| author | sl |
| Tue, 10 Jun 2014 14:32:02 +0200 | |
| changeset 1 | 260cb5ec6c19 |
| permissions | -rw-r--r-- |
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#ifndef BOOST_DETAIL_LWM_PTHREADS_HPP_INCLUDED |
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#define BOOST_DETAIL_LWM_PTHREADS_HPP_INCLUDED |
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|
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// MS compatible compilers support #pragma once |
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|
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#if defined(_MSC_VER) && (_MSC_VER >= 1020) |
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# pragma once |
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#endif |
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|
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// |
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// boost/detail/lwm_pthreads.hpp |
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// |
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// Copyright (c) 2002 Peter Dimov and Multi Media Ltd. |
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// |
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// Distributed under the Boost Software License, Version 1.0. (See |
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// accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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// |
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|
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#include <pthread.h> |
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|
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namespace boost |
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{
|
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|
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namespace detail |
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{
|
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|
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class lightweight_mutex |
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{
|
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private: |
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|
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pthread_mutex_t m_; |
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|
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lightweight_mutex(lightweight_mutex const &); |
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lightweight_mutex & operator=(lightweight_mutex const &); |
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|
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public: |
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|
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lightweight_mutex() |
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{
|
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|
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// HPUX 10.20 / DCE has a nonstandard pthread_mutex_init |
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|
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#if defined(__hpux) && defined(_DECTHREADS_) |
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pthread_mutex_init(&m_, pthread_mutexattr_default); |
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#else |
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pthread_mutex_init(&m_, 0); |
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#endif |
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} |
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|
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~lightweight_mutex() |
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{
|
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pthread_mutex_destroy(&m_); |
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} |
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|
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class scoped_lock; |
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friend class scoped_lock; |
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|
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class scoped_lock |
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{
|
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private: |
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|
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pthread_mutex_t & m_; |
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|
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scoped_lock(scoped_lock const &); |
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scoped_lock & operator=(scoped_lock const &); |
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|
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public: |
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|
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scoped_lock(lightweight_mutex & m): m_(m.m_) |
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{
|
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pthread_mutex_lock(&m_); |
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} |
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|
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~scoped_lock() |
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{
|
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pthread_mutex_unlock(&m_); |
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} |
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}; |
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}; |
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|
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} // namespace detail |
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|
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} // namespace boost |
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|
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#endif // #ifndef BOOST_DETAIL_LWM_PTHREADS_HPP_INCLUDED |