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