9049a19434
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.
80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/* $Id$ */
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/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the Gnome Top Library.
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Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
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The Gnome Top Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The Gnome Top Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <glibtop.h>
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#include <glibtop/sem_limits.h>
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#include <glibtop_suid.h>
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/* #define KERNEL to get declaration of `struct seminfo'. */
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#define KERNEL
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#include <sys/ipc.h>
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#include <sys/sem.h>
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static unsigned long _glibtop_sysdeps_sem_limits =
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(1 << GLIBTOP_IPC_SEMMAP) + (1 << GLIBTOP_IPC_SEMMNI) +
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(1 << GLIBTOP_IPC_SEMMNS) + (1 << GLIBTOP_IPC_SEMMNU) +
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(1 << GLIBTOP_IPC_SEMMSL) + (1 << GLIBTOP_IPC_SEMOPM) +
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(1 << GLIBTOP_IPC_SEMUME) + (1 << GLIBTOP_IPC_SEMUSZ) +
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(1 << GLIBTOP_IPC_SEMVMX) + (1 << GLIBTOP_IPC_SEMAEM);
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/* Provides information about sysv sem limits. */
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void
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glibtop_get_sem_limits_p (glibtop *server, glibtop_sem_limits *buf)
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{
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struct seminfo seminfo;
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glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_SEM_LIMITS), 0);
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memset (buf, 0, sizeof (glibtop_sem_limits));
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/* !!! THE FOLLOWING CODE RUNS SGID KMEM - CHANGE WITH CAUTION !!! */
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setregid (server->machine.gid, server->machine.egid);
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/* get the load average array */
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(void) _glibtop_getkval (server, _glibtop_nlist [X_SEMINFO].n_value,
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(int *) &seminfo, sizeof (seminfo),
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_glibtop_nlist [X_SEMINFO].n_name);
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if (setregid (server->machine.egid, server->machine.gid))
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_exit (1);
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/* !!! END OF SGID KMEM PART !!! */
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buf->semmap = seminfo.semmap;
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buf->semmni = seminfo.semmni;
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buf->semmns = seminfo.semmns;
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buf->semmnu = seminfo.semmnu;
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buf->semmsl = seminfo.semmsl;
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buf->semopm = seminfo.semopm;
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buf->semume = seminfo.semume;
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buf->semusz = seminfo.semusz;
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buf->semvmx = seminfo.semvmx;
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buf->semaem = seminfo.semaem;
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buf->flags = _glibtop_sysdeps_sem_limits;
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}
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