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/* $Id$ */
/* 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 <config.h>
#include <glibtop/procsegment.h>
static const unsigned long _glibtop_sysdeps_proc_segment =
(1 << GLIBTOP_PROC_SEGMENT_TRS) + (1 << GLIBTOP_PROC_SEGMENT_LRS) +
(1 << GLIBTOP_PROC_SEGMENT_DRS) + (1 << GLIBTOP_PROC_SEGMENT_DT) +
(1 << GLIBTOP_PROC_SEGMENT_START_CODE) + (1 << GLIBTOP_PROC_SEGMENT_END_CODE) +
(1 << GLIBTOP_PROC_SEGMENT_START_STACK);
/* Provides detailed information about a process. */
void
glibtop_get_proc_segment__r (glibtop *server, glibtop_proc_segment *buf,
pid_t pid)
{
char input [BUFSIZ], *tmp;
int nread;
FILE *f;
glibtop_init__r (&server);
memset (buf, 0, sizeof (glibtop_proc_segment));
if (pid == 0) {
/* Client is only interested in the flags. */
buf->flags = _glibtop_sysdeps_proc_segment;
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 "
"%*d %*d %*d %*d %*d %*d %*u %*u %*d %*u "
"%*u %*u %lu %lu %lu", &buf->start_code,
&buf->end_code, &buf->start_stack);
fclose (f);
sprintf (input, "/proc/%d/statm", pid);
f = fopen (input, "r");
if (!f) return;
nread = fread (input, 1, BUFSIZ, f);
if (nread < 0) {
fclose (f);
return;
}
input [nread] = 0;
sscanf (input, "%*d %*d %*d %ld %ld %ld %ld",
&buf->trs, &buf->lrs, &buf->drs, &buf->dt);
fclose (f);
buf->flags = _glibtop_sysdeps_proc_segment;
}
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