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Diffstat (limited to 'src/thread.hpp')
-rw-r--r-- | src/thread.hpp | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/thread.hpp b/src/thread.hpp new file mode 100644 index 0000000..52769b1 --- /dev/null +++ b/src/thread.hpp @@ -0,0 +1,79 @@ +/* + Copyright (c) 2010-2011 250bpm s.r.o. + Copyright (c) 2007-2011 iMatix Corporation + Copyright (c) 2007-2011 Other 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 |