| 1 | // Test that dynamically 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 | // Investigate why it does not fail with use_tls=0 |
| 8 | // UNSUPPORTED: arm-linux || armhf-linux |
| 9 | |
| 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. |
| 17 | const unsigned PTHREAD_KEY_2NDLEVEL_SIZE = 32; |
| 18 | |
| 19 | int 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(key: &dummy_keys[i], NULL); |
| 25 | assert(res == 0); |
| 26 | } |
| 27 | pthread_key_t key; |
| 28 | res = pthread_key_create(key: &key, NULL); |
| 29 | assert(key >= PTHREAD_KEY_2NDLEVEL_SIZE); |
| 30 | assert(res == 0); |
| 31 | void *p = malloc(size: 1337); |
| 32 | res = pthread_setspecific(key: key, pointer: 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 leaks |
| 39 | // CHECK: [[ADDR]] (1337 bytes) |
| 40 | // CHECK: SUMMARY: {{.*}}Sanitizer: |
| 41 |