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 #include <assert.h>
9 #include <pthread.h>
10 #include <stdio.h>
11 #include <stdlib.h>
12 #include "sanitizer_common/print_address.h"
13 
14 // From glibc: this many keys are stored in the thread descriptor directly.
15 const unsigned PTHREAD_KEY_2NDLEVEL_SIZE = 32;
16 
17 int main() {
18   static const unsigned kDummyKeysCount = PTHREAD_KEY_2NDLEVEL_SIZE;
19   int res;
20   pthread_key_t dummy_keys[kDummyKeysCount];
21   for (unsigned i = 0; i < kDummyKeysCount; i++) {
22     res = pthread_key_create(&dummy_keys[i], NULL);
23     assert(res == 0);
24   }
25   pthread_key_t key;
26   res = pthread_key_create(&key, NULL);
27   assert(key >= PTHREAD_KEY_2NDLEVEL_SIZE);
28   assert(res == 0);
29   void *p  = malloc(1337);
30   res = pthread_setspecific(key, p);
31   assert(res == 0);
32   print_address("Test alloc: ", 1, p);
33   return 0;
34 }
35 // CHECK: Test alloc: [[ADDR:0x[0-9,a-f]+]]
36 // CHECK: LeakSanitizer: detected memory leaks
37 // CHECK: [[ADDR]] (1337 bytes)
38 // CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer:
39