test_cond_wait_simple.c

   1 #include <pthread.h>
   2 #include <stdbool.h>
   3 #include <stdio.h>
   4
   5 pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
   6 pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
   7
   8 bool done = false;
   9
  10 void* signaller(void* arg)
  11 {
  12   while(!done)
  13   {
  14     pthread_cond_signal(&cond);
  15   }
  16 }
  17
  18 int main()
  19 {
  20   pthread_t thread;
  21   pthread_create(&thread, NULL, &signaller, NULL);
  22   pthread_cond_wait(&cond, &mutex);
  23   done = 1;
  24   pthread_join(thread, NULL);
  25   return 0;
  26 }