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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 1.2 by tdb, Sun Aug 24 20:24:09 2003 UTC vs.
Revision 1.6 by tdb, Fri Jan 16 15:54:52 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 24 | Line 24
24   #include <unistd.h>
25  
26   int main(int argc, char **argv){
27 <        
27 >
28          extern char *optarg;
29 <        extern int optind;
30 <        int c;
29 >        extern int optind;
30 >        int c;
31  
32          int delay = 1;
33          cpu_percent_t *cpu_percent;
34  
35 <        /* Throw away the first reading as thats averaged over the machines uptime */
36 <        cpu_percent = cpu_percent_usage();
37 <
38 <        while ((c = getopt(argc, argv, "d:")) != EOF){
39 <                switch (c){
40 <                        case 'd':
41 <                                delay = atoi(optarg);
42 <                                break;
35 >        while ((c = getopt(argc, argv, "d:")) != -1){
36 >                switch (c){
37 >                        case 'd':
38 >                                delay = atoi(optarg);
39 >                                break;
40                  }
41          }
42  
43 <         /* Clear the screen ready for display the cpu usage */
44 <        printf("\033[2J");
43 >        /* Initialise statgrab */
44 >        statgrab_init();
45  
46 +        /* Drop setuid/setgid privileges. */
47 +        if (statgrab_drop_privileges() != 0) {
48 +                perror("Error. Failed to drop privileges");
49 +                return 1;
50 +        }
51 +
52 +        /* Throw away the first reading as thats averaged over the machines uptime */
53 +        cpu_percent = cpu_percent_usage();
54 +
55 +        /* Clear the screen ready for display the cpu usage */
56 +        printf("\033[2J");
57 +
58          while( (cpu_percent = cpu_percent_usage()) != NULL){
59                  printf("\033[2;2H%-12s : %6.2f", "User CPU", cpu_percent->user);
60                  printf("\033[3;2H%-12s : %6.2f", "Kernel CPU", cpu_percent->kernel);
# Line 59 | Line 68 | int main(int argc, char **argv){
68  
69          exit(0);
70   }
62 –
63 –
64 –

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