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Diffstat (limited to 'cutl/details/boost/smart_ptr/detail/atomic_count_pthreads.hpp')
-rw-r--r-- | cutl/details/boost/smart_ptr/detail/atomic_count_pthreads.hpp | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/cutl/details/boost/smart_ptr/detail/atomic_count_pthreads.hpp b/cutl/details/boost/smart_ptr/detail/atomic_count_pthreads.hpp deleted file mode 100644 index 711494d..0000000 --- a/cutl/details/boost/smart_ptr/detail/atomic_count_pthreads.hpp +++ /dev/null @@ -1,96 +0,0 @@ -#ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_PTHREADS_HPP_INCLUDED -#define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_PTHREADS_HPP_INCLUDED - -// -// boost/detail/atomic_count_pthreads.hpp -// -// Copyright (c) 2001, 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 <pthread.h> - -// -// The generic pthread_mutex-based implementation sometimes leads to -// inefficiencies. Example: a class with two atomic_count members -// can get away with a single mutex. -// -// Users can detect this situation by checking BOOST_AC_USE_PTHREADS. -// - -namespace cutl_details_boost -{ - -namespace detail -{ - -class atomic_count -{ -private: - - class scoped_lock - { - public: - - scoped_lock(pthread_mutex_t & m): m_(m) - { - pthread_mutex_lock(&m_); - } - - ~scoped_lock() - { - pthread_mutex_unlock(&m_); - } - - private: - - pthread_mutex_t & m_; - }; - -public: - - explicit atomic_count(long v): value_(v) - { - pthread_mutex_init(&mutex_, 0); - } - - ~atomic_count() - { - pthread_mutex_destroy(&mutex_); - } - - long operator++() - { - scoped_lock lock(mutex_); - return ++value_; - } - - long operator--() - { - scoped_lock lock(mutex_); - return --value_; - } - - operator long() const - { - scoped_lock lock(mutex_); - return value_; - } - -private: - - atomic_count(atomic_count const &); - atomic_count & operator=(atomic_count const &); - - mutable pthread_mutex_t mutex_; - long value_; -}; - -} // namespace detail - -} // namespace cutl_details_boost - -#endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_PTHREADS_HPP_INCLUDED |