1*bcaeed49SFangrui Song // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
2*bcaeed49SFangrui Song #include <pthread.h>
3*bcaeed49SFangrui Song #include <stdio.h>
4*bcaeed49SFangrui Song
5*bcaeed49SFangrui Song struct A {
AA6*bcaeed49SFangrui Song A() {
7*bcaeed49SFangrui Song pthread_mutex_init(&m, 0);
8*bcaeed49SFangrui Song pthread_cond_init(&c, 0);
9*bcaeed49SFangrui Song signaled = false;
10*bcaeed49SFangrui Song }
FA11*bcaeed49SFangrui Song virtual void F() {
12*bcaeed49SFangrui Song }
DoneA13*bcaeed49SFangrui Song void Done() {
14*bcaeed49SFangrui Song pthread_mutex_lock(&m);
15*bcaeed49SFangrui Song signaled = true;
16*bcaeed49SFangrui Song pthread_cond_signal(&c);
17*bcaeed49SFangrui Song pthread_mutex_unlock(&m);
18*bcaeed49SFangrui Song }
~AA19*bcaeed49SFangrui Song virtual ~A() {
20*bcaeed49SFangrui Song }
21*bcaeed49SFangrui Song pthread_mutex_t m;
22*bcaeed49SFangrui Song pthread_cond_t c;
23*bcaeed49SFangrui Song bool signaled;
24*bcaeed49SFangrui Song };
25*bcaeed49SFangrui Song
26*bcaeed49SFangrui Song struct B : A {
FB27*bcaeed49SFangrui Song virtual void F() {
28*bcaeed49SFangrui Song }
~BB29*bcaeed49SFangrui Song virtual ~B() {
30*bcaeed49SFangrui Song pthread_mutex_lock(&m);
31*bcaeed49SFangrui Song while (!signaled)
32*bcaeed49SFangrui Song pthread_cond_wait(&c, &m);
33*bcaeed49SFangrui Song pthread_mutex_unlock(&m);
34*bcaeed49SFangrui Song }
35*bcaeed49SFangrui Song };
36*bcaeed49SFangrui Song
37*bcaeed49SFangrui Song static A *obj = new B;
38*bcaeed49SFangrui Song
Thread1(void * x)39*bcaeed49SFangrui Song void *Thread1(void *x) {
40*bcaeed49SFangrui Song obj->F();
41*bcaeed49SFangrui Song obj->Done();
42*bcaeed49SFangrui Song return NULL;
43*bcaeed49SFangrui Song }
44*bcaeed49SFangrui Song
Thread2(void * x)45*bcaeed49SFangrui Song void *Thread2(void *x) {
46*bcaeed49SFangrui Song delete obj;
47*bcaeed49SFangrui Song return NULL;
48*bcaeed49SFangrui Song }
49*bcaeed49SFangrui Song
main()50*bcaeed49SFangrui Song int main() {
51*bcaeed49SFangrui Song pthread_t t[2];
52*bcaeed49SFangrui Song pthread_create(&t[0], NULL, Thread1, NULL);
53*bcaeed49SFangrui Song pthread_create(&t[1], NULL, Thread2, NULL);
54*bcaeed49SFangrui Song pthread_join(t[0], NULL);
55*bcaeed49SFangrui Song pthread_join(t[1], NULL);
56*bcaeed49SFangrui Song fprintf(stderr, "PASS\n");
57*bcaeed49SFangrui Song }
58*bcaeed49SFangrui Song // CHECK: PASS
59*bcaeed49SFangrui Song // CHECK-NOT: WARNING: ThreadSanitizer: data race
60