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root/i-scream/projects/libstatgrab/examples/cpu_usage.c
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Comparing projects/libstatgrab/examples/cpu_usage.c (file contents):
Revision 1.1 by pajs, Thu Jun 5 14:45:39 2003 UTC vs.
Revision 1.7 by tdb, Mon Jan 19 16:49:19 2004 UTC

# Line 1 | Line 1
1   /*
2   * i-scream central monitoring system
3 < * http://www.i-scream.org.uk
4 < * Copyright (C) 2000-2002 i-scream
3 > * http://www.i-scream.org
4 > * Copyright (C) 2000-2004 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
# Line 16 | Line 16
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 + * $Id$
21   */
22  
23   #include <stdio.h>
# Line 24 | Line 26
26   #include <unistd.h>
27  
28   int main(int argc, char **argv){
29 <        
29 >
30          extern char *optarg;
31 <        extern int optind;
32 <        int c;
31 >        extern int optind;
32 >        int c;
33  
34          int delay = 1;
35          cpu_percent_t *cpu_percent;
36  
37 <        /* Throw away the first reading as thats averaged over the machines uptime */
38 <        cpu_percent = cpu_percent_usage();
39 <
40 <        while ((c = getopt(argc, argv, "d:")) != EOF){
41 <                switch (c){
40 <                        case 'd':
41 <                                delay = atoi(optarg);
42 <                                break;
37 >        while ((c = getopt(argc, argv, "d:")) != -1){
38 >                switch (c){
39 >                        case 'd':
40 >                                delay = atoi(optarg);
41 >                                break;
42                  }
43          }
44  
45 <         /* Clear the screen ready for display the cpu usage */
46 <        printf("\033[2J");
45 >        /* Initialise statgrab */
46 >        statgrab_init();
47  
48 +        /* Drop setuid/setgid privileges. */
49 +        if (statgrab_drop_privileges() != 0) {
50 +                perror("Error. Failed to drop privileges");
51 +                return 1;
52 +        }
53 +
54 +        /* Throw away the first reading as thats averaged over the machines uptime */
55 +        cpu_percent = cpu_percent_usage();
56 +
57 +        /* Clear the screen ready for display the cpu usage */
58 +        printf("\033[2J");
59 +
60          while( (cpu_percent = cpu_percent_usage()) != NULL){
61                  printf("\033[2;2H%-12s : %6.2f", "User CPU", cpu_percent->user);
62                  printf("\033[3;2H%-12s : %6.2f", "Kernel CPU", cpu_percent->kernel);
# Line 59 | Line 70 | int main(int argc, char **argv){
70  
71          exit(0);
72   }
62
63
64

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