1// RUN: %clangxx_tsan -O1 -fno-inline-functions %s -o %t && %deflake %run %t | FileCheck %s
2#include "test.h"
3#include <memory>
4
5std::unique_ptr<long> global(new long(42));
6
7void *thread(void *x) {
8 *global = 43;
9 barrier_wait(barrier: &barrier);
10 return nullptr;
11}
12
13int main() {
14 barrier_init(barrier: &barrier, count: 2);
15 pthread_t th;
16 pthread_create(newthread: &th, attr: nullptr, start_routine: thread, arg: nullptr);
17 pthread_detach(th: th);
18 barrier_wait(barrier: &barrier);
19 return 0;
20}
21
22// CHECK: WARNING: ThreadSanitizer: data race
23// CHECK: Write of size 8
24// The exact spelling and number of std frames is hard to guess.
25// CHECK: unique_ptr
26// CHECK: #{{[1-9]}} cxa_at_exit_callback_installed_at
27// CHECK: #{{[2-9]}} __cxx_global_var_init
28

source code of compiler-rt/test/tsan/atexit5.cpp