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107 lines
3.2 KiB
107 lines
3.2 KiB
#ifndef BOOST_THREAD_PTHREAD_CONDITION_VARIABLE_FWD_HPP |
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#define BOOST_THREAD_PTHREAD_CONDITION_VARIABLE_FWD_HPP |
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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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// (C) Copyright 2007-8 Anthony Williams |
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#include <boost/assert.hpp> |
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#include <boost/throw_exception.hpp> |
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#include <pthread.h> |
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#include <boost/thread/mutex.hpp> |
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#include <boost/thread/locks.hpp> |
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#include <boost/thread/thread_time.hpp> |
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#include <boost/thread/xtime.hpp> |
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#include <boost/config/abi_prefix.hpp> |
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namespace boost |
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{ |
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class condition_variable |
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{ |
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private: |
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pthread_mutex_t internal_mutex; |
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pthread_cond_t cond; |
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condition_variable(condition_variable&); |
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condition_variable& operator=(condition_variable&); |
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public: |
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condition_variable() |
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{ |
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int const res=pthread_mutex_init(&internal_mutex,NULL); |
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if(res) |
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{ |
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boost::throw_exception(thread_resource_error()); |
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} |
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int const res2=pthread_cond_init(&cond,NULL); |
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if(res2) |
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{ |
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BOOST_VERIFY(!pthread_mutex_destroy(&internal_mutex)); |
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boost::throw_exception(thread_resource_error()); |
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} |
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} |
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~condition_variable() |
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{ |
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BOOST_VERIFY(!pthread_mutex_destroy(&internal_mutex)); |
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BOOST_VERIFY(!pthread_cond_destroy(&cond)); |
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} |
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void wait(unique_lock<mutex>& m); |
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template<typename predicate_type> |
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void wait(unique_lock<mutex>& m,predicate_type pred) |
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{ |
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while(!pred()) wait(m); |
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} |
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inline bool timed_wait(unique_lock<mutex>& m, |
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boost::system_time const& wait_until); |
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bool timed_wait(unique_lock<mutex>& m,xtime const& wait_until) |
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{ |
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return timed_wait(m,system_time(wait_until)); |
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} |
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template<typename duration_type> |
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bool timed_wait(unique_lock<mutex>& m,duration_type const& wait_duration) |
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{ |
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return timed_wait(m,get_system_time()+wait_duration); |
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} |
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template<typename predicate_type> |
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bool timed_wait(unique_lock<mutex>& m,boost::system_time const& wait_until,predicate_type pred) |
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{ |
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while (!pred()) |
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{ |
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if(!timed_wait(m, wait_until)) |
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return pred(); |
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} |
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return true; |
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} |
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template<typename predicate_type> |
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bool timed_wait(unique_lock<mutex>& m,xtime const& wait_until,predicate_type pred) |
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{ |
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return timed_wait(m,system_time(wait_until),pred); |
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} |
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template<typename duration_type,typename predicate_type> |
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bool timed_wait(unique_lock<mutex>& m,duration_type const& wait_duration,predicate_type pred) |
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{ |
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return timed_wait(m,get_system_time()+wait_duration,pred); |
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} |
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typedef pthread_cond_t* native_handle_type; |
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native_handle_type native_handle() |
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{ |
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return &cond; |
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} |
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void notify_one(); |
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void notify_all(); |
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}; |
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} |
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#include <boost/config/abi_suffix.hpp> |
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#endif
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