| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // Copyright (C) 2011 Vicente J. Botet Escriba |
| // |
| // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| |
| // <boost/thread/condition_variable> |
| |
| // class condition_variable; |
| |
| // condition_variable(const condition_variable&) = delete; |
| |
| #include <boost/thread/condition_variable.hpp> |
| #include <boost/thread/mutex.hpp> |
| #include <boost/thread/thread.hpp> |
| #include <boost/thread/locks.hpp> |
| #include <boost/detail/lightweight_test.hpp> |
| |
| boost::condition_variable* cv; |
| boost::mutex m; |
| typedef boost::unique_lock<boost::mutex> Lock; |
| |
| bool f_ready = false; |
| bool g_ready = false; |
| |
| void f() |
| { |
| Lock lk(m); |
| f_ready = true; |
| cv->notify_one(); |
| cv->wait(lk); |
| delete cv; |
| } |
| |
| void g() |
| { |
| Lock lk(m); |
| g_ready = true; |
| cv->notify_one(); |
| while (!f_ready) |
| { |
| cv->wait(lk); |
| } |
| cv->notify_one(); |
| } |
| |
| int main() |
| { |
| cv = new boost::condition_variable; |
| boost::thread th2(g); |
| Lock lk(m); |
| while (!g_ready) |
| { |
| cv->wait(lk); |
| } |
| lk.unlock(); |
| boost::thread th1(f); |
| th1.join(); |
| th2.join(); |
| return boost::report_errors(); |
| } |
| |