45 lines · cpp
1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s2#include "test.h"3 4// OS X doesn't have pthread_setname_np(tid, name).5// UNSUPPORTED: darwin6 7#if defined(__FreeBSD__)8#include <pthread_np.h>9#define tsan_pthread_setname_np pthread_set_name_np10#elif defined(__NetBSD__)11#define tsan_pthread_setname_np(a, b) pthread_setname_np((a), "%s", (void *)(b))12#else13#define tsan_pthread_setname_np pthread_setname_np14#endif15 16long long Global;17 18void *Thread1(void *x) {19 barrier_wait(&barrier);20 Global++;21 return 0;22}23 24void *Thread2(void *x) {25 tsan_pthread_setname_np(pthread_self(), "foobar2");26 Global--;27 barrier_wait(&barrier);28 return 0;29}30 31int main() {32 barrier_init(&barrier, 3);33 pthread_t t[2];34 pthread_create(&t[0], 0, Thread1, 0);35 pthread_create(&t[1], 0, Thread2, 0);36 tsan_pthread_setname_np(t[0], "foobar1");37 barrier_wait(&barrier);38 pthread_join(t[0], NULL);39 pthread_join(t[1], NULL);40}41 42// CHECK: WARNING: ThreadSanitizer: data race43// CHECK: Thread T1 'foobar1'44// CHECK: Thread T2 'foobar2'45