diff options
author | Martin Lucina <martin@lucina.net> | 2012-01-23 08:53:19 +0100 |
---|---|---|
committer | Martin Lucina <martin@lucina.net> | 2012-01-23 08:53:19 +0100 |
commit | a15854bd92db69fcd0b4444fe1b8fe3610a7acf6 (patch) | |
tree | 1214b945d0f0033ff318de367c70525ea141ef56 /src/thread.hpp |
Imported Upstream version 2.0.7.dfsgupstream/2.0.7.dfsg
Diffstat (limited to 'src/thread.hpp')
-rw-r--r-- | src/thread.hpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/thread.hpp b/src/thread.hpp new file mode 100644 index 0000000..432770c --- /dev/null +++ b/src/thread.hpp @@ -0,0 +1,86 @@ +/* + Copyright (c) 2007-2010 iMatix Corporation + + This file is part of 0MQ. + + 0MQ is free software; you can redistribute it and/or modify it under + the terms of the Lesser GNU 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 + Lesser GNU General Public License for more details. + + You should have received a copy of the Lesser GNU 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 (); + +#ifdef ZMQ_HAVE_WINDOWS + typedef DWORD id_t; +#else + typedef pthread_t id_t; +#endif + + static id_t id (); + static bool equal (id_t id1_, id_t id2_); + + private: + +#ifdef ZMQ_HAVE_WINDOWS + static unsigned int __stdcall thread_routine (void *arg_); + HANDLE descriptor; +#else + static void *thread_routine (void *arg_); + pthread_t descriptor; +#endif + + thread_fn *tfn; + void *arg; + + thread_t (const thread_t&); + void operator = (const thread_t&); + }; + +} + +#endif |