mirror of git://gcc.gnu.org/git/gcc.git
163 lines
4.2 KiB
C++
163 lines
4.2 KiB
C++
// <condition_variable> -*- C++ -*-
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// Copyright (C) 2008 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this library; see the file COPYING. If not, write to
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// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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// Boston, MA 02110-1301, USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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/** @file condition_variable
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* This is a Standard C++ Library header.
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*/
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#ifndef _GLIBCXX_CONDITION_VARIABLE
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#define _GLIBCXX_CONDITION_VARIABLE 1
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#pragma GCC system_header
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#ifndef __GXX_EXPERIMENTAL_CXX0X__
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# include <c++0x_warning.h>
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#endif
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#include <mutex> // unique_lock
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namespace std
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{
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// XXX
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class system_time;
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/// condition_variable
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class condition_variable
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{
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public:
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#if __GTHREAD_HAS_COND
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typedef __gthread_cond_t native_handle_type;
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#else
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typedef int native_handle_type;
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#endif
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condition_variable();
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~condition_variable();
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void
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notify_one();
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void
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notify_all();
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void
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wait(unique_lock<mutex>& __lock);
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template<typename _Predicate>
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void
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wait(unique_lock<mutex>& __lock, _Predicate __p)
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{
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while (!__p())
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wait(__lock);
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}
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template<typename _Duration>
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bool
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timed_wait(unique_lock<mutex>& __lock, const _Duration& __rtime);
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bool
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timed_wait(unique_lock<mutex>& __lock, const system_time& __atime);
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template<typename _Predicate>
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bool
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timed_wait(unique_lock<mutex>& __lock, const system_time& __atime,
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_Predicate pred);
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template<typename _Duration, typename _Predicate>
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bool
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timed_wait(unique_lock<mutex>& __lock, const _Duration& __rtime,
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_Predicate pred);
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native_handle_type
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native_handle() { return _M_cond; }
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private:
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native_handle_type _M_cond;
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condition_variable(const condition_variable&);
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condition_variable& operator=(const condition_variable&);
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};
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/// condition_variable_any
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// Like above, only mutex may not have try_lock.
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class condition_variable_any
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{
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public:
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#if __GTHREAD_HAS_COND
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typedef __gthread_cond_t native_handle_type;
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#else
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typedef int native_handle_type;
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#endif
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condition_variable_any();
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~condition_variable_any();
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void
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notify_one();
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void
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notify_all();
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template<typename _Lock>
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void
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wait(_Lock& __lock);
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template<typename _Lock, typename _Predicate>
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void
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wait(_Lock& __lock, _Predicate __p);
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template<typename _Lock>
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bool
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timed_wait(_Lock& __lock, const system_time& __atime);
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template<typename _Lock, typename _Duration>
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bool
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timed_wait(_Lock& __lock, const _Duration& __rtime);
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template<typename _Lock, typename _Predicate>
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bool
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timed_wait(_Lock& __lock, const system_time& __atime, _Predicate __p);
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template<typename _Lock, typename _Duration, typename _Predicate>
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bool
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timed_wait(_Lock& __lock, const _Duration& __rtime, _Predicate __p);
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native_handle_type
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native_handle() { return _M_cond; }
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private:
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native_handle_type _M_cond;
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condition_variable_any(const condition_variable_any&);
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condition_variable_any& operator=(const condition_variable_any&);
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};
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}
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#endif
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