williamr@2: #ifndef BOOST_DETAIL_LWM_PTHREADS_HPP_INCLUDED williamr@2: #define BOOST_DETAIL_LWM_PTHREADS_HPP_INCLUDED williamr@2: williamr@2: // MS compatible compilers support #pragma once williamr@2: williamr@2: #if defined(_MSC_VER) && (_MSC_VER >= 1020) williamr@2: # pragma once williamr@2: #endif williamr@2: williamr@2: // williamr@2: // boost/detail/lwm_pthreads.hpp williamr@2: // williamr@2: // Copyright (c) 2002 Peter Dimov and Multi Media Ltd. williamr@2: // williamr@2: // Distributed under the Boost Software License, Version 1.0. (See williamr@2: // accompanying file LICENSE_1_0.txt or copy at williamr@2: // http://www.boost.org/LICENSE_1_0.txt) williamr@2: // williamr@2: williamr@2: #include williamr@2: williamr@2: namespace boost williamr@2: { williamr@2: williamr@2: namespace detail williamr@2: { williamr@2: williamr@2: class lightweight_mutex williamr@2: { williamr@2: private: williamr@2: williamr@2: pthread_mutex_t m_; williamr@2: williamr@2: lightweight_mutex(lightweight_mutex const &); williamr@2: lightweight_mutex & operator=(lightweight_mutex const &); williamr@2: williamr@2: public: williamr@2: williamr@2: lightweight_mutex() williamr@2: { williamr@2: williamr@2: // HPUX 10.20 / DCE has a nonstandard pthread_mutex_init williamr@2: williamr@2: #if defined(__hpux) && defined(_DECTHREADS_) williamr@2: pthread_mutex_init(&m_, pthread_mutexattr_default); williamr@2: #else williamr@2: pthread_mutex_init(&m_, 0); williamr@2: #endif williamr@2: } williamr@2: williamr@2: ~lightweight_mutex() williamr@2: { williamr@2: pthread_mutex_destroy(&m_); williamr@2: } williamr@2: williamr@2: class scoped_lock; williamr@2: friend class scoped_lock; williamr@2: williamr@2: class scoped_lock williamr@2: { williamr@2: private: williamr@2: williamr@2: pthread_mutex_t & m_; williamr@2: williamr@2: scoped_lock(scoped_lock const &); williamr@2: scoped_lock & operator=(scoped_lock const &); williamr@2: williamr@2: public: williamr@2: williamr@2: scoped_lock(lightweight_mutex & m): m_(m.m_) williamr@2: { williamr@2: pthread_mutex_lock(&m_); williamr@2: } williamr@2: williamr@2: ~scoped_lock() williamr@2: { williamr@2: pthread_mutex_unlock(&m_); williamr@2: } williamr@2: }; williamr@2: }; williamr@2: williamr@2: } // namespace detail williamr@2: williamr@2: } // namespace boost williamr@2: williamr@2: #endif // #ifndef BOOST_DETAIL_LWM_PTHREADS_HPP_INCLUDED