You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
36 lines
746 B
36 lines
746 B
// RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
|
|
|
|
// pthread barriers are not available on OS X
|
|
// UNSUPPORTED: darwin
|
|
|
|
#include <pthread.h>
|
|
#include <stdio.h>
|
|
#include <stddef.h>
|
|
#include <unistd.h>
|
|
|
|
pthread_barrier_t B;
|
|
int Global;
|
|
|
|
void *Thread1(void *x) {
|
|
if (pthread_barrier_wait(&B) == PTHREAD_BARRIER_SERIAL_THREAD)
|
|
pthread_barrier_destroy(&B);
|
|
return NULL;
|
|
}
|
|
|
|
void *Thread2(void *x) {
|
|
if (pthread_barrier_wait(&B) == PTHREAD_BARRIER_SERIAL_THREAD)
|
|
pthread_barrier_destroy(&B);
|
|
return NULL;
|
|
}
|
|
|
|
int main() {
|
|
pthread_barrier_init(&B, 0, 2);
|
|
pthread_t t;
|
|
pthread_create(&t, NULL, Thread1, NULL);
|
|
Thread2(0);
|
|
pthread_join(t, NULL);
|
|
return 0;
|
|
}
|
|
|
|
// CHECK: WARNING: ThreadSanitizer: data race
|