diff options
author | Martin Sustrik <sustrik@fastmq.commkdir> | 2009-07-29 12:07:54 +0200 |
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committer | Martin Sustrik <sustrik@fastmq.commkdir> | 2009-07-29 12:07:54 +0200 |
commit | 4ed70a930202b103e7e80b8dc925e0aaa4622595 (patch) | |
tree | aeed881ce17629f81b7c90f7d675aac8ecf69d4f /src/mutex.hpp |
initial commit
Diffstat (limited to 'src/mutex.hpp')
-rw-r--r-- | src/mutex.hpp | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/mutex.hpp b/src/mutex.hpp new file mode 100644 index 0000000..a7f95da --- /dev/null +++ b/src/mutex.hpp @@ -0,0 +1,116 @@ +/* + Copyright (c) 2007-2009 FastMQ Inc. + + 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 __ZS_MUTEX_HPP_INCLUDED__ +#define __ZS_MUTEX_HPP_INCLUDED__ + +#include "platform.hpp" +#include "err.hpp" + +// Mutex class encapsulates OS mutex in a platform-independent way. + +#ifdef ZS_HAVE_WINDOWS + +#include "windows.hpp" + +namespace zs +{ + + class mutex_t + { + public: + inline mutex_t () + { + InitializeCriticalSection (&cs); + } + + inline ~mutex_t () + { + DeleteCriticalSection (&cs); + } + + inline void lock () + { + EnterCriticalSection (&cs); + } + + inline void unlock () + { + LeaveCriticalSection (&cs); + } + + private: + + CRITICAL_SECTION cs; + + // Disable copy construction and assignment. + mutex_t (const mutex_t&); + void operator = (const mutex_t&); + }; + +} + +#else + +#include <pthread.h> + +namespace zs +{ + + class mutex_t + { + public: + inline mutex_t () + { + int rc = pthread_mutex_init (&mutex, NULL); + errno_assert (rc == 0); + } + + inline ~mutex_t () + { + int rc = pthread_mutex_destroy (&mutex); + errno_assert (rc == 0); + } + + inline void lock () + { + int rc = pthread_mutex_lock (&mutex); + errno_assert (rc == 0); + } + + inline void unlock () + { + int rc = pthread_mutex_unlock (&mutex); + errno_assert (rc == 0); + } + + private: + + pthread_mutex_t mutex; + + // Disable copy construction and assignment. + mutex_t (const mutex_t&); + void operator = (const mutex_t&); + }; + +} + +#endif + +#endif |