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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 1.3 by ats, Fri Nov 7 18:43:56 2003 UTC vs.
Revision 1.8 by tdb, Sun Apr 4 22:48:49 2004 UTC

# Line 1 | Line 1
1   /*
2   * i-scream central monitoring system
3   * http://www.i-scream.org
4 < * Copyright (C) 2000-2003 i-scream
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;
30 <        int c;
31 >        int c;
32  
33          int delay = 1;
34          cpu_percent_t *cpu_percent;
35  
35 –        /* Throw away the first reading as thats averaged over the machines uptime */
36 –        cpu_percent = cpu_percent_usage();
37 –
36          while ((c = getopt(argc, argv, "d:")) != -1){
37 <                switch (c){
38 <                        case 'd':
39 <                                delay = atoi(optarg);
40 <                                break;
37 >                switch (c){
38 >                        case 'd':
39 >                                delay = atoi(optarg);
40 >                                break;
41                  }
42          }
43  
44 <         /* Clear the screen ready for display the cpu usage */
45 <        printf("\033[2J");
44 >        /* Initialise statgrab */
45 >        statgrab_init();
46  
47 +        /* Drop setuid/setgid privileges. */
48 +        if (statgrab_drop_privileges() != 0) {
49 +                perror("Error. Failed to drop privileges");
50 +                return 1;
51 +        }
52 +
53 +        /* Throw away the first reading as thats averaged over the machines uptime */
54 +        cpu_percent = cpu_percent_usage();
55 +
56 +        /* Clear the screen ready for display the cpu usage */
57 +        printf("\033[2J");
58 +
59          while( (cpu_percent = cpu_percent_usage()) != NULL){
60                  printf("\033[2;2H%-12s : %6.2f", "User CPU", cpu_percent->user);
61                  printf("\033[3;2H%-12s : %6.2f", "Kernel CPU", cpu_percent->kernel);
# Line 59 | Line 69 | int main(int argc, char **argv){
69  
70          exit(0);
71   }
62 –
63 –
64 –

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