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// @file msg.h - interthread message passing
/**
* Copyright (C) 2008 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,b
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <deque>
#include "task.h"
namespace mongo {
namespace task {
typedef boost::function<void()> lam;
/** typical usage is: task::fork( new Server("threadname") ); */
class Server : public Task {
public:
/** send a message to the port */
void send(lam);
Server(string name) : _name(name), rq(false) { }
virtual ~Server() { }
/** send message but block until function completes */
void call(const lam&);
void requeue() { rq = true; }
protected:
/* REMINDER : for use in mongod, you will want to have this call Client::initThread(). */
virtual void starting() { }
private:
virtual bool initClient() { return true; }
virtual string name() const { return _name; }
void doWork();
deque<lam> d;
boost::mutex m;
boost::condition c;
string _name;
bool rq;
};
}
}
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