1 files changed, 81 insertions, 0 deletions
diff --git a/sysdeps/linux/mem.c b/sysdeps/linux/mem.c
new file mode 100644
index 00000000..53b0f6a8
--- /dev/null
+++ b/sysdeps/linux/mem.c
@@ -0,0 +1,81 @@
+/* $Id$ */
+
+/* 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 <config.h>
+#include <glibtop/error.h>
+#include <glibtop/mem.h>
+
+static const unsigned long _glibtop_sysdeps_mem =
+(1L << GLIBTOP_MEM_TOTAL) + (1L << GLIBTOP_MEM_USED) +
+(1L << GLIBTOP_MEM_FREE) + (1L << GLIBTOP_MEM_SHARED) +
+(1L << GLIBTOP_MEM_BUFFER) + (1L << GLIBTOP_MEM_CACHED) +
+(1L << GLIBTOP_MEM_USER);
+
+/* Init function. */
+
+void
+glibtop_init_mem_s (glibtop *server)
+{
+	server->sysdeps.mem = _glibtop_sysdeps_mem;
+}
+
+/* Provides information about memory usage. */
+
+#define FILENAME	"/proc/meminfo"
+
+void
+glibtop_get_mem_s (glibtop *server, glibtop_mem *buf)
+{
+	char buffer [BUFSIZ], *p;
+	int fd, len;
+
+	glibtop_init_s (&server, GLIBTOP_SYSDEPS_MEM, 0);
+
+	memset (buf, 0, sizeof (glibtop_mem));
+
+	fd = open (FILENAME, O_RDONLY);
+	if (fd < 0)
+		glibtop_error_io_r (server, "open (%s)", FILENAME);
+
+	len = read (fd, buffer, BUFSIZ-1);
+	if (len < 0)
+		glibtop_error_io_r (server, "read (%s)", FILENAME);
+
+	close (fd);
+
+	buffer [len] = '\0';
+
+	p = skip_line (buffer);
+	p = skip_token (p);		/* "Mem:" */
+
+	buf->total  = strtoul (p, &p, 0);
+	buf->used   = strtoul (p, &p, 0);
+	buf->free   = strtoul (p, &p, 0);
+	buf->shared = strtoul (p, &p, 0);
+	buf->buffer = strtoul (p, &p, 0);
+	buf->cached = strtoul (p, &p, 0);
+
+	buf->user = buf->total - buf->free - buf->cached - buf->buffer;
+
+	buf->flags = _glibtop_sysdeps_mem;
+}