1// Regression test for thread lifetime tracking. Thread data should be
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: LSAN_BASE="report_objects=1:use_registers=0:use_stacks=0:use_globals=0"
7// RUN: %clang_lsan %s -o %t
8// RUN: LSAN_OPTIONS=$LSAN_BASE:use_tls=1 %run %t
9// RUN: LSAN_OPTIONS=$LSAN_BASE:use_tls=0 not %run %t 2>&1 | FileCheck %s
10
11#include <assert.h>
12#include <pthread.h>
13#include <stdio.h>
14#include <stdlib.h>
15
16#include "sanitizer/lsan_interface.h"
17
18pthread_key_t key;
19__thread void *p;
20
21void key_destructor(void *arg) {
22  // Generally this may happen on a different thread.
23  __lsan_do_leak_check();
24}
25
26void *thread_func(void *arg) {
27  p = malloc(1337);
28  fprintf(stderr, "Test alloc: %p.\n", p);
29  int res = pthread_setspecific(key, (void*)1);
30  assert(res == 0);
31  return 0;
32}
33
34int main() {
35  int res = pthread_key_create(&key, &key_destructor);
36  assert(res == 0);
37  pthread_t thread_id;
38  res = pthread_create(&thread_id, 0, thread_func, 0);
39  assert(res == 0);
40  res = pthread_join(thread_id, 0);
41  assert(res == 0);
42  return 0;
43}
44// CHECK: Test alloc: [[ADDR:.*]].
45// CHECK: [[ADDR]] (1337 bytes)
46