memcheck/tests/freebsd/setproctitle.c

   1 #include <sys/types.h>
   2 #include <sys/sysctl.h>
   3 #include <sys/elf_common.h>
   4 #include <sys/auxv.h>
   5 #include <unistd.h>
   6 #include <stdarg.h>
   7 #include <stdlib.h>
   8 #include <stdio.h>
   9 #include "../../../config.h"
  10
  11 int main(void)
  12 {
  13 #if defined(KERN_PS_STRINGS) && defined(AT_PS_STRINGS)
  14    unsigned long ul_ps_strings;
  15    struct ps_strings* v1;
  16    struct ps_strings* v2;
  17    struct ps_strings* v3;
  18    int name[] = {CTL_KERN, KERN_PS_STRINGS};
  19
  20    size_t struct_len = sizeof(ul_ps_strings);
  21
  22    if (sysctlbyname("kern.ps_strings", &ul_ps_strings, &struct_len, NULL, 0) < 0) {
  23       perror("sysctlbyname failed:");
  24       exit(-1);
  25    }
  26    v1 = (struct ps_strings*)ul_ps_strings;
  27
  28    (void)elf_aux_info(AT_PS_STRINGS, &v2, sizeof(v2));
  29
  30    if (sysctl(name, 2, &ul_ps_strings, &struct_len, NULL, 0) < 0) {
  31       perror("sysctl failed:");
  32       exit(-1);
  33    }
  34    v3 = (struct ps_strings*)ul_ps_strings;
  35
  36    if (v1 == v2 && v1 == v2) {
  37        printf("OK\n");
  38    } else {
  39        printf("FAIL ps_strings different\n");
  40        printf("v1 %p v2 %p v3 %p\n", v1, v2, v3);
  41    }
  42 #else
  43     printf("OK\n");
  44 #endif
  45
  46    setproctitle("foo %s %d", "bar", 42);
  47 }
  48