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root/i-scream/projects/libstatgrab/src/libstatgrab/memory_stats.c
Revision: 1.4
Committed: Fri Feb 28 22:59:35 2003 UTC (21 years, 2 months ago) by tdb
Content type: text/plain
Branch: MAIN
CVS Tags: LIBSTATGRAB_0_2
Changes since 1.3: +0 -8 lines
Log Message:
Tidy up of configure script, and includes.

File Contents

# User Rev Content
1 pajs 1.1 /*
2     * i-scream central monitoring system
3     * http://www.i-scream.org.uk
4     * Copyright (C) 2000-2002 i-scream
5     *
6     * This program is free software; you can redistribute it and/or
7     * modify it under the terms of the GNU General Public License
8     * as published by the Free Software Foundation; either version 2
9     * of the License, or (at your option) any later version.
10     *
11     * This program is distributed in the hope that it will be useful,
12     * but WITHOUT ANY WARRANTY; without even the implied warranty of
13     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14     * GNU General Public License for more details.
15     *
16     * You should have received a copy of the GNU General Public License
17     * along with this program; if not, write to the Free Software
18     * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19     */
20    
21     #ifdef HAVE_CONFIG_H
22     #include "config.h"
23     #endif
24    
25     #include <stdio.h>
26     #include "statgrab.h"
27     #ifdef SOLARIS
28     #include <unistd.h>
29     #include <kstat.h>
30     #endif
31    
32     mem_stat_t *get_memory_stats(){
33    
34     static mem_stat_t mem_stat;
35    
36     #ifdef SOLARIS
37     kstat_ctl_t *kc;
38     kstat_t *ksp;
39     kstat_named_t *kn;
40     long totalmem;
41     int pagesize;
42     #endif
43    
44     #ifdef SOLARIS
45     if((pagesize=sysconf(_SC_PAGESIZE)) == -1){
46     return NULL;
47     }
48    
49     if((totalmem=sysconf(_SC_PHYS_PAGES)) == -1){
50     return NULL;
51     }
52    
53     if ((kc = kstat_open()) == NULL) {
54     return NULL;
55     }
56     if((ksp=kstat_lookup(kc, "unix", 0, "system_pages")) == NULL){
57     return NULL;
58     }
59     if (kstat_read(kc, ksp, 0) == -1) {
60     return NULL;
61     }
62     if((kn=kstat_data_lookup(ksp, "freemem")) == NULL){
63     return NULL;
64     }
65 pajs 1.2 kstat_close(kc);
66    
67 pajs 1.1 mem_stat.total = (long long)totalmem * (long long)pagesize;
68     mem_stat.free = ((long long)kn->value.ul) * (long long)pagesize;
69     mem_stat.used = mem_stat.total - mem_stat.free;
70     #endif
71    
72     return &mem_stat;
73    
74     }