1// Test that statically allocated thread-specific storage is included in the root set.
2// RUN: %clangxx_lsan %s -o %t
3// RUN: %env_lsan_opts="report_objects=1:use_stacks=0:use_registers=0:use_tls=0" not %run %t 2>&1 | FileCheck %s
4// RUN: %env_lsan_opts="report_objects=1:use_stacks=0:use_registers=0:use_tls=1" %run %t 2>&1
5// RUN: %env_lsan_opts="" %run %t 2>&1
6
7#include <assert.h>
8#include <pthread.h>
9#include <stdio.h>
10#include <stdlib.h>
11#include "sanitizer_common/print_address.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 pthread_key_t key;
18 int res;
19 res = pthread_key_create(key: &key, NULL);
20 assert(res == 0);
21#if !defined(__ANDROID__) && !defined(__BIONIC__)
22 // Bionic doesn't have specific limit.
23 assert(key < PTHREAD_KEY_2NDLEVEL_SIZE);
24#endif
25 void *p = malloc(size: 1337);
26 res = pthread_setspecific(key: key, pointer: p);
27 assert(res == 0);
28 print_address("Test alloc: ", 1, p);
29 return 0;
30}
31// CHECK: Test alloc: [[ADDR:0x[0-9,a-f]+]]
32// CHECK: LeakSanitizer: detected memory leaks
33// CHECK: [[ADDR]] (1337 bytes)
34// CHECK: SUMMARY: {{.*}}Sanitizer:
35

source code of compiler-rt/test/lsan/TestCases/Linux/use_tls_pthread_specific_static.cpp