04a5531a46
2007-02-20 Benoît Dejean <benoit@placenet.org> * *: Removed noisy $Id$. svn path=/trunk/; revision=2558
91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
/* Copyright (C) 1998 Joshua Sled
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This file is part of LibGTop 1.0.
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Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
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LibGTop is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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LibGTop is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with LibGTop; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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#include <config.h>
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#include <glibtop.h>
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#include <glibtop/error.h>
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#include <glibtop/mem.h>
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#include <sys/types.h>
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#include <sys/sysctl.h>
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static const unsigned long _glibtop_sysdeps_mem =
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(1L << GLIBTOP_MEM_TOTAL) + (1L << GLIBTOP_MEM_USED) +
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(1L << GLIBTOP_MEM_FREE) + (1L << GLIBTOP_MEM_SHARED) +
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(1L << GLIBTOP_MEM_BUFFER) + (1L << GLIBTOP_MEM_CACHED) +
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(1L << GLIBTOP_MEM_USER);
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/* these are for getting the memory statistics */
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static int pagesize;
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/* Init function. */
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void
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glibtop_init_mem_s (glibtop *server)
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{
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pagesize = getpagesize ();
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server->sysdeps.mem = _glibtop_sysdeps_mem;
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}
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void
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glibtop_get_mem_s (glibtop *server, glibtop_mem *buf)
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{
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gulong memtotal;
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guint memused;
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gulong buffers;
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guint cached;
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size_t len;
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glibtop_init_s (&server, GLIBTOP_SYSDEPS_MEM, 0);
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memset (buf, 0, sizeof *buf);
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len = sizeof (memtotal);
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if (sysctlbyname ("hw.physmem", &memtotal, &len, NULL, 0)) {
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glibtop_warn_io_r (server, "sysctl (hw.physmem)");
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return;
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}
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len = sizeof (memused);
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if (sysctlbyname ("vm.stats.vm.v_wire_count", &memused, &len, NULL, 0)) {
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glibtop_warn_io_r (server, "sysctl (vm.stats.vm.v_wire_count)");
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return;
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}
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len = sizeof (cached);
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if (sysctlbyname ("vm.stats.vm.v_cache_count", &cached, &len, NULL, 0)) {
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glibtop_warn_io_r (server, "sysctl (vm.stats.vm.v_cache_count)");
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return;
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}
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buffers = 0;
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buf->total = memtotal;
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buf->used = (memused * pagesize);
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buf->free = (buf->total - buf->used);
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buf->shared = 0;
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buf->cached = (cached * pagesize);
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buf->buffer = buffers;
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buf->user = buf->total - buf->free - buf->cached - buf->buffer;
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buf->flags = _glibtop_sysdeps_mem;
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}
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