1 // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
2 // CHECK-NOT: WARNING
3 // CHECK: OK
4 // This test is failing on powerpc64 (VMA=44). After calling pthread_cancel,
5 // the Thread-specific data destructors are not called, so the destructor
6 // "thread_finalize" (defined in tsan_interceptors.cpp) can not set the status
7 // of the thread to "ThreadStatusFinished" failing a check in "SetJoined"
8 // (defined in sanitizer_thread_registry.cpp). It might seem a bug on glibc,
9 // however the same version GLIBC-2.17 will not make fail the test on
10 // powerpc64 BE (VMA=46)
11 // UNSUPPORTED: powerpc64-unknown-linux-gnu
12
13 #include "test.h"
14
15 pthread_mutex_t m;
16 pthread_cond_t c;
17 int x;
18
my_cleanup(void * arg)19 static void my_cleanup(void *arg) {
20 printf("my_cleanup\n");
21 pthread_mutex_unlock((pthread_mutex_t*)arg);
22 }
23
thr1(void * p)24 void *thr1(void *p) {
25 pthread_mutex_lock(&m);
26 pthread_cleanup_push(my_cleanup, &m);
27 barrier_wait(&barrier);
28 while (x == 0)
29 pthread_cond_wait(&c, &m);
30 pthread_cleanup_pop(1);
31 return 0;
32 }
33
main()34 int main() {
35 barrier_init(&barrier, 2);
36
37 pthread_t th;
38
39 pthread_mutex_init(&m, 0);
40 pthread_cond_init(&c, 0);
41
42 pthread_create(&th, 0, thr1, 0);
43 barrier_wait(&barrier);
44 sleep(1); // let it block on cond var
45 pthread_cancel(th);
46
47 pthread_join(th, 0);
48 pthread_mutex_lock(&m);
49 pthread_mutex_unlock(&m);
50 fprintf(stderr, "OK\n");
51 }
52