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%cpu and other changes

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This commit is contained in:
albert
2004-09-12 15:43:48 +00:00
parent 55b3e73334
commit 59fc9dd711
5 changed files with 138 additions and 101 deletions
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NEWS
+1
View File
@@ -4,6 +4,7 @@ support 64-bit MIPS with n32 binary
sparc32 optimized for sparc32 again
ps: more room for some columns
watch: passes COLUMNS and LINES in environment
top: in batch mode, tolerate unknown $TERM -- thanks Daniel Walsh
procps-3.2.2 --> procps-3.2.3
ps/output.c
+100 -62
View File
@@ -1,5 +1,5 @@
/*
* Copyright 1999-2002 by Albert Cahalan; all rights reserved.
* Copyright 1999-2004 by Albert Cahalan; all rights reserved.
*
* This file may be used subject to the terms and conditions of the
* GNU Library General Public License Version 2, or any later version
@@ -385,10 +385,6 @@ static int pr_etime(char *restrict const outbuf, const proc_t *restrict const pp
cp += snprintf(cp, COLWID, "%02u:%02u", mm, ss) ;
return (int)(cp-outbuf);
}
static int pr_nice(char *restrict const outbuf, const proc_t *restrict const pp){
if(pp->sched!=0 && pp->sched!=-1) return snprintf(outbuf, COLWID, "-");
return snprintf(outbuf, COLWID, "%ld", pp->nice);
}
/* "Processor utilisation for scheduling." --- we use %cpu w/o fraction */
static int pr_c(char *restrict const outbuf, const proc_t *restrict const pp){
@@ -411,8 +407,9 @@ static int pr_pcpu(char *restrict const outbuf, const proc_t *restrict const pp)
if(include_dead_children) total_time += (pp->cutime + pp->cstime);
seconds = seconds_since_boot - pp->start_time / Hertz;
if(seconds) pcpu = (total_time * 1000ULL / Hertz) / seconds;
if (pcpu > 999U) pcpu = 999U;
return snprintf(outbuf, COLWID, "%2u.%u", pcpu/10U, pcpu%10U);
if (pcpu > 999U)
return snprintf(outbuf, COLWID, "%u", pcpu/10U);
return snprintf(outbuf, COLWID, "%u.%u", pcpu/10U, pcpu%10U);
}
/* this is a "per-mill" format, like %cpu with no decimal point */
static int pr_cp(char *restrict const outbuf, const proc_t *restrict const pp){
@@ -468,8 +465,7 @@ static int pr_vsz(char *restrict const outbuf, const proc_t *restrict const pp){
return snprintf(outbuf, COLWID, "%lu", pp->vm_size);
}
/********* maybe standard (Unix98 only defines the header) **********/
//////////////////////////////////////////////////////////////////////////////////////
// "PRI" is created by "opri", or by "pri" when -c is used.
//
@@ -512,19 +508,95 @@ static int pr_vsz(char *restrict const outbuf, const proc_t *restrict const pp){
// which is pp->priority+1. (3-digit max, positive is normal,
// negative or 0 is RT, and meets the standard for PRI)
//
// legal as UNIX "PRI"
// "priority" (was -20..20, now -100..39)
static int pr_priority(char *restrict const outbuf, const proc_t *restrict const pp){ /* -20..20 */
return snprintf(outbuf, COLWID, "%ld", pp->priority);
}
// "pri" (was 20..60, now 0..139)
static int pr_pri(char *restrict const outbuf, const proc_t *restrict const pp){ /* 20..60 */
return snprintf(outbuf, COLWID, "%ld", 39 - pp->priority);
}
// legal as UNIX "PRI"
// "intpri" and "opri" (was 39..79, now -40..99)
static int pr_opri(char *restrict const outbuf, const proc_t *restrict const pp){ /* 39..79 */
return snprintf(outbuf, COLWID, "%ld", 60 + pp->priority);
}
// legal as UNIX "PRI"
// "pri_foo" -- match up w/ nice values of sleeping processes (-120..19)
static int pr_pri_foo(char *restrict const outbuf, const proc_t *restrict const pp){
return snprintf(outbuf, COLWID, "%ld", pp->priority - 20);
}
// legal as UNIX "PRI"
// "pri_bar" -- makes RT pri show as negative (-99..40)
static int pr_pri_bar(char *restrict const outbuf, const proc_t *restrict const pp){
return snprintf(outbuf, COLWID, "%ld", pp->priority + 1);
}
// legal as UNIX "PRI"
// "pri_baz" -- the kernel's ->prio value, as of Linux 2.6.8 (1..140)
static int pr_pri_baz(char *restrict const outbuf, const proc_t *restrict const pp){
return snprintf(outbuf, COLWID, "%ld", pp->priority + 100);
}
// not legal as UNIX "PRI"
// "pri" (was 20..60, now 0..139)
static int pr_pri(char *restrict const outbuf, const proc_t *restrict const pp){ /* 20..60 */
return snprintf(outbuf, COLWID, "%ld", 39 - pp->priority);
}
// not legal as UNIX "PRI"
// "pri_api" -- match up w/ RT API (-40..99)
static int pr_pri_api(char *restrict const outbuf, const proc_t *restrict const pp){
return snprintf(outbuf, COLWID, "%ld", -1 - pp->priority);
}
static int pr_nice(char *restrict const outbuf, const proc_t *restrict const pp){
if(pp->sched!=0 && pp->sched!=-1) return snprintf(outbuf, COLWID, "-");
return snprintf(outbuf, COLWID, "%ld", pp->nice);
}
// HP-UX "cls": RT RR RR2 ???? HPUX FIFO KERN
// Solaris "class": SYS TS FX IA RT FSS (FIFO is RR w/ Inf quant)
// FIFO+RR share RT; FIFO has Inf quant
// IA=interactive; FX=fixed; TS=timeshare; SYS=system
// FSS=fairshare; INTS=interrupts
// Tru64 "policy": FF RR TS
// IRIX "class": RT TS B BC WL GN
// RT=real-time; TS=time-share; B=batch; BC=batch-critical
// WL=weightless; GN=gang-scheduled
// see miser(1) for this; PRI has some letter codes too
static int pr_class(char *restrict const outbuf, const proc_t *restrict const pp){
switch(pp->sched){
case -1: return snprintf(outbuf, COLWID, "-"); // not reported
case 0: return snprintf(outbuf, COLWID, "TS"); // SCHED_OTHER
case 1: return snprintf(outbuf, COLWID, "FF"); // SCHED_FIFO
case 2: return snprintf(outbuf, COLWID, "RR"); // SCHED_RR
case 3: return snprintf(outbuf, COLWID, "#3"); // SCHED_BATCH? (will be "B")
case 4: return snprintf(outbuf, COLWID, "#4"); // SCHED_ISO? (Con Kolivas)
case 5: return snprintf(outbuf, COLWID, "#5"); //
case 8: return snprintf(outbuf, COLWID, "#8"); //
default: return snprintf(outbuf, COLWID, "?"); // unknown value
}
}
// Based on "type", FreeBSD would do:
// REALTIME "real:%u", prio
// NORMAL "normal"
// IDLE "idle:%u", prio
// default "%u:%u", type, prio
// We just print the priority, and have other keywords for type.
static int pr_rtprio(char *restrict const outbuf, const proc_t *restrict const pp){
if(pp->sched==0 || pp->sched==-1) return snprintf(outbuf, COLWID, "-");
return snprintf(outbuf, COLWID, "%ld", pp->rtprio);
}
static int pr_sched(char *restrict const outbuf, const proc_t *restrict const pp){
if(pp->sched==-1) return snprintf(outbuf, COLWID, "-");
return snprintf(outbuf, COLWID, "%ld", pp->sched);
}
////////////////////////////////////////////////////////////////////////////////
static int pr_wchan(char *restrict const outbuf, const proc_t *restrict const pp){
/*
* Unix98 says "blank if running" and also "no blanks"! :-(
@@ -769,44 +841,6 @@ static int pr_pmem(char *restrict const outbuf, const proc_t *restrict const pp)
return snprintf(outbuf, COLWID, "%2u.%u", (unsigned)(pmem/10), (unsigned)(pmem%10));
}
// HP-UX "cls": RT RR RR2 ???? HPUX FIFO KERN
// Solaris "class": SYS TS FX IA RT FSS (FIFO is RR w/ Inf quant)
// FIFO+RR share RT; FIFO has Inf quant
// IA=interactive; FX=fixed; TS=timeshare; SYS=system
// FSS=fairshare; INTS=interrupts
// Tru64 "policy": FF RR TS
// IRIX "class": RT TS B BC WL GN
// RT=real-time; TS=time-share; B=batch; BC=batch-critical
// WL=weightless; GN=gang-scheduled
// see miser(1) for this; PRI has some letter codes too
static int pr_class(char *restrict const outbuf, const proc_t *restrict const pp){
switch(pp->sched){
case -1: return snprintf(outbuf, COLWID, "-"); // not reported
case 0: return snprintf(outbuf, COLWID, "TS"); // SCHED_OTHER
case 1: return snprintf(outbuf, COLWID, "FF"); // SCHED_FIFO
case 2: return snprintf(outbuf, COLWID, "RR"); // SCHED_RR
case 3: return snprintf(outbuf, COLWID, "#3"); // SCHED_BATCH? (will be "B")
case 4: return snprintf(outbuf, COLWID, "#4"); // SCHED_ISO? (Con Kolivas)
case 5: return snprintf(outbuf, COLWID, "#5"); //
case 8: return snprintf(outbuf, COLWID, "#8"); //
default: return snprintf(outbuf, COLWID, "?"); // unknown value
}
}
// Based on "type", FreeBSD would do:
// REALTIME "real:%u", prio
// NORMAL "normal"
// IDLE "idle:%u", prio
// default "%u:%u", type, prio
// We just print the priority, and have other keywords for type.
static int pr_rtprio(char *restrict const outbuf, const proc_t *restrict const pp){
if(pp->sched==0 || pp->sched==-1) return snprintf(outbuf, COLWID, "-");
return snprintf(outbuf, COLWID, "%ld", pp->rtprio);
}
static int pr_sched(char *restrict const outbuf, const proc_t *restrict const pp){
if(pp->sched==-1) return snprintf(outbuf, COLWID, "-");
return snprintf(outbuf, COLWID, "%ld", pp->sched);
}
static int pr_lstart(char *restrict const outbuf, const proc_t *restrict const pp){
time_t t;
t = time_of_boot + pp->start_time / Hertz;
@@ -1099,12 +1133,12 @@ static const format_struct format_array[] = {
{"atime", "TIME", pr_time, sr_nop, 8, 0, SOE, ET|RIGHT}, /*cputime*/ /* was 6 wide */
{"blocked", "BLOCKED", pr_sigmask, sr_nop, 9, 0, BSD, TO|SIGNAL}, /*sigmask*/
{"bnd", "BND", pr_nop, sr_nop, 1, 0, AIX, TO|RIGHT},
{"bsdstart", "START", pr_bsdstart, sr_nop, 6, 0, LNX, AN|RIGHT},
{"bsdtime", "TIME", pr_bsdtime, sr_nop, 6, 0, LNX, AN|RIGHT},
{"bsdstart", "START", pr_bsdstart, sr_nop, 6, 0, LNX, ET|RIGHT},
{"bsdtime", "TIME", pr_bsdtime, sr_nop, 6, 0, LNX, ET|RIGHT},
{"c", "C", pr_c, sr_pcpu, 2, 0, SUN, ET|RIGHT},
{"caught", "CAUGHT", pr_sigcatch, sr_nop, 9, 0, BSD, TO|SIGNAL}, /*sigcatch*/
{"class", "CLS", pr_class, sr_sched, 3, 0, XXX, TO|LEFT},
{"cls", "CLS", pr_class, sr_sched, 3, 0, HPU, AN|RIGHT}, /*says HPUX or RT*/
{"cls", "CLS", pr_class, sr_sched, 3, 0, HPU, TO|RIGHT}, /*says HPUX or RT*/
{"cmaj_flt", "-", pr_nop, sr_cmaj_flt, 1, 0, LNX, AN|RIGHT},
{"cmd", "CMD", pr_args, sr_cmd, 16, ARG, DEC, PO|UNLIMITED}, /*ucomm*/
{"cmin_flt", "-", pr_nop, sr_cmin_flt, 1, 0, LNX, AN|RIGHT},
@@ -1129,7 +1163,7 @@ static const format_struct format_array[] = {
{"end_code", "E_CODE", pr_nop, sr_end_code, 8, 0, LNx, PO|RIGHT},
{"environ","ENVIRONMENT",pr_nop, sr_nop, 11, ENV, LNx, PO|UNLIMITED},
{"esp", "ESP", pr_esp, sr_kstk_esp, 8, 0, LNX, TO|RIGHT},
{"etime", "ELAPSED", pr_etime, sr_nop, 11, 0, U98, AN|RIGHT}, /* was 7 wide */
{"etime", "ELAPSED", pr_etime, sr_nop, 11, 0, U98, ET|RIGHT}, /* was 7 wide */
{"euid", "EUID", pr_euid, sr_euid, 5, 0, LNX, ET|RIGHT},
{"euser", "EUSER", pr_euser, sr_euser, 8, USR, LNX, ET|USER},
{"f", "F", pr_flag, sr_flags, 1, 0, XXX, ET|RIGHT}, /*flags*/
@@ -1162,7 +1196,7 @@ static const format_struct format_array[] = {
{"login", "LOGNAME", pr_nop, sr_nop, 8, 0, BSD, AN|LEFT}, /*logname*/ /* double check */
{"logname", "LOGNAME", pr_nop, sr_nop, 8, 0, XXX, AN|LEFT}, /*login*/
{"longtname", "TTY", pr_tty8, sr_tty, 8, 0, DEC, PO|LEFT},
{"lstart", "STARTED", pr_lstart, sr_nop, 24, 0, XXX, AN|RIGHT},
{"lstart", "STARTED", pr_lstart, sr_nop, 24, 0, XXX, ET|RIGHT},
{"luid", "LUID", pr_nop, sr_nop, 5, 0, LNX, ET|RIGHT}, /* login ID */
{"luser", "LUSER", pr_nop, sr_nop, 8, USR, LNX, ET|USER}, /* login USER */
{"lwp", "LWP", pr_thread, sr_tid, 5, 0, SUN, TO|PIDMAX|RIGHT},
@@ -1184,7 +1218,7 @@ static const format_struct format_array[] = {
{"ni", "NI", pr_nice, sr_nice, 3, 0, BSD, TO|RIGHT}, /*nice*/
{"nice", "NI", pr_nice, sr_nice, 3, 0, U98, TO|RIGHT}, /*ni*/
{"nivcsw", "IVCSW", pr_nop, sr_nop, 5, 0, XXX, AN|RIGHT},
{"nlwp", "NLWP", pr_nlwp, sr_nlwp, 4, 0, SUN, AN|RIGHT},
{"nlwp", "NLWP", pr_nlwp, sr_nlwp, 4, 0, SUN, PO|RIGHT},
{"nsignals", "NSIGS", pr_nop, sr_nop, 5, 0, DEC, AN|RIGHT}, /*nsigs*/
{"nsigs", "NSIGS", pr_nop, sr_nop, 5, 0, BSD, AN|RIGHT}, /*nsignals*/
{"nswap", "NSWAP", pr_nop, sr_nop, 5, 0, XXX, AN|RIGHT},
@@ -1207,7 +1241,11 @@ static const format_struct format_array[] = {
{"policy", "POL", pr_class, sr_sched, 3, 0, DEC, TO|LEFT},
{"ppid", "PPID", pr_ppid, sr_ppid, 5, 0, U98, PO|PIDMAX|RIGHT},
{"pri", "PRI", pr_pri, sr_nop, 3, 0, XXX, TO|RIGHT},
{"priority", "PRI", pr_priority, sr_priority, 3, 0, LNX, TO|RIGHT}, /*ni,nice*/ /* from Linux sorting names */
{"pri_api", "API", pr_pri_api, sr_nop, 3, 0, LNX, TO|RIGHT},
{"pri_bar", "BAR", pr_pri_bar, sr_nop, 3, 0, LNX, TO|RIGHT},
{"pri_baz", "BAZ", pr_pri_baz, sr_nop, 3, 0, LNX, TO|RIGHT},
{"pri_foo", "FOO", pr_pri_foo, sr_nop, 3, 0, LNX, TO|RIGHT},
{"priority", "PRI", pr_priority, sr_priority, 3, 0, LNX, TO|RIGHT},
{"prmgrp", "PRMGRP", pr_nop, sr_nop, 12, 0, HPU, PO|RIGHT},
{"prmid", "PRMID", pr_nop, sr_nop, 12, 0, HPU, PO|RIGHT},
{"pset", "PSET", pr_nop, sr_nop, 4, 0, DEC, TO|RIGHT},
@@ -1248,14 +1286,14 @@ static const format_struct format_array[] = {
{"sl", "SL", pr_nop, sr_nop, 3, 0, XXX, AN|RIGHT},
{"spid", "SPID", pr_thread, sr_tid, 5, 0, SGI, TO|PIDMAX|RIGHT},
{"stackp", "STACKP", pr_stackp, sr_start_stack, 8, 0, LNX, PO|RIGHT}, /*start_stack*/
{"start", "STARTED", pr_start, sr_nop, 8, 0, XXX, AN|RIGHT},
{"start", "STARTED", pr_start, sr_nop, 8, 0, XXX, ET|RIGHT},
{"start_code", "S_CODE", pr_nop, sr_start_code, 8, 0, LNx, PO|RIGHT},
{"start_stack", "STACKP", pr_stackp, sr_start_stack, 8, 0, LNX, PO|RIGHT}, /*stackp*/
{"start_time", "START", pr_stime, sr_start_time, 5, 0, LNx, AN|RIGHT},
{"start_time", "START", pr_stime, sr_start_time, 5, 0, LNx, ET|RIGHT},
{"stat", "STAT", pr_stat, sr_state, 4, 0, BSD, TO|LEFT}, /*state,s*/
{"state", "S", pr_s, sr_state, 1, 0, XXX, TO|LEFT}, /*stat,s*/ /* was STAT */
{"status", "STATUS", pr_nop, sr_nop, 6, 0, DEC, AN|RIGHT},
{"stime", "STIME", pr_stime, sr_stime, 5, 0, XXX, AN|RIGHT}, /* was 6 wide */
{"stime", "STIME", pr_stime, sr_stime, 5, 0, XXX, ET|RIGHT}, /* was 6 wide */
{"suid", "SUID", pr_suid, sr_suid, 5, 0, LNx, ET|RIGHT},
{"suser", "SUSER", pr_suser, sr_suser, 8, USR, LNx, ET|USER},
{"svgid", "SVGID", pr_sgid, sr_sgid, 5, 0, XXX, ET|RIGHT},
@@ -1265,7 +1303,7 @@ static const format_struct format_array[] = {
{"systime", "SYSTEM", pr_nop, sr_nop, 6, 0, DEC, ET|RIGHT},
{"sz", "SZ", pr_sz, sr_nop, 5, 0, HPU, PO|RIGHT},
{"tdev", "TDEV", pr_nop, sr_nop, 4, 0, XXX, AN|RIGHT},
{"thcount", "THCNT", pr_nlwp, sr_nlwp, 5, 0, AIX, AN|RIGHT},
{"thcount", "THCNT", pr_nlwp, sr_nlwp, 5, 0, AIX, PO|RIGHT},
{"tid", "TID", pr_thread, sr_tid, 5, 0, AIX, TO|PIDMAX|RIGHT},
{"time", "TIME", pr_time, sr_nop, 8, 0, U98, ET|RIGHT}, /*cputime*/ /* was 6 wide */
{"timeout", "TMOUT", pr_nop, sr_nop, 5, 0, LNX, AN|RIGHT}, // 2.0.xx era
ps/ps.1
+11 -10
View File
@@ -186,8 +186,8 @@ are used or when the \fBps\fR personality setting is BSD\-like.
The set of processes selected in this manner is
in addition to the set of processes selected by other means.
An alternate description is that this option causes \fBps\fR to
list all processes with a terminal (tty), or to list all processes
when used together with the \fBx\fR option.
list all processes with a terminal (tty),
or to list all processes when used together with the \fBx\fR option.
.TP
.B \-d
@@ -215,9 +215,9 @@ Restrict the selection to only running processes.
.TP
.B x
Lift the BSD\-style "must have a tty" restriction, which is imposed upon
the set of all processes when
some BSD\-style options are used or when the \fBps\fR personality
setting is BSD\-like. The set of processes selected in this manner is
the set of all processes when some BSD\-style (without\ "\-") options
are used or when the \fBps\fR personality setting is BSD\-like.
The set of processes selected in this manner is
in addition to the set of processes selected by other means.
An alternate description is that this option causes \fBps\fR to
list all processes owned by you (same EUID as \fBps\fR),
@@ -923,7 +923,7 @@ lB1 l1 l.
CODE HEADER DESCRIPTION
%cpu %CPU T{
cpu utilization of the process in "##.#" format. It is the CPU time
cpu utilization of the process in "##.#" format. Currently, it is the CPU time
used divided by the time the process has been running (cputime/realtime
ratio), expressed as a percentage. It will not add up to 100% unless you
are lucky. (alias\ \fBpcpu\fR).
@@ -946,7 +946,7 @@ keyword, the \fB\-f\fR option, and the \fBc\fR option.
.br
When specified last, this column will extend to the edge of the display.
If \fBps\fR can not determine display width, as when output is redirected
(piped) into a file or another command, the width of this column is undefined.
(piped) into a file or another command, the output width is undefined.
(it may be 80, unlimited, determined by the \fBTERM\fR variable, and so on)
The \fBCOLUMNS\fR environment variable or \fB\-\-cols\fR option may
be used to exactly determine the width in this case.
@@ -974,7 +974,8 @@ minutes of cpu time.
T}
c C T{
integer value of the processor utilisation percentage. (see\ \fB%cpu\fR).
processor utilization. Currently, this is the integer value of
the percent usage over the lifetime of the process. (see\ \fB%cpu\fR).
T}
caught CAUGHT T{
@@ -1027,7 +1028,7 @@ keyword, the \fB\-f\fR option, and the \fBc\fR option.
.br
When specified last, this column will extend to the edge of the display.
If \fBps\fR can not determine display width, as when output is redirected
(piped) into a file or another command, the width of this column is undefined.
(piped) into a file or another command, the output width is undefined.
(it may be 80, unlimited, determined by the \fBTERM\fR variable, and so on)
The \fBCOLUMNS\fR environment variable or \fB\-\-cols\fR option may
be used to exactly determine the width in this case.
@@ -1039,7 +1040,7 @@ see \fBargs\fR. (alias\ \fBargs\fR,\ \fBcmd\fR).
T}
cp CP T{
per\-mill CPU usage. (see\ \fB%cpu\fR).
per\-mill (tenths of a percent) CPU usage. (see\ \fB%cpu\fR).
T}
cputime TIME T{
skill.c
+2 -1
View File
@@ -286,7 +286,8 @@ static void kill_main(int argc, const char *restrict const *restrict argv){
goto no_more_args;
}
if(argv[1][1]=='-') kill_usage(); /* likely --help */
if(argv[1][1]=='s' && argv[1][2]=='\0'){
// FIXME: "kill -sWINCH $$" not handled
if(argv[1][2]=='\0' && (argv[1][1]=='s' || argv[1][1]=='n')){
sigptr = argv[2];
argv+=3;
argc-=3;
top.c
+24 -28
View File
@@ -1810,35 +1810,31 @@ static void whack_terminal (void)
{
struct termios newtty;
// the curses part...
#ifdef PRETENDNOCAP
setupterm("dumb", STDOUT_FILENO, NULL);
#else
setupterm(NULL, STDOUT_FILENO, NULL);
#endif
// our part...
if (!Batch) {
if (-1 == tcgetattr(STDIN_FILENO, &Savedtty))
std_err("failed tty get");
newtty = Savedtty;
newtty.c_lflag &= ~(ICANON | ECHO);
newtty.c_oflag &= ~(TAB3);
newtty.c_cc[VMIN] = 1;
newtty.c_cc[VTIME] = 0;
Ttychanged = 1;
if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &newtty) == -1) {
putp(Cap_clr_scr);
std_err(fmtmk("failed tty set: %s", strerror(errno)));
}
tcgetattr(STDIN_FILENO, &Rawtty);
#ifndef STDOUT_IOLBF
// thanks anyway stdio, but we'll manage buffering at the frame level...
setbuffer(stdout, Stdout_buf, sizeof(Stdout_buf));
#endif
putp(Cap_clr_scr);
fflush(stdout);
if (Batch) {
setupterm("dumb", STDOUT_FILENO, NULL);
return;
}
setupterm(NULL, STDOUT_FILENO, NULL);
if (tcgetattr(STDIN_FILENO, &Savedtty) == -1)
std_err("failed tty get");
newtty = Savedtty;
newtty.c_lflag &= ~(ICANON | ECHO);
newtty.c_oflag &= ~(TAB3);
newtty.c_cc[VMIN] = 1;
newtty.c_cc[VTIME] = 0;
Ttychanged = 1;
if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &newtty) == -1) {
putp(Cap_clr_scr);
std_err(fmtmk("failed tty set: %s", strerror(errno)));
}
tcgetattr(STDIN_FILENO, &Rawtty);
#ifndef STDOUT_IOLBF
// thanks anyway stdio, but we'll manage buffering at the frame level...
setbuffer(stdout, Stdout_buf, sizeof(Stdout_buf));
#endif
putp(Cap_clr_scr);
fflush(stdout);
}