Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/tsan/vptr_harmful_race.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-shouldfail "tsan" } */ /* { dg-additional-options "-ldl" } */ #include <pthread.h> #include <semaphore.h> #include <stdio.h> #include <unistd.h> #include "tsan_barrier.h" static pthread_barrier_t barrier; struct A { A() { sem_init(&sem_, 0, 0); } virtual void F() { } void Done() { sem_post(&sem_); } virtual ~A() { sem_wait(&sem_); sem_destroy(&sem_); } sem_t sem_; }; struct B : A { virtual void F() { } virtual ~B() { } }; static A *obj = new B; void *Thread1(void *x) { obj->F(); obj->Done(); barrier_wait(&barrier); return NULL; } void *Thread2(void *x) { barrier_wait(&barrier); delete obj; return NULL; } int main() { barrier_init(&barrier, 2); pthread_t t[2]; pthread_create(&t[0], NULL, Thread1, NULL); pthread_create(&t[1], NULL, Thread2, NULL); pthread_join(t[0], NULL); pthread_join(t[1], NULL); } /* { dg-output "WARNING: ThreadSanitizer: data race on vptr.*(\n|\r\n|\r)" } */