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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 <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/mem.h>
#include <sys/vm.h>
#include <mach.h>
#include <mach/mach_types.h>
#include <mach/vm_statistics.h>
static const unsigned long _glibtop_sysdeps_mem =
(1L << GLIBTOP_MEM_TOTAL) + (1L << GLIBTOP_MEM_USED) +
(1L << GLIBTOP_MEM_FREE);
/* Init function. */
void
glibtop_init_mem_s (glibtop *server)
{
server->sysdeps.mem = _glibtop_sysdeps_mem;
}
/* Provides information about memory usage. */
void
glibtop_get_mem_s (glibtop *server, glibtop_mem *buf)
{
vm_statistics_data_t vmstats;
glibtop_init_s (&server, GLIBTOP_SYSDEPS_MEM, 0);
memset (buf, 0, sizeof (glibtop_mem));
buf->flags = _glibtop_sysdeps_mem;
(void) vm_statistics(task_self(), &vmstats);
buf->free = vmstats.free_count * vmstats.pagesize;
buf->used = vmstats.active_count * vmstats.pagesize;
/* [FIXME]: Is this correct? */
buf->total = (vmstats.active_count + vmstats.inactive_count +
vmstats.free_count + vmstats.wire_count) *
vmstats.pagesize;
}
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