/extlibs/Boost/include/boost/smart_ptr/detail/lwm_pthreads.hpp
https://bitbucket.org/hugoruscitti/pilascpp · C++ Header · 87 lines · 52 code · 24 blank · 11 comment · 7 complexity · 25e557217a95adf122a2c46c93d730bd MD5 · raw file
- #ifndef BOOST_SMART_PTR_DETAIL_LWM_PTHREADS_HPP_INCLUDED
- #define BOOST_SMART_PTR_DETAIL_LWM_PTHREADS_HPP_INCLUDED
- // MS compatible compilers support #pragma once
- #if defined(_MSC_VER) && (_MSC_VER >= 1020)
- # pragma once
- #endif
- //
- // boost/detail/lwm_pthreads.hpp
- //
- // Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
- //
- // Distributed under the Boost Software License, Version 1.0. (See
- // accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- //
- #include <boost/assert.hpp>
- #include <pthread.h>
- namespace boost
- {
- namespace detail
- {
- class lightweight_mutex
- {
- private:
- pthread_mutex_t m_;
- lightweight_mutex(lightweight_mutex const &);
- lightweight_mutex & operator=(lightweight_mutex const &);
- public:
- lightweight_mutex()
- {
- // HPUX 10.20 / DCE has a nonstandard pthread_mutex_init
- #if defined(__hpux) && defined(_DECTHREADS_)
- BOOST_VERIFY( pthread_mutex_init( &m_, pthread_mutexattr_default ) == 0 );
- #else
- BOOST_VERIFY( pthread_mutex_init( &m_, 0 ) == 0 );
- #endif
- }
- ~lightweight_mutex()
- {
- BOOST_VERIFY( pthread_mutex_destroy( &m_ ) == 0 );
- }
- class scoped_lock;
- friend class scoped_lock;
- class scoped_lock
- {
- private:
- pthread_mutex_t & m_;
- scoped_lock(scoped_lock const &);
- scoped_lock & operator=(scoped_lock const &);
- public:
- scoped_lock(lightweight_mutex & m): m_(m.m_)
- {
- BOOST_VERIFY( pthread_mutex_lock( &m_ ) == 0 );
- }
- ~scoped_lock()
- {
- BOOST_VERIFY( pthread_mutex_unlock( &m_ ) == 0 );
- }
- };
- };
- } // namespace detail
- } // namespace boost
- #endif // #ifndef BOOST_SMART_PTR_DETAIL_LWM_PTHREADS_HPP_INCLUDED