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-rw-r--r--sysdeps/linux/shm_limits.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/sysdeps/linux/shm_limits.c b/sysdeps/linux/shm_limits.c
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+/* $Id$ */
+
+/* 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 <glibtop/shm_limits.h>
+
+#include <sys/ipc.h>
+#include <sys/shm.h>
+
+static unsigned long _glibtop_sysdeps_shm_limits =
+(1L << GLIBTOP_IPC_SHMMAX) + (1L << GLIBTOP_IPC_SHMMIN) +
+(1L << GLIBTOP_IPC_SHMMNI) + (1L << GLIBTOP_IPC_SHMSEG) +
+(1L << GLIBTOP_IPC_SHMALL);
+
+/* Init function. */
+
+void
+glibtop_init_shm_limits_s (glibtop *server)
+{
+ server->sysdeps.shm_limits = _glibtop_sysdeps_shm_limits;
+}
+
+/* Provides information about sysv ipc limits. */
+
+void
+glibtop_get_shm_limits_s (glibtop *server, glibtop_shm_limits *buf)
+{
+ struct shminfo shminfo;
+
+ glibtop_init_s (&server, GLIBTOP_SYSDEPS_SHM_LIMITS, 0);
+
+ memset (buf, 0, sizeof (glibtop_shm_limits));
+
+ buf->flags = _glibtop_sysdeps_shm_limits;
+
+ shmctl (0, IPC_INFO, (struct shmid_ds *) &shminfo);
+
+ buf->shmmax = shminfo.shmmax;
+ buf->shmmin = shminfo.shmmin;
+ buf->shmmni = shminfo.shmmni;
+ buf->shmseg = shminfo.shmseg;
+ buf->shmall = shminfo.shmall;
+}