YouCompleteMe/cpp/ycm/ConcurrentStack.h
2013-01-19 20:10:52 -08:00

62 lines
1.6 KiB
C++

// Copyright (C) 2011, 2012 Strahinja Val Markovic <val@markovic.io>
//
// This file is part of YouCompleteMe.
//
// YouCompleteMe 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 of the License, or
// (at your option) any later version.
//
// YouCompleteMe 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 YouCompleteMe. If not, see <http://www.gnu.org/licenses/>.
#ifndef CONCURRENTSTACK_H_TGI0GOR6
#define CONCURRENTSTACK_H_TGI0GOR6
#include <boost/thread.hpp>
#include <boost/utility.hpp>
#include <stack>
namespace YouCompleteMe {
template <typename T>
class ConcurrentStack : boost::noncopyable {
public:
void Push( const T &data ) {
{
boost::unique_lock< boost::mutex > lock( mutex_ );
stack_.push( data );
}
condition_variable_.notify_one();
}
T Pop() {
boost::unique_lock< boost::mutex > lock( mutex_ );
while ( stack_.empty() ) {
condition_variable_.wait( lock );
}
T top = stack_.top();
stack_.pop();
return top;
}
private:
std::stack< T > stack_;
boost::mutex mutex_;
boost::condition_variable condition_variable_;
};
} // namespace YouCompleteMe
#endif /* end of include guard: CONCURRENTSTACK_H_TGI0GOR6 */