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root/i-scream/projects/libstatgrab/src/libstatgrab/process_stats.c
Revision: 1.3
Committed: Sat Mar 1 02:12:59 2003 UTC (21 years, 2 months ago) by pajs
Content type: text/plain
Branch: MAIN
Changes since 1.2: +0 -1 lines
Log Message:
Removed debugging printf

File Contents

# Content
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 <stdlib.h>
27 #include <unistd.h>
28 #include "statgrab.h"
29
30 #ifdef SOLARIS
31 #include <procfs.h>
32 #include <limits.h>
33 #include <dirent.h>
34 #include <string.h>
35 #define PROC_LOCATION "/proc"
36 #define MAX_FILE_LENGTH PATH_MAX
37 #endif
38
39 process_stat_t *get_process_stats(){
40
41 static process_stat_t process_stat;
42
43 psinfo_t process_info;
44 DIR *proc_dir;
45 struct dirent *dir_entry;
46 char filename[MAX_FILE_LENGTH];
47 FILE *f;
48
49 process_stat.sleeping=0;
50 process_stat.running=0;
51 process_stat.zombie=0;
52 process_stat.stopped=0;
53 process_stat.running=0;
54
55 if((proc_dir=opendir(PROC_LOCATION))==NULL){
56 return NULL;
57 }
58
59 while((dir_entry=readdir(proc_dir))!=NULL){
60 if(atoi(dir_entry->d_name) == 0) continue;
61 snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name);
62
63 if((f=fopen(filename, "r"))==NULL){
64 /* Open failed.. Process since vanished, or the path was too long.
65 * Ah well, move onwards to the next one */
66 continue;
67 }
68
69 fread(&process_info, sizeof(psinfo_t), 1, f);
70 fclose(f);
71
72 if(process_info.pr_lwp.pr_state==1) process_stat.sleeping++;
73 if(process_info.pr_lwp.pr_state==2) process_stat.running++;
74 if(process_info.pr_lwp.pr_state==3) process_stat.zombie++;
75 if(process_info.pr_lwp.pr_state==4) process_stat.stopped++;
76 if(process_info.pr_lwp.pr_state==6) process_stat.running++;
77 }
78
79 closedir(proc_dir);
80
81 return &process_stat;
82 }