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/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop 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 General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/procsegment.h>
#include <glibtop_suid.h>
#include <sys/user.h>
static const unsigned long _glibtop_sysdeps_proc_segment =
(1L << GLIBTOP_PROC_SEGMENT_TEXT_RSS) +
(1L << GLIBTOP_PROC_SEGMENT_DATA_RSS) +
(1L << GLIBTOP_PROC_SEGMENT_START_CODE) +
(1L << GLIBTOP_PROC_SEGMENT_END_CODE) +
(1L << GLIBTOP_PROC_SEGMENT_START_STACK);
/* Init function. */
void
glibtop_init_proc_segment_p (glibtop *server)
{
server->sysdeps.proc_segment = _glibtop_sysdeps_proc_segment;
}
/* Provides detailed information about a process. */
void
glibtop_get_proc_segment_p (glibtop *server, glibtop_proc_segment *buf,
pid_t pid)
{
int ret;
struct user u;
glibtop_init_p (server, GLIBTOP_SYSDEPS_PROC_SEGMENT, 0);
memset (buf, 0, sizeof (glibtop_proc_segment));
/* !!! THE FOLLOWING CODE RUNS SUID ROOT - CHANGE WITH CAUTION !!! */
glibtop_suid_enter (server);
ret = table (TBL_UAREA, pid, (char *) &u, 1,
sizeof (struct user));
glibtop_suid_leave (server);
/* !!! END OF SUID ROOT PART !!! */
if (ret != 1) return;
buf->start_code = (unsigned long) u.u_text_start;
buf->end_code = (unsigned long) u.u_data_start;
buf->start_stack = (unsigned long) u.u_stack_start;
buf->text_rss = u.u_tsize;
buf->data_rss = u.u_dsize;
buf->flags = _glibtop_sysdeps_proc_segment;
}
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