oxmc/libgtop
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Major code cleanups. We now use open () and read ().

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This commit is contained in:
Martin Baulig
1998-08-16 18:46:53 +00:00
parent 739ce693dc
commit 59bb8d0ced
8 changed files with 251 additions and 268 deletions
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60
sysdeps/linux/proctime.c
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@@ -24,10 +24,11 @@
#include <glibtop/proctime.h>
static const unsigned long _glibtop_sysdeps_proc_time =
(1 << GLIBTOP_PROC_TIME_START_TIME) + (1 << GLIBTOP_PROC_TIME_UTIME) +
(1 << GLIBTOP_PROC_TIME_STIME) + (1 << GLIBTOP_PROC_TIME_CUTIME) +
(1 << GLIBTOP_PROC_TIME_CSTIME) + (1 << GLIBTOP_PROC_TIME_TIMEOUT) +
(1 << GLIBTOP_PROC_TIME_IT_REAL_VALUE);
(1 << GLIBTOP_PROC_TIME_UTIME) + (1 << GLIBTOP_PROC_TIME_CUTIME) +
(1 << GLIBTOP_PROC_TIME_STIME) + (1 << GLIBTOP_PROC_TIME_CSTIME) +
(1 << GLIBTOP_PROC_TIME_RTIME) + (1 << GLIBTOP_PROC_TIME_FREQUENCY) +
(1 << GLIBTOP_PROC_TIME_TIMEOUT) + (1 << GLIBTOP_PROC_TIME_IT_REAL_VALUE) +
(1 << GLIBTOP_PROC_TIME_START_TIME);
/* Init function. */
@@ -42,41 +43,34 @@ glibtop_init_proc_time_s (glibtop *server)
void
glibtop_get_proc_time_s (glibtop *server, glibtop_proc_time *buf, pid_t pid)
{
char input [BUFSIZ], *tmp;
int nread;
FILE *f;
char buffer [BUFSIZ], *p;
glibtop_init_s (&server, GLIBTOP_SYSDEPS_PROC_TIME, 0);
memset (buf, 0, sizeof (glibtop_proc_time));
sprintf (input, "/proc/%d/stat", pid);
f = fopen (input, "r");
if (!f) return;
nread = fread (input, 1, BUFSIZ, f);
if (nread < 0) {
fclose (f);
if (proc_stat_to_buffer (buffer, pid))
return;
}
input [nread] = 0;
/* This is from guile-utils/gtop/proc/readproc.c */
/* split into "PID (cmd" and "<rest>" */
tmp = strrchr (input, ')');
*tmp = '\0'; /* replace trailing ')' with NUL */
/* parse these two strings separately, skipping the leading "(". */
sscanf(tmp + 2, /* skip space after ')' too */
"%*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u "
"%Lu %Lu %Lu %Lu %*d %*d %Lu %Lu %Lu",
&buf->utime, &buf->stime, &buf->cutime, &buf->cstime,
&buf->timeout, &buf->it_real_value, &buf->start_time);
fclose (f);
p = proc_stat_after_cmd (buffer);
if (!p) return;
p = skip_multiple_token (p, 11);
buf->utime = strtoul (p, &p, 0);
buf->stime = strtoul (p, &p, 0);
buf->cutime = strtoul (p, &p, 0);
buf->cstime = strtoul (p, &p, 0);
buf->rtime = buf->utime + buf->stime;
p = skip_multiple_token (p, 2);
buf->timeout = strtoul (p, &p, 0);
buf->it_real_value = strtoul (p, &p, 0);
buf->start_time = strtoul (p, &p, 0);
buf->frequency = 100;
buf->flags = _glibtop_sysdeps_proc_time;
}