1 // Test that dynamically allocated thread-specific storage is included in the root set.
2 // RUN: LSAN_BASE="report_objects=1:use_stacks=0:use_registers=0"
3 // RUN: %clangxx_lsan %s -o %t
4 // RUN: LSAN_OPTIONS=$LSAN_BASE:"use_tls=0" not %run %t 2>&1 | FileCheck %s
5 // RUN: LSAN_OPTIONS=$LSAN_BASE:"use_tls=1" %run %t 2>&1
6 // RUN: LSAN_OPTIONS="" %run %t 2>&1
7 
8 #include <assert.h>
9 #include <pthread.h>
10 #include <stdio.h>
11 #include <stdlib.h>
12 
13 // From glibc: this many keys are stored in the thread descriptor directly.
14 const unsigned PTHREAD_KEY_2NDLEVEL_SIZE = 32;
15 
main()16 int main() {
17   static const unsigned kDummyKeysCount = PTHREAD_KEY_2NDLEVEL_SIZE;
18   int res;
19   pthread_key_t dummy_keys[kDummyKeysCount];
20   for (unsigned i = 0; i < kDummyKeysCount; i++) {
21     res = pthread_key_create(&dummy_keys[i], NULL);
22     assert(res == 0);
23   }
24   pthread_key_t key;
25   res = pthread_key_create(&key, NULL);
26   assert(key >= PTHREAD_KEY_2NDLEVEL_SIZE);
27   assert(res == 0);
28   void *p  = malloc(1337);
29   res = pthread_setspecific(key, p);
30   assert(res == 0);
31   fprintf(stderr, "Test alloc: %p.\n", p);
32   return 0;
33 }
34 // CHECK: Test alloc: [[ADDR:.*]].
35 // CHECK: LeakSanitizer: detected memory leaks
36 // CHECK: [[ADDR]] (1337 bytes)
37 // CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer:
38