1*bcaeed49SFangrui Song // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2*bcaeed49SFangrui Song #include "test.h"
3*bcaeed49SFangrui Song #include <semaphore.h>
4*bcaeed49SFangrui Song
5*bcaeed49SFangrui Song struct A {
AA6*bcaeed49SFangrui Song A() {
7*bcaeed49SFangrui Song sem_init(&sem_, 0, 0);
8*bcaeed49SFangrui Song }
FA9*bcaeed49SFangrui Song virtual void F() {
10*bcaeed49SFangrui Song }
DoneA11*bcaeed49SFangrui Song void Done() {
12*bcaeed49SFangrui Song sem_post(&sem_);
13*bcaeed49SFangrui Song }
~AA14*bcaeed49SFangrui Song virtual ~A() {
15*bcaeed49SFangrui Song sem_wait(&sem_);
16*bcaeed49SFangrui Song sem_destroy(&sem_);
17*bcaeed49SFangrui Song }
18*bcaeed49SFangrui Song sem_t sem_;
19*bcaeed49SFangrui Song };
20*bcaeed49SFangrui Song
21*bcaeed49SFangrui Song struct B : A {
FB22*bcaeed49SFangrui Song virtual void F() {
23*bcaeed49SFangrui Song }
~BB24*bcaeed49SFangrui Song virtual ~B() { }
25*bcaeed49SFangrui Song };
26*bcaeed49SFangrui Song
27*bcaeed49SFangrui Song static A *obj = new B;
28*bcaeed49SFangrui Song static void (A::*fn)() = &A::F;
29*bcaeed49SFangrui Song
Thread1(void * x)30*bcaeed49SFangrui Song void *Thread1(void *x) {
31*bcaeed49SFangrui Song (obj->*fn)();
32*bcaeed49SFangrui Song barrier_wait(&barrier);
33*bcaeed49SFangrui Song obj->Done();
34*bcaeed49SFangrui Song return NULL;
35*bcaeed49SFangrui Song }
36*bcaeed49SFangrui Song
Thread2(void * x)37*bcaeed49SFangrui Song void *Thread2(void *x) {
38*bcaeed49SFangrui Song barrier_wait(&barrier);
39*bcaeed49SFangrui Song delete obj;
40*bcaeed49SFangrui Song return NULL;
41*bcaeed49SFangrui Song }
42*bcaeed49SFangrui Song
main()43*bcaeed49SFangrui Song int main() {
44*bcaeed49SFangrui Song barrier_init(&barrier, 2);
45*bcaeed49SFangrui Song pthread_t t[2];
46*bcaeed49SFangrui Song pthread_create(&t[0], NULL, Thread1, NULL);
47*bcaeed49SFangrui Song pthread_create(&t[1], NULL, Thread2, NULL);
48*bcaeed49SFangrui Song pthread_join(t[0], NULL);
49*bcaeed49SFangrui Song pthread_join(t[1], NULL);
50*bcaeed49SFangrui Song }
51*bcaeed49SFangrui Song
52*bcaeed49SFangrui Song // CHECK: WARNING: ThreadSanitizer: data race on vptr
53*bcaeed49SFangrui Song
54