1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t 2>&1 | FileCheck %s 2 #include "test.h" 3 4 int Global; 5 Thread1(void * x)6void *Thread1(void *x) { 7 barrier_wait(&barrier); 8 Global++; 9 return NULL; 10 } 11 Thread2(void * x)12void *Thread2(void *x) { 13 Global--; 14 barrier_wait(&barrier); 15 return NULL; 16 } 17 main()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