = (max - wins) - rsvd;
|
||
if (0 <= size) size = max;
|
||
size = (max - wins) / wins;
|
||
|
||
/* for subject window, set WIN_t winlines to either the user's
|
||
maxtask (1st choice) or our 'foxized' size calculation
|
||
(foxized adj. - 'fair and balanced') */
|
||
Winstk[wix].winlines =
|
||
Winstk[wix].rc.maxtasks ? Winstk[wix].rc.maxtasks : size;
|
||
} // end: framehlp
|
||
|
||
|
||
/*
|
||
* Initiate the Frame Display Update cycle at someone's whim!
|
||
* This routine doesn't do much, mostly he just calls others.
|
||
*
|
||
* (Whoa, wait a minute, we DO caretake those row guys, plus)
|
||
* (we CALCULATE that IMPORTANT Max_lines thingy so that the)
|
||
* (*subordinate* functions invoked know WHEN the user's had)
|
||
* (ENOUGH already. And at Frame End, it SHOULD be apparent)
|
||
* (WE am d'MAN -- clearing UNUSED screen LINES and ensuring)
|
||
* (the CURSOR is STUCK in just the RIGHT place, know what I)
|
||
* (mean? Huh, "doesn't DO MUCH"! Never, EVER think or say)
|
||
* (THAT about THIS function again, Ok? Good that's better.)
|
||
*
|
||
* (ps. we ARE the UNEQUALED justification KING of COMMENTS!)
|
||
* (No, I don't mean significance/relevance, only alignment.)
|
||
*/
|
||
static void frame_make (void) {
|
||
WIN_t *w = Curwin; // avoid gcc bloat with a local copy
|
||
proc_t **ppt;
|
||
int i, scrlins;
|
||
|
||
// deal with potential signals since the last time around...
|
||
if (Frames_endpgm) bye_bye(NULL);
|
||
if (Frames_paused) pause_pgm();
|
||
if (Frames_resize) calibrate_fields();
|
||
|
||
putp(Cap_curs_hide);
|
||
Pseudo_row = Msg_row = scrlins = 0;
|
||
ppt = summary_show();
|
||
Max_lines = (Screen_rows - Msg_row) - 1;
|
||
|
||
if (!Rc.mode_altscr) {
|
||
// only 1 window to show so, piece o' cake
|
||
w->winlines = w->rc.maxtasks ? w->rc.maxtasks : Max_lines;
|
||
scrlins = window_show(ppt, w, Max_lines);
|
||
} else {
|
||
// maybe NO window is visible but assume, pieces o' cakes
|
||
for (i = 0 ; i < GROUPSMAX; i++) {
|
||
if (CHKw(&Winstk[i], Show_TASKON)) {
|
||
framehlp(i, Max_lines - scrlins);
|
||
scrlins += window_show(ppt, &Winstk[i], Max_lines - scrlins);
|
||
}
|
||
if (Max_lines <= scrlins) break;
|
||
}
|
||
}
|
||
|
||
/* clear to end-of-screen (critical if last window is 'idleps off'),
|
||
then put the cursor in-its-place, and rid us of any prior frame's msg
|
||
(main loop must iterate such that we're always called before sleep) */
|
||
if (scrlins < Max_lines) {
|
||
putp(Cap_nl_clreos);
|
||
PSU_CLREOS(Pseudo_row);
|
||
}
|
||
if (VIZISw(w) && CHKw(w, View_SCROLL)) show_scroll();
|
||
else PUTT("%s%s", tg2(0, Msg_row), Cap_clr_eol);
|
||
putp(Cap_curs_norm);
|
||
fflush(stdout);
|
||
|
||
/* we'll deem any terminal not supporting tgoto as dumb and disable
|
||
the normal non-interactive output optimization... */
|
||
if (!Cap_can_goto) PSU_CLREOS(0);
|
||
} // end: frame_make
|
||
|
||
|
||
/*
|
||
* duh... */
|
||
int main (int dont_care_argc, char **argv) {
|
||
struct sigaction sa;
|
||
(void)dont_care_argc;
|
||
before(*argv);
|
||
// +-------------+
|
||
wins_stage_1(); // top (sic) slice
|
||
configs_read(); // > spread etc, <
|
||
parse_args(&argv[1]); // > lean stuff, <
|
||
whack_terminal(); // > onions etc. <
|
||
wins_stage_2(); // as bottom slice
|
||
// +-------------+
|
||
sigemptyset(&sa.sa_mask);
|
||
sa.sa_flags = SA_RESTART;
|
||
sa.sa_handler = sig_endpgm;
|
||
sigaction(SIGALRM, &sa, NULL);
|
||
if (!Batch) sigaction(SIGHUP, &sa, NULL);
|
||
sigaction(SIGINT, &sa, NULL);
|
||
sigaction(SIGPIPE, &sa, NULL);
|
||
sigaction(SIGQUIT, &sa, NULL);
|
||
sigaction(SIGTERM, &sa, NULL);
|
||
sa.sa_handler = sig_paused;
|
||
sigaction(SIGTSTP, &sa, NULL);
|
||
sigaction(SIGTTIN, &sa, NULL);
|
||
sigaction(SIGTTOU, &sa, NULL);
|
||
sa.sa_handler = sig_resize;
|
||
sigaction(SIGCONT, &sa, NULL);
|
||
sigaction(SIGWINCH, &sa, NULL);
|
||
|
||
for (;;) {
|
||
struct timeval tv;
|
||
|
||
frame_make();
|
||
|
||
if (Msg_awaiting) show_msg(Msg_delayed);
|
||
if (0 < Loops) --Loops;
|
||
if (!Loops) bye_bye(NULL);
|
||
|
||
tv.tv_sec = Rc.delay_time;
|
||
tv.tv_usec = (Rc.delay_time - (int)Rc.delay_time) * 1000000;
|
||
|
||
if (Batch)
|
||
select(0, NULL, NULL, NULL, &tv);
|
||
else {
|
||
fd_set fs;
|
||
|
||
FD_ZERO(&fs);
|
||
FD_SET(STDIN_FILENO, &fs);
|
||
if (0 < select(STDIN_FILENO + 1, &fs, NULL, NULL, &tv))
|
||
do_key(keyin(0));
|
||
/* note: above select might have been interrupted by some signal
|
||
in which case the return code would have been -1 and an
|
||
integer (volatile) switch set. that in turn will cause
|
||
frame_make() to deal with it as its first responsiblity
|
||
*/
|
||
}
|
||
}
|
||
return 0;
|
||
} // end: main
|