Initial revision

sysdeps/linux/shm_limits.c

@@ -0,0 +1,52 @@
+/* $Id$ */
+
+/* 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/shm_limits.h>
+
+#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__r (glibtop *server, glibtop_shm_limits *buf)
+{
+	struct shminfo	shminfo;
+  
+	glibtop_init__r (&server);
+
+	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;
+}