/*
* Copyright 1998 by Albert Cahalan; all rights resered.
* 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.
*/
#ifndef PROCPS_PS_H
#define PROCPS_PS_H
#include "../proc/readproc.h"
#include <asm/page.h> /* looks safe for glibc, we need PAGE_SIZE */
#if 0
#define trace(args...) printf(## args)
#else
#define trace(args...)
#endif
/***************** GENERAL DEFINE ********************/
/* selection list */
#define SEL_RUID 1
#define SEL_EUID 2
#define SEL_SUID 3
#define SEL_FUID 4
#define SEL_RGID 5
#define SEL_EGID 6
#define SEL_SGID 7
#define SEL_FGID 8
#define SEL_PGRP 9
#define SEL_PID 10
#define SEL_TTY 11
#define SEL_SESS 12
#define SEL_COMM 13
/* Since an enum could be smashed by a #define, it would be bad. */
#define U98 0 /* Unix98 standard */ /* This must be 0 */
#define XXX 1 /* Common extension */
#define DEC 2 /* Digital Unix */
#define AIX 3 /* AIX */
#define SCO 4 /* SCO */
#define LNX 5 /* Linux original :-) */
#define BSD 6 /* FreeBSD and OpenBSD */
#define SUN 7 /* SunOS 5 (Solaris) */
#define HPU 8 /* HP-UX */
#define SGI 9 /* Irix */
#define SOE 10 /* IBM's S/390 OpenEdition */
/*
* Must not overflow the output buffer:
* 32 pages for env+cmd
* 8 kB pages on the Alpha
* 5 chars for "\001 "
* plus some slack for other stuff
* That is about 1.3 MB on the Alpha
*
* This isn't good enough for setuid. If anyone cares, mmap() over the
* last page with something unwriteable.
*/
/* maximum escape expansion is 6, for " */
#define ESC_STRETCH 6
/* output buffer size */
#define OUTBUF_SIZE (32*PAGE_SIZE*ESC_STRETCH + 8*PAGE_SIZE)
/* spaces used to right-justify things */
#define SPACE_AMOUNT (int)(PAGE_SIZE)
/******************* PS DEFINE *******************/
/* personality control flags */
#define PER_BROKEN_o 0x0001
#define PER_BSD_h 0x0002
#define PER_BSD_m 0x0004
#define PER_CUMUL_MARKED 0x0008
#define PER_FORCE_BSD 0x0010
#define PER_GOOD_o 0x0020
#define PER_OLD_m 0x0040
#define PER_NO_DEFAULT_g 0x0080
#define PER_ZAP_ADDR 0x0100
#define PER_SANE_USER 0x0200
#define PER_IRIX_l 0x0400
/* Simple selections by bit mask */
#define SS_B_x 0x01
#define SS_B_g 0x02
#define SS_U_d 0x04
#define SS_U_a 0x08
#define SS_B_a 0x10
/* predefined format flags such as: -l -f l u s -j */
#define FF_Uf 0x0001 /* -f */
#define FF_Uj 0x0002 /* -j */
#define FF_Ul 0x0004 /* -l */
#define FF_Bj 0x0008 /* j */
#define FF_Bl 0x0010 /* l */
#define FF_Bs 0x0020 /* s */
#define FF_Bu 0x0040 /* u */
#define FF_Bv 0x0080 /* v */
#define FF_LX 0x0100 /* X */
#define FF_Lm 0x0200 /* m */ /* overloaded: threads, sort, format */
/* predefined format modifier flags such as: -l -f l u s -j */
#define FM_c 0x0001 /* -c */
#define FM_j 0x0002 /* -j */ /* only set when !sysv_j_format */
#define FM_y 0x0004 /* -y */
#define FM_L 0x0008 /* -L */
#define FM_P 0x0010 /* -P */
#define FM_M 0x0020 /* -M */
#define FM_T 0x0040 /* -T */
#define FM_F 0x0080 /* -F */ /* -F also sets the regular -f flags */
/* sorting & formatting */
/* U,B,G is Unix,BSD,Gnu and then there is the option itself */
#define SF_U_O 1
#define SF_U_o 2
#define SF_B_O 3
#define SF_B_o 4
#define SF_B_m 5 /* overloaded: threads, sort, format */
#define SF_G_sort 6
#define SF_G_format 7
/* headers */
#define HEAD_SINGLE 0 /* default, must be 0 */
#define HEAD_NONE 1
#define HEAD_MULTI 2
/********************** GENERAL TYPEDEF *******************/
/* Other fields that might be useful:
*
* char *name; user-defined column name (format specification)
* int reverse; sorting in reverse (sort specification)
*
* name in place of u
* reverse in place of n
*/
typedef union sel_union {
pid_t pid;
uid_t uid;
gid_t gid;
dev_t tty;
char cmd[8]; /* this is _not_ \0 terminated */
} sel_union;
typedef struct selection_node {
struct selection_node *next;
sel_union *u; /* used if selection type has a list of values */
int n; /* used if selection type has a list of values */
int typecode;
} selection_node;
typedef struct sort_node {
struct sort_node *next;
int (*sr)(const proc_t* P, const proc_t* Q); /* sort function */
int reverse; /* can sort backwards */
int typecode;
} sort_node;
typedef struct format_node {
struct format_node *next;
char *name; /* user can override default name */
int (*pr)(void); /* print function */
/* int (* const sr)(const proc_t* P, const proc_t* Q); */ /* sort function */
int width;
int pad;
int vendor; /* Vendor that invented this */
int flags;
int typecode;
} format_node;
typedef struct format_struct {
const char *spec; /* format specifier */
const char *head; /* default header in the POSIX locale */
int (* const pr)(void); /* print function */
int (* const sr)(const proc_t* P, const proc_t* Q); /* sort function */
const int width;
const int pad; /* could be second width */
const int vendor; /* Where does this come from? */
const int flags;
} format_struct;
/* though ps-specific, needed by general file */
typedef struct macro_struct {
const char *spec; /* format specifier */
const char *head; /* default header in the POSIX locale */
} macro_struct;
/**************** PS TYPEDEF ***********************/
typedef struct aix_struct {
const int desc; /* 1-character format code */
const char *spec; /* format specifier */
const char *head; /* default header in the POSIX locale */
} aix_struct;
typedef struct shortsort_struct {
const int desc; /* 1-character format code */
const char *spec; /* format specifier */
} shortsort_struct;
/* Save these options for later: -o o -O O --format --sort */
typedef struct sf_node {
struct sf_node *next; /* next arg */
format_node *f_cooked; /* convert each arg alone, then merge */
sort_node *s_cooked; /* convert each arg alone, then merge */
char *sf;
int sf_code;
} sf_node;
/*********************** GENERAL GLOBALS *************************/
/* escape.c */
extern int escape_strlist(char *dst, const char **src, size_t n);
extern int escape_str(char *dst, const char *src, size_t n);
extern int octal_escape_str(char *dst, const char *src, size_t n);
extern int simple_escape_str(char *dst, const char *src, size_t n);
/********************* UNDECIDED GLOBALS **************/
/*
* fputs(3) should (as in "good behavior") return the number of
* characters written as it does on Digital Unix, AIX, Irix, and SunOS.
* I'll assume glibc 2.1 has this extremely useful feature.
*
* Note: code ported from other systems will keep breaking until
* the library is updated. You should patch the library itself if
* at all possible. (for example, distributers who build libc from
* source with automatic patching as part of the build process)
*/
#if defined __GLIBC__ && ((__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) || __GLIBC__ > 2)
#warning Hopefully fputs(3) has been modernized...
#else
#define EMULATE_FPUTS
#define fputs something_to_avoid_libc_troubles
static inline int fputs(const char *s, FILE *fp){
return fwrite(s,1,strlen(s),fp);
/* return fprintf(fp, "%s", s); */
}
#endif
/* output.c */
extern void show_one_proc(proc_t* p);
extern void print_format_specifiers(void);
extern const aix_struct *search_aix_array(const int findme);
extern const shortsort_struct *search_shortsort_array(const int findme);
extern const format_struct *search_format_array(const char *findme);
extern const macro_struct *search_macro_array(const char *findme);
extern void init_output(void);
/* global.c */
extern void reset_global(void);
/* global.c */
extern int all_processes;
extern char *bsd_j_format;
extern char *bsd_l_format;
extern char *bsd_s_format;
extern char *bsd_u_format;
extern char *bsd_v_format;
extern int bsd_c_option;
extern int bsd_e_option;
extern uid_t cached_euid;
extern dev_t cached_tty;
extern char forest_prefix[4 * 32*1024 + 100];
extern int forest_type;
extern unsigned format_flags; /* -l -f l u s -j... */
extern format_node *format_list; /* digested formatting options */
extern unsigned format_modifiers; /* -c -j -y -P -L... */
extern int header_gap;
extern int header_type; /* none, single, multi... */
extern int include_dead_children;
extern int lines_to_next_header;
extern int max_line_width;
extern const char *namelist_file;
extern int negate_selection;
extern unsigned personality;
extern int prefer_bsd_defaults;
extern int running_only;
extern int screen_cols;
extern int screen_rows;
extern unsigned long seconds_since_boot;
extern selection_node *selection_list;
extern unsigned simple_select;
extern sort_node *sort_list;
extern char *sysv_f_format;
extern char *sysv_fl_format;
extern char *sysv_j_format;
extern char *sysv_l_format;
extern int unix_f_option;
extern int user_is_number;
extern int wchan_is_number;
/************************* PS GLOBALS *********************/
/* sortformat.c */
extern int defer_sf_option(const char *arg, int source);
extern const char *process_sf_options(int localbroken);
extern void reset_sortformat(void);
/* select.c */
extern int want_this_proc(proc_t *buf);
extern const char *select_bits_setup(void);
/* help.c */
extern const char *help_message;
/* global.c */
extern void self_info(void);
/* parser.c */
extern int arg_parse(int argc, char *argv[]);
#endif