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1// RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s2 3// pthread barriers are not available on OS X4// UNSUPPORTED: darwin5 6#include "test.h"7 8pthread_barrier_t B;9int Global;10 11void *Thread1(void *x) {12 pthread_barrier_init(&B, 0, 2);13 barrier_wait(&barrier);14 pthread_barrier_wait(&B);15 return NULL;16}17 18void *Thread2(void *x) {19 barrier_wait(&barrier);20 pthread_barrier_wait(&B);21 return NULL;22}23 24int main() {25 barrier_init(&barrier, 2);26 pthread_t t;27 pthread_create(&t, NULL, Thread1, NULL);28 Thread2(0);29 pthread_join(t, NULL);30 pthread_barrier_destroy(&B);31 return 0;32}33 34// CHECK: WARNING: ThreadSanitizer: data race35