#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