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160 lines
3.1 KiB
160 lines
3.1 KiB
// -*- C++ -*-
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// Module: Log4CPLUS
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// File: threads.h
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// Created: 6/2001
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// Author: Tad E. Smith
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//
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//
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// Copyright 2001-2010 Tad E. Smith
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/** @file */
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#ifndef LOG4CPLUS_IMPL_THREADS_IMPL_HEADER_
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#define LOG4CPLUS_IMPL_THREADS_IMPL_HEADER_
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#include <log4cplus/config.hxx>
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#if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
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#pragma once
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#endif
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#if defined (_WIN32)
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#include <log4cplus/config/windowsh-inc.h>
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#endif
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#include <log4cplus/tstring.h>
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#include <log4cplus/helpers/pointer.h>
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#include <log4cplus/thread/threads.h>
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#if ! defined (INSIDE_LOG4CPLUS)
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# error "This header must not be be used outside log4cplus' implementation files."
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#endif
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namespace log4cplus { namespace thread { namespace impl {
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#if defined (LOG4CPLUS_USE_PTHREADS)
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typedef pthread_t os_handle_type;
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typedef pthread_t os_id_type;
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inline
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pthread_t
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getCurrentThreadId ()
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{
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return pthread_self ();
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}
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#elif defined (LOG4CPLUS_USE_WIN32_THREADS)
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typedef HANDLE os_handle_type;
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typedef DWORD os_id_type;
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inline
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DWORD
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getCurrentThreadId ()
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{
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return GetCurrentThreadId ();
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}
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#elif defined (LOG4CPLUS_SINGLE_THREADED)
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typedef void * os_handle_type;
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typedef int os_id_type;
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inline
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int
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getCurrentThreadId ()
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{
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return 1;
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}
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#endif
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#ifndef LOG4CPLUS_SINGLE_THREADED
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struct ThreadStart
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{
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# ifdef LOG4CPLUS_USE_PTHREADS
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static void* threadStartFuncWorker(void *);
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# elif defined(LOG4CPLUS_USE_WIN32_THREADS)
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static unsigned threadStartFuncWorker(void *);
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# endif
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};
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/**
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* There are many cross-platform C++ Threading libraries. The goal of
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* this class is not to replace (or match in functionality) those
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* libraries. The goal of this class is to provide a simple Threading
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* class with basic functionality.
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*/
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class Thread
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: public ThreadImplBase
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{
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public:
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Thread();
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bool isRunning() const;
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os_id_type getThreadId() const;
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os_handle_type getThreadHandle () const;
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void start();
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void join ();
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protected:
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// Force objects to be constructed on the heap
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virtual ~Thread();
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virtual void run() = 0;
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private:
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// Friends.
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friend struct ThreadStart;
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enum Flags
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{
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fRUNNING = 0x01,
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fJOINED = 0x02
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};
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unsigned flags;
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os_handle_type handle;
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# if defined(LOG4CPLUS_USE_WIN32_THREADS)
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unsigned thread_id;
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# endif
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// Disallow copying of instances of this class.
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Thread(const Thread&);
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Thread& operator=(const Thread&);
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};
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typedef helpers::SharedObjectPtr<Thread> ThreadPtr;
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#endif // LOG4CPLUS_SINGLE_THREADED
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} } } // namespace log4cplus { namespace thread { namespace impl {
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#endif // LOG4CPLUS_IMPL_THREADS_IMPL_HEADER_
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