27 lines · cpp
1// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s2#include "test.h"3 4int Global;5 6void *Thread(void *x) {7 AnnotateIgnoreWritesBegin(__FILE__, __LINE__);8 AnnotateIgnoreReadsBegin(__FILE__, __LINE__);9 Global = 42;10 AnnotateIgnoreReadsEnd(__FILE__, __LINE__);11 AnnotateIgnoreWritesEnd(__FILE__, __LINE__);12 barrier_wait(&barrier);13 return 0;14}15 16int main() {17 barrier_init(&barrier, 2);18 pthread_t t;19 pthread_create(&t, 0, Thread, 0);20 barrier_wait(&barrier);21 Global = 43;22 pthread_join(t, 0);23 fprintf(stderr, "OK\n");24}25 26// CHECK-NOT: WARNING: ThreadSanitizer: data race27