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82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
/*
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Copyright (c) 2007-2014 Contributors as noted in the AUTHORS file
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This file is part of 0MQ.
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0MQ is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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0MQ is distributed in the hope that it will be useful,
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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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser 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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#ifndef __ZMQ_THREAD_HPP_INCLUDED__
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#define __ZMQ_THREAD_HPP_INCLUDED__
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#include "platform.hpp"
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#ifdef ZMQ_HAVE_WINDOWS
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#include "windows.hpp"
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#else
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#include <pthread.h>
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#endif
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namespace zmq
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{
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typedef void (thread_fn) (void*);
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// Class encapsulating OS thread. Thread initiation/termination is done
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// using special functions rather than in constructor/destructor so that
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// thread isn't created during object construction by accident, causing
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// newly created thread to access half-initialised object. Same applies
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// to the destruction process: Thread should be terminated before object
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// destruction begins, otherwise it can access half-destructed object.
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class thread_t
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{
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public:
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inline thread_t ()
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{
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}
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// Creates OS thread. 'tfn' is main thread function. It'll be passed
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// 'arg' as an argument.
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void start (thread_fn *tfn_, void *arg_);
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// Waits for thread termination.
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void stop ();
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// Sets the thread scheduling parameters. Only implemented for
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// pthread. Has no effect on other platforms.
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void setSchedulingParameters(int priority_, int schedulingPolicy_);
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// These are internal members. They should be private, however then
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// they would not be accessible from the main C routine of the thread.
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thread_fn *tfn;
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void *arg;
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private:
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#ifdef ZMQ_HAVE_WINDOWS
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HANDLE descriptor;
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#else
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pthread_t descriptor;
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#endif
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thread_t (const thread_t&);
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const thread_t &operator = (const thread_t&);
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};
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}
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#endif
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