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.
14const unsigned PTHREAD_KEY_2NDLEVEL_SIZE = 32;
15
16int 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