1 // Regression test for a leak in tsd:
2 // https://code.google.com/p/address-sanitizer/issues/detail?id=233
3 // RUN: %clangxx_asan -O1 %s -pthread -o %t
4 // RUN: %env_asan_opts=quarantine_size_mb=0 %run %t
5 // XFAIL: x86_64-netbsd
6 #include <pthread.h>
7 #include <stdio.h>
8 #include <stdlib.h>
9 #include <assert.h>
10 #include <sanitizer/allocator_interface.h>
11
12 static pthread_key_t tsd_key;
13
Thread(void *)14 void *Thread(void *) {
15 pthread_setspecific(tsd_key, malloc(10));
16 return 0;
17 }
18
19 static volatile void *v;
20
Dtor(void * tsd)21 void Dtor(void *tsd) {
22 v = malloc(10000);
23 free(tsd);
24 free((void*)v); // The bug was that this was leaking.
25 }
26
main()27 int main() {
28 assert(0 == pthread_key_create(&tsd_key, Dtor));
29 pthread_t t;
30 for (int i = 0; i < 3; i++) {
31 pthread_create(&t, 0, Thread, 0);
32 pthread_join(t, 0);
33 }
34 size_t old_heap_size = __sanitizer_get_heap_size();
35 for (int i = 0; i < 10; i++) {
36 pthread_create(&t, 0, Thread, 0);
37 pthread_join(t, 0);
38 size_t new_heap_size = __sanitizer_get_heap_size();
39 fprintf(stderr, "heap size: new: %zd old: %zd\n", new_heap_size, old_heap_size);
40 assert(old_heap_size == new_heap_size);
41 }
42 }
43