linuxthreads/Examples/ex15.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <sys/types.h>
   4 #include <sys/wait.h>
   5 #include <pthread.h>
   6 #include <unistd.h>
   7
   8 static void *worker (void *dummy) __attribute__ ((__noreturn__));
   9
  10 static void *
  11 worker (void *dummy)
  12 {
  13   exit (26);
  14 }
  15
  16 #define TEST_FUNCTION do_test ()
  17 #define TIMEOUT 10
  18 static int
  19 do_test (void)
  20 {
  21   pthread_t th;
  22   pid_t pid;
  23   int status;
  24
  25   switch ((pid = fork ()))
  26     {
  27     case -1:
  28       puts ("Could not fork");
  29       exit (1);
  30     case 0:
  31       if (pthread_create(&th, NULL, worker, NULL) != 0)
  32         {
  33           puts ("Failed to start thread");
  34           exit (1);
  35         }
  36       for (;;);
  37       exit (1);
  38     default:
  39       break;
  40     }
  41
  42   if (waitpid (pid, &status, 0) != pid)
  43     {
  44       puts ("waitpid failed");
  45       exit (1);
  46     }
  47
  48   if (!WIFEXITED (status) || WEXITSTATUS (status) != 26)
  49     {
  50       printf ("Wrong exit code %d\n", status);
  51       exit (1);
  52     }
  53
  54   puts ("All OK");
  55   return 0;
  56 }
  57
  58 #include "../../test-skeleton.c"