none/tests/pth_cancel1.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <pthread.h>
   4 #include <unistd.h>
   5
   6 static void thread_cleanup(void *arg)
   7 {
   8   printf("cleaning up 0x%lx\n", (long)arg);
   9
  10   return;
  11 }
  12
  13 static void *thread_main(void *arg)
  14 {
  15   pthread_cleanup_push(thread_cleanup, (void *)0x1234);
  16   pthread_cleanup_push(thread_cleanup, (void *)0x5678);
  17
  18   if (pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL) != 0)
  19     {
  20       perror("pthread_setcanceltype");
  21       return NULL;
  22     }
  23
  24   if (pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
  25     {
  26       perror("pthread_setcancelstate");
  27       return NULL;
  28     }
  29
  30   pause();
  31
  32   pthread_cleanup_pop(0);
  33   pthread_cleanup_pop(0);
  34
  35   return NULL;
  36 }
  37
  38 int main(int argc, char **argv)
  39 {
  40   pthread_t tid;
  41   void *result;
  42
  43   if (pthread_create(&tid, NULL, thread_main, NULL) != 0)
  44     {
  45       perror("pthread_create");
  46       exit(1);
  47     }
  48
  49   sleep(1);
  50
  51   if (pthread_cancel(tid) != 0)
  52     {
  53       perror("pthread_cancel");
  54       exit(1);
  55     }
  56
  57   if (pthread_join(tid, &result) != 0)
  58     {
  59       perror("pthread_join");
  60       exit(1);
  61     }
  62
  63   printf("result is %s\n", result == PTHREAD_CANCELED ? "correct" : "incorrect");
  64
  65   exit(0);
  66 }