1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t 2>&1 | FileCheck %s 2#include "test.h" 3 4int Global; 5 6void *Thread1(void *x) { 7 barrier_wait(&barrier); 8 Global++; 9 return NULL; 10} 11 12void *Thread2(void *x) { 13 Global--; 14 barrier_wait(&barrier); 15 return NULL; 16} 17 18int main() { 19 barrier_init(&barrier, 2); 20 pthread_t t[2]; 21 pthread_create(&t[0], NULL, Thread1, NULL); 22 pthread_create(&t[1], NULL, Thread2, NULL); 23 pthread_join(t[0], NULL); 24 pthread_join(t[1], NULL); 25 return 0; 26} 27 28// CHECK: WARNING: ThreadSanitizer: data race 29// CHECK: SUMMARY: ThreadSanitizer: data race{{.*}}Thread 30