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// -*- C++ -*-
// Module: Log4CPLUS
// File: threads.h
// Created: 6/2001
// Author: Tad E. Smith
//
//
// Copyright 2001-2017 Tad E. Smith
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/** @file */
#ifndef LOG4CPLUS_THREADS_HEADER_
#define LOG4CPLUS_THREADS_HEADER_
#include <log4cplus/config.hxx>
#if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
#pragma once
#endif
#include <memory>
#include <thread>
#include <log4cplus/tstring.h>
#include <log4cplus/helpers/pointer.h>
namespace log4cplus { namespace thread {
LOG4CPLUS_EXPORT log4cplus::tstring const & getCurrentThreadName();
LOG4CPLUS_EXPORT log4cplus::tstring const & getCurrentThreadName2();
LOG4CPLUS_EXPORT void setCurrentThreadName(const log4cplus::tstring & name);
LOG4CPLUS_EXPORT void setCurrentThreadName2(const log4cplus::tstring & name);
LOG4CPLUS_EXPORT void yield();
LOG4CPLUS_EXPORT void blockAllSignals();
/**
* This class blocks all POSIX signals when created and unblocks them when
* destroyed.
*/
class LOG4CPLUS_EXPORT SignalsBlocker
{
public:
SignalsBlocker();
~SignalsBlocker();
private:
struct SignalsBlockerImpl;
std::unique_ptr<SignalsBlockerImpl> impl;
};
#ifndef LOG4CPLUS_SINGLE_THREADED
/**
* There are many cross-platform C++ Threading libraries. The goal of
* this class is not to replace (or match in functionality) those
* libraries. The goal of this class is to provide a simple Threading
* class with basic functionality.
*/
class LOG4CPLUS_EXPORT AbstractThread
: public virtual log4cplus::helpers::SharedObject
{
public:
AbstractThread();
// Disallow copying of instances of this class.
AbstractThread(const AbstractThread&) = delete;
AbstractThread& operator=(const AbstractThread&) = delete;
bool isRunning() const;
virtual void start();
void join () const;
virtual void run() = 0;
protected:
// Force objects to be constructed on the heap
virtual ~AbstractThread();
private:
enum Flags
{
fRUNNING = 1,
fJOINED = 2
};
std::unique_ptr<std::thread> thread;
mutable std::atomic<int> flags;
};
typedef helpers::SharedObjectPtr<AbstractThread> AbstractThreadPtr;
#endif // LOG4CPLUS_SINGLE_THREADED
} } // namespace log4cplus { namespace thread {
#endif // LOG4CPLUS_THREADS_HEADER_
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