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/*
Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_THREAD_HPP_INCLUDED__
#define __ZMQ_THREAD_HPP_INCLUDED__
#include "platform.hpp"
#ifdef ZMQ_HAVE_WINDOWS
#include "windows.hpp"
#else
#include <pthread.h>
#endif
namespace zmq
{
typedef void (thread_fn) (void*);
// Class encapsulating OS thread. Thread initiation/termination is done
// using special functions rather than in constructor/destructor so that
// thread isn't created during object construction by accident, causing
// newly created thread to access half-initialised object. Same applies
// to the destruction process: Thread should be terminated before object
// destruction begins, otherwise it can access half-destructed object.
class thread_t
{
public:
inline thread_t ()
{
}
// Creates OS thread. 'tfn' is main thread function. It'll be passed
// 'arg' as an argument.
void start (thread_fn *tfn_, void *arg_);
// Waits for thread termination.
void stop ();
// These are internal members. They should be private, however then
// they would not be accessible from the main C routine of the thread.
thread_fn *tfn;
void *arg;
private:
#ifdef ZMQ_HAVE_WINDOWS
HANDLE descriptor;
#else
pthread_t descriptor;
#endif
thread_t (const thread_t&);
const thread_t &operator = (const thread_t&);
};
}
#endif
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