forked from OSchip/llvm-project
38 lines
721 B
C
38 lines
721 B
C
// RUN: %clang_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s
|
|
// CHECK-NOT: WARNING
|
|
// CHECK: OK
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <pthread.h>
|
|
#include <unistd.h>
|
|
|
|
pthread_mutex_t m;
|
|
pthread_cond_t c;
|
|
int x;
|
|
|
|
void *thr1(void *p) {
|
|
pthread_mutex_lock(&m);
|
|
pthread_cleanup_push((void(*)(void *arg))pthread_mutex_unlock, &m);
|
|
while (x == 0)
|
|
pthread_cond_wait(&c, &m);
|
|
pthread_cleanup_pop(1);
|
|
return 0;
|
|
}
|
|
|
|
int main() {
|
|
pthread_t th;
|
|
|
|
pthread_mutex_init(&m, 0);
|
|
pthread_cond_init(&c, 0);
|
|
|
|
pthread_create(&th, 0, thr1, 0);
|
|
sleep(1); // let it block on cond var
|
|
pthread_cancel(th);
|
|
|
|
pthread_join(th, 0);
|
|
pthread_mutex_lock(&m);
|
|
pthread_mutex_unlock(&m);
|
|
fprintf(stderr, "OK\n");
|
|
}
|