external/gpl2/lvm2/dist/test/not.c

   1 /*      $NetBSD$        */
   2
   3 #include <unistd.h>
   4 #include <stdio.h>
   5 #include <stdarg.h>
   6 #include <sys/types.h>
   7 #include <sys/wait.h>
   8
   9 int main(int args, char **argv) {
  10         pid_t pid;
  11         int status;
  12         int FAILURE = 6;
  13
  14         if (args < 2) {
  15                 fprintf(stderr, "Need args\n");
  16                 return FAILURE;
  17         }
  18
  19         pid = fork();
  20         if (pid == -1) {
  21                 fprintf(stderr, "Could not fork\n");
  22                 return FAILURE;
  23         } else if (pid == 0) {  /* child */
  24                 execvp(argv[1], &argv[1]);
  25                 /* should not be accessible */
  26                 return FAILURE;
  27         } else {                /* parent */
  28                 waitpid(pid, &status, 0);
  29                 if (!WIFEXITED(status)) {
  30                         if (WIFSIGNALED(status))
  31                                 fprintf(stderr,
  32                                         "Process %d died of signal %d.\n",
  33                                         pid, WTERMSIG(status));
  34                         /* did not exit correctly */
  35                         return FAILURE;
  36                 }
  37                 /* return the opposite */
  38                 return !WEXITSTATUS(status);
  39         }
  40         /* not accessible */
  41         return FAILURE;
  42 }