gcc/libstdc++-v3/testsuite/30_threads/condition_variable/54185.cc

63 lines
1.6 KiB
C++
Raw Normal View History

// { dg-do run }
// { dg-options "-pthread" }
Simplify dg-options for tests using pthreads * testsuite/21_strings/basic_string/pthread18185.cc: Use -pthread for *-*-solaris* instead of -pthreads. * testsuite/21_strings/basic_string/pthread4.cc : Likewise. * testsuite/22_locale/locale/cons/12658_thread-1.cc: Likewise. * testsuite/22_locale/locale/cons/12658_thread-2.cc: Likewise. * testsuite/23_containers/list/pthread1.cc: Likewise. * testsuite/23_containers/list/pthread5.cc: Likewise. * testsuite/23_containers/map/pthread6.cc: Likewise. * testsuite/27_io/basic_ofstream/pthread2.cc: Likewise. * testsuite/27_io/basic_ostringstream/pthread3.cc: Likewise. * testsuite/30_threads/shared_mutex/*: Likewise. * testsuite/ext/rope/pthread7-rope.cc: Likewise. * testsuite/tr1/2_general_utilities/shared_ptr/thread/ default_weaktoshared.cc: Likewise. * testsuite/tr1/2_general_utilities/shared_ptr/thread/ mutex_weaktoshared.cc: Likewise. * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise. Use dg-require-effective-target instead of using -std option. * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Likewise. * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise. * testsuite/23_containers/vector/debug/multithreaded_swap.cc: Likewise. * testsuite/30_threads/async/*: Likewise. * testsuite/30_threads/call_once/*: Likewise. * testsuite/30_threads/condition_variable/*: Likewise. * testsuite/30_threads/condition_variable_any/*: Likewise. * testsuite/30_threads/future/*: Likewise. * testsuite/30_threads/lock/*: Likewise. * testsuite/30_threads/mutex/*: Likewise. * testsuite/30_threads/packaged_task/*: Likewise. * testsuite/30_threads/promise/*: Likewise. * testsuite/30_threads/recursive_mutex/*: Likewise. * testsuite/30_threads/recursive_timed_mutex/*: Likewise. * testsuite/30_threads/shared_future/*: Likewise. * testsuite/30_threads/shared_lock/*: Likewise. * testsuite/30_threads/shared_timed_mutex/*: Likewise. * testsuite/30_threads/this_thread/*: Likewise. * testsuite/30_threads/thread/*: Likewise. * testsuite/30_threads/timed_mutex/*: Likewise. * testsuite/30_threads/try_lock/*: Likewise. * testsuite/30_threads/unique_lock/*: Likewise. From-SVN: r239624
2016-08-19 18:36:07 +02:00
// { dg-require-effective-target c++11 }
// { dg-require-effective-target pthread }
// { dg-require-cstdint "" }
// { dg-require-gthreads "" }
// Copyright (C) 2012-2017 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 <vector>
#include <mutex>
#include <condition_variable>
#include <thread>
// PR libstdc++/54185
std::condition_variable* cond = nullptr;
std::mutex mx;
int started = 0;
int constexpr NUM_THREADS = 10;
void do_thread_a()
{
std::unique_lock<std::mutex> lock(mx);
if(++started >= NUM_THREADS)
{
cond->notify_all();
delete cond;
cond = nullptr;
}
else
cond->wait(lock);
}
int main(){
std::vector<std::thread> vec;
for(int j = 0; j < 1000; ++j)
{
started = 0;
cond = new std::condition_variable;
for (int i = 0; i < NUM_THREADS; ++i)
vec.emplace_back(&do_thread_a);
for (int i = 0; i < NUM_THREADS; ++i)
vec[i].join();
vec.clear();
}
}