60 lines · cpp
1// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s2#include <pthread.h>3#include <stdio.h>4 5struct A {6 A() {7 pthread_mutex_init(&m, 0);8 pthread_cond_init(&c, 0);9 signaled = false;10 }11 virtual void F() {12 }13 void Done() {14 pthread_mutex_lock(&m);15 signaled = true;16 pthread_cond_signal(&c);17 pthread_mutex_unlock(&m);18 }19 virtual ~A() {20 }21 pthread_mutex_t m;22 pthread_cond_t c;23 bool signaled;24};25 26struct B : A {27 virtual void F() {28 }29 virtual ~B() {30 pthread_mutex_lock(&m);31 while (!signaled)32 pthread_cond_wait(&c, &m);33 pthread_mutex_unlock(&m);34 }35};36 37static A *obj = new B;38 39void *Thread1(void *x) {40 obj->F();41 obj->Done();42 return NULL;43}44 45void *Thread2(void *x) {46 delete obj;47 return NULL;48}49 50int main() {51 pthread_t t[2];52 pthread_create(&t[0], NULL, Thread1, NULL);53 pthread_create(&t[1], NULL, Thread2, NULL);54 pthread_join(t[0], NULL);55 pthread_join(t[1], NULL);56 fprintf(stderr, "PASS\n");57}58// CHECK: PASS59// CHECK-NOT: WARNING: ThreadSanitizer: data race60