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  1. #include<stdio.h>
  2. #include<unistd.h>
  3. #include<pthread.h>
  4.  
  5. pthread_mutex_t mutex=PTHREAD_MUTEX_INITIALIZER;
  6. int done=0;
  7. pthread_cond_t cond=PTHREAD_COND_INITIALIZER;
  8.  
  9. void thr_exit(){
  10.     pthread_mutex_lock(&mutex);
  11.     done=1;
  12.     pthread_cond_signal(&cond);
  13.     usleep(20000);
  14.     pthread_mutex_unlock(&mutex);
  15.     printf("Thread exit\n");
  16. }
  17.  
  18. void *child(void *args){
  19. printf("Child\n");
  20. thr_exit();
  21. return NULL;
  22. }
  23. void thr_join(){
  24.     pthread_mutex_lock(&mutex);
  25.     while(done==0){
  26.         pthread_cond_wait(&cond,&mutex);
  27.     }
  28.     pthread_mutex_unlock(&mutex);
  29. }
  30. int main(){
  31.     pthread_t p;
  32.     printf("Parent  begin\n");
  33.     pthread_create(&p,NULL,child,NULL);
  34.     thr_join();
  35.     printf("Parent end\n");
  36. }
Success #stdin #stdout 0s 5288KB
comments (?)
stdin
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Standard input is empty
stdout
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Parent  begin
Child
Thread exit
Parent end
https://ideone.com/Me9x3j
language:
C (clang 8.0)
created:
2 days ago
visibility:
public

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