Files
libgtop/sysdeps/linux/proctime.c
Martin baulig 9532dadc2e No longer use `glibtop_machine.h' for Linux.
1998-07-03  Martin baulig  <martin@home-of-linux.org>

	* macros/gnome-libgtop-sysdeps.m4: No longer use
	`glibtop_machine.h' for Linux.

	* sysdeps/linux/glibtop_machine.h: Removed.

	* sysdeps/guile/guile.awk: Using `scm_append'
	instead of `gh_append'.

	* sysdeps/guile/names/guile-names.awk: dito.

	* sysdeps/linux/*.c: Using code from stable branch again.

	* include/glibtop/parameter.h: New file.

	* lib/parameter.c: New file.

	* lib/{open, init}.c: Done some more work on server
	initialization
1998-07-03 17:19:25 +00:00

81 lines
2.5 KiB
C

/* $Id$ */
/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
This file is part of the Gnome Top Library.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
The Gnome Top Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The Gnome Top Library 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.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <glibtop.h>
#include <glibtop/error.h>
#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);
/* Provides detailed information about a process. */
void
glibtop_get_proc_time_s (glibtop *server, glibtop_proc_time *buf, pid_t pid)
{
char input [BUFSIZ], *tmp;
int nread;
FILE *f;
glibtop_init_r (&server, 0, 0);
memset (buf, 0, sizeof (glibtop_proc_time));
if (pid == 0) {
/* Client is only interested in the flags. */
buf->flags = _glibtop_sysdeps_proc_time;
return;
}
sprintf (input, "/proc/%d/stat", pid);
f = fopen (input, "r");
if (!f) return;
nread = fread (input, 1, BUFSIZ, f);
if (nread < 0) {
fclose (f);
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 "
"%ld %ld %ld %ld %*d %*d %lu %lu %ld",
&buf->utime, &buf->stime, &buf->cutime, &buf->cstime,
&buf->timeout, &buf->it_real_value, &buf->start_time);
fclose (f);
buf->flags = _glibtop_sysdeps_proc_time;
}