#include <pthread.h> | |
#include <stdio.h> | |
#include <stddef.h> | |
#include <unistd.h> | |
pthread_barrier_t B; | |
int Global; | |
void *Thread1(void *x) { | |
pthread_barrier_init(&B, 0, 2); | |
pthread_barrier_wait(&B); | |
return NULL; | |
} | |
void *Thread2(void *x) { | |
usleep(1000000); | |
pthread_barrier_wait(&B); | |
return NULL; | |
} | |
int main() { | |
pthread_t t; | |
pthread_create(&t, NULL, Thread1, NULL); | |
Thread2(0); | |
pthread_join(t, NULL); | |
pthread_barrier_destroy(&B); | |
return 0; | |
} | |
// CHECK: WARNING: ThreadSanitizer: data race | |