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: %env_lsan_opts=$LSAN_BASE:"use_tls=0" not %run %t 2>&1 | FileCheck %s
5 // RUN: %env_lsan_opts=$LSAN_BASE:"use_tls=1" %run %t 2>&1
6 // RUN: %env_lsan_opts="" %run %t 2>&1
7 
8 // Investigate why it does not fail with use_tls=0
9 // UNSUPPORTED: arm-linux || armhf-linux
10 
11 #include <assert.h>
12 #include <pthread.h>
13 #include <stdio.h>
14 #include <stdlib.h>
15 #include "sanitizer_common/print_address.h"
16 
17 // From glibc: this many keys are stored in the thread descriptor directly.
18 const unsigned PTHREAD_KEY_2NDLEVEL_SIZE = 32;
19 
20 int main() {
21   static const unsigned kDummyKeysCount = PTHREAD_KEY_2NDLEVEL_SIZE;
22   int res;
23   pthread_key_t dummy_keys[kDummyKeysCount];
24   for (unsigned i = 0; i < kDummyKeysCount; i++) {
25     res = pthread_key_create(&dummy_keys[i], NULL);
26     assert(res == 0);
27   }
28   pthread_key_t key;
29   res = pthread_key_create(&key, NULL);
30   assert(key >= PTHREAD_KEY_2NDLEVEL_SIZE);
31   assert(res == 0);
32   void *p  = malloc(1337);
33   res = pthread_setspecific(key, p);
34   assert(res == 0);
35   print_address("Test alloc: ", 1, p);
36   return 0;
37 }
38 // CHECK: Test alloc: [[ADDR:0x[0-9,a-f]+]]
39 // CHECK: LeakSanitizer: detected memory leaks
40 // CHECK: [[ADDR]] (1337 bytes)
41 // CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer:
42