tests/tsd.c

   1 #include <assert.h>
   2 #include <pthread.h>
   3 #include <stdio.h>
   4
   5 void *ptr = NULL;
   6
   7 void destructor(void *value)
   8 {
   9         ptr = value;
  10 }
  11
  12 void *thread(void *param)
  13 {
  14         int res;
  15
  16         pthread_key_t key = *(pthread_key_t *)param;
  17         res = pthread_setspecific(key, (void *)0x12345678);
  18         assert(res == 0);
  19         void *value = pthread_getspecific(key);
  20
  21         pthread_key_t key2;
  22         res = pthread_key_create(&key, NULL);
  23         assert(res == 0);
  24         res = pthread_setspecific(key, (void *)0x55555555);
  25         assert(res == 0);
  26
  27         return value;
  28 }
  29
  30 int main(int argc, char *argv[])
  31 {
  32         int res;
  33         pthread_key_t key;
  34
  35         res = pthread_key_create(&key, destructor);
  36         assert(res == 0);
  37         printf("key = %ld\n", key);
  38
  39         pthread_t p = NULL;
  40         res = pthread_create(&p, NULL, thread, &key);
  41         assert(res == 0);
  42
  43         void *value = NULL;
  44         res = pthread_join(p, &value);
  45         printf("value = %p\n", value);
  46         printf("ptr = %p\n", ptr);
  47
  48         assert(ptr == value);
  49
  50         res = pthread_key_delete(key);
  51         assert(res == 0);
  52
  53         return 0;
  54 }
  55