8e540b8fc0
1998-08-25 Martin Baulig <martin@home-of-linux.org> * *.c (glibtop_init_p): Using correct `(1 << GLIBTOP_SYSDPES_*)'. (<glibtop_suid.h>): Include. * glibtop_suid.h: New file. * ChangeLog: New file.
73 lines
2.2 KiB
C
73 lines
2.2 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/shm_limits.h>
|
|
|
|
#include <glibtop_suid.h>
|
|
|
|
/* #define KERNEL to get declaration of `struct shminfo'. */
|
|
|
|
#define KERNEL
|
|
|
|
#include <sys/ipc.h>
|
|
#include <sys/shm.h>
|
|
|
|
static unsigned long _glibtop_sysdeps_shm_limits =
|
|
(1 << GLIBTOP_IPC_SHMMAX) + (1 << GLIBTOP_IPC_SHMMIN) +
|
|
(1 << GLIBTOP_IPC_SHMMNI) + (1 << GLIBTOP_IPC_SHMSEG) +
|
|
(1 << GLIBTOP_IPC_SHMALL);
|
|
|
|
/* Provides information about sysv ipc limits. */
|
|
|
|
void
|
|
glibtop_get_shm_limits_p (glibtop *server, glibtop_shm_limits *buf)
|
|
{
|
|
struct shminfo shminfo;
|
|
|
|
glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_SHM_LIMITS), 0);
|
|
|
|
memset (buf, 0, sizeof (glibtop_shm_limits));
|
|
|
|
/* !!! THE FOLLOWING CODE RUNS SGID KMEM - CHANGE WITH CAUTION !!! */
|
|
|
|
setregid (server->machine.gid, server->machine.egid);
|
|
|
|
/* get the load average array */
|
|
|
|
(void) _glibtop_getkval (server, _glibtop_nlist [X_SHMINFO].n_value,
|
|
(int *) &shminfo, sizeof (shminfo),
|
|
_glibtop_nlist [X_SHMINFO].n_name);
|
|
|
|
if (setregid (server->machine.egid, server->machine.gid))
|
|
_exit (1);
|
|
|
|
/* !!! END OF SGID KMEM PART !!! */
|
|
|
|
buf->shmmax = shminfo.shmmax;
|
|
buf->shmmin = shminfo.shmmin;
|
|
buf->shmmni = shminfo.shmmni;
|
|
buf->shmseg = shminfo.shmseg;
|
|
buf->shmall = shminfo.shmall;
|
|
|
|
buf->flags = _glibtop_sysdeps_shm_limits;
|
|
}
|