| // { dg-do run } |
| // { dg-additional-options "-pthread" { target pthread } } |
| // { dg-require-effective-target c++11 } |
| // { dg-require-gthreads "" } |
| |
| // Copyright (C) 2014-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| #include <condition_variable> |
| #include <thread> |
| #include <mutex> |
| #include <testsuite_hooks.h> |
| |
| std::mutex mx; |
| std::condition_variable cv; |
| int counter = 0; |
| |
| struct Inc |
| { |
| Inc() { ++counter; } |
| ~Inc() { ++counter; } |
| }; |
| |
| |
| void func() |
| { |
| std::unique_lock<std::mutex> lock{mx}; |
| std::notify_all_at_thread_exit(cv, std::move(lock)); |
| #if CORRECT_THREAD_LOCAL_DTORS |
| // Correct order of thread_local destruction needs __cxa_thread_atexit_impl |
| // or similar support from libc. |
| static thread_local |
| #endif |
| Inc inc; |
| } |
| |
| int main() |
| { |
| std::unique_lock<std::mutex> lock{mx}; |
| std::thread t{func}; |
| cv.wait(lock, [&]{ return counter == 2; }); |
| t.join(); |
| } |