/Src/Dependencies/Boost/boost/signals2/detail/lwm_pthreads.hpp
http://hadesmem.googlecode.com/ · C++ Header · 78 lines · 45 code · 21 blank · 12 comment · 3 complexity · fce4e86380d795a40c741cecf6db0152 MD5 · raw file
- //
- // boost/signals2/detail/lwm_pthreads.hpp
- //
- // Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
- // Copyright (c) 2008 Frank Mori Hess
- //
- // 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)
- //
- #ifndef BOOST_SIGNALS2_LWM_PTHREADS_HPP
- #define BOOST_SIGNALS2_LWM_PTHREADS_HPP
- // MS compatible compilers support #pragma once
- #if defined(_MSC_VER) && (_MSC_VER >= 1020)
- # pragma once
- #endif
- #include <pthread.h>
- namespace boost
- {
- namespace signals2
- {
- class mutex
- {
- private:
- pthread_mutex_t m_;
- mutex(mutex const &);
- mutex & operator=(mutex const &);
- public:
- mutex()
- {
- // HPUX 10.20 / DCE has a nonstandard pthread_mutex_init
- #if defined(__hpux) && defined(_DECTHREADS_)
- pthread_mutex_init(&m_, pthread_mutexattr_default);
- #else
- pthread_mutex_init(&m_, 0);
- #endif
- }
- ~mutex()
- {
- pthread_mutex_destroy(&m_);
- }
- void lock()
- {
- pthread_mutex_lock(&m_);
- }
- bool try_lock()
- {
- return pthread_mutex_trylock(&m_) == 0;
- }
- void unlock()
- {
- pthread_mutex_unlock(&m_);
- }
- };
- } // namespace signals2
- } // namespace boost
- #endif // #ifndef BOOST_SIGNALS2_LWM_PTHREADS_HPP