1 | // Regression test for thread lifetime tracking. Thread data should be |
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2 | // considered live during the thread's termination, at least until the |
3 | // user-installed TSD destructors have finished running (since they may contain |
4 | // additional cleanup tasks). LSan doesn't actually meet that goal 100%, but it |
5 | // makes its best effort. |
6 | // RUN: %clang_lsan %s -o %t |
7 | // RUN: %env_lsan_opts="report_objects=1:use_registers=0:use_stacks=0:use_tls=1" %run %t |
8 | // RUN: %env_lsan_opts="report_objects=1:use_registers=0:use_stacks=0:use_tls=0" not %run %t 2>&1 | FileCheck %s |
9 | |
10 | // Investigate why it does not fail with use_stack=0 |
11 | // UNSUPPORTED: arm-linux || armhf-linux |
12 | |
13 | #include <assert.h> |
14 | #include <pthread.h> |
15 | #include <stdio.h> |
16 | #include <stdlib.h> |
17 | |
18 | #include "sanitizer/lsan_interface.h" |
19 | #include "sanitizer_common/print_address.h" |
20 | |
21 | pthread_key_t key; |
22 | __thread void *p; |
23 | |
24 | void key_destructor(void *arg) { |
25 | // Generally this may happen on a different thread. |
26 | __lsan_do_leak_check(); |
27 | } |
28 | |
29 | void *thread_func(void *arg) { |
30 | p = malloc(size: 1337); |
31 | print_address("Test alloc: ", 1, p); |
32 | int res = pthread_setspecific(key: key, pointer: (void*)1); |
33 | assert(res == 0); |
34 | return 0; |
35 | } |
36 | |
37 | int main() { |
38 | int res = pthread_key_create(key: &key, destr_function: &key_destructor); |
39 | assert(res == 0); |
40 | pthread_t thread_id; |
41 | res = pthread_create(newthread: &thread_id, attr: 0, start_routine: thread_func, arg: 0); |
42 | assert(res == 0); |
43 | res = pthread_join(th: thread_id, thread_return: 0); |
44 | assert(res == 0); |
45 | return 0; |
46 | } |
47 | // CHECK: Test alloc: [[ADDR:0x[0-9,a-f]+]] |
48 | // CHECK: [[ADDR]] (1337 bytes) |
49 |