41 lines · cpp
1// Test that dynamically allocated thread-specific storage is included in the root set.2// RUN: %clangxx_lsan %s -o %t3// RUN: %env_lsan_opts="report_objects=1:use_stacks=0:use_registers=0:use_tls=0" not %run %t 2>&1 | FileCheck %s4// RUN: %env_lsan_opts="report_objects=1:use_stacks=0:use_registers=0:use_tls=1" %run %t 2>&15// RUN: %env_lsan_opts="" %run %t 2>&16 7// Investigate why it does not fail with use_tls=08// UNSUPPORTED: arm-linux || armhf-linux9 10#include <assert.h>11#include <pthread.h>12#include <stdio.h>13#include <stdlib.h>14#include "sanitizer_common/print_address.h"15 16// From glibc: this many keys are stored in the thread descriptor directly.17const unsigned PTHREAD_KEY_2NDLEVEL_SIZE = 32;18 19int main() {20 static const unsigned kDummyKeysCount = PTHREAD_KEY_2NDLEVEL_SIZE;21 int res;22 pthread_key_t dummy_keys[kDummyKeysCount];23 for (unsigned i = 0; i < kDummyKeysCount; i++) {24 res = pthread_key_create(&dummy_keys[i], NULL);25 assert(res == 0);26 }27 pthread_key_t key;28 res = pthread_key_create(&key, NULL);29 assert(key >= PTHREAD_KEY_2NDLEVEL_SIZE);30 assert(res == 0);31 void *p = malloc(1337);32 res = pthread_setspecific(key, p);33 assert(res == 0);34 print_address("Test alloc: ", 1, p);35 return 0;36}37// CHECK: Test alloc: [[ADDR:0x[0-9,a-f]+]]38// CHECK: LeakSanitizer: detected memory leaks39// CHECK: [[ADDR]] (1337 bytes)40// CHECK: SUMMARY: {{.*}}Sanitizer:41