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/*
* ZeroTier One - Global Peer to Peer Ethernet
* Copyright (C) 2012-2013 ZeroTier Networks LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* --
*
* ZeroTier may be used and distributed under the terms of the GPLv3, which
* are available at: http://www.gnu.org/licenses/gpl-3.0.html
*
* If you would like to embed ZeroTier into a commercial application or
* redistribute it in a modified binary form, please contact ZeroTier Networks
* LLC. Start here: http://www.zerotier.com/
*/
#ifndef _ZT_THREAD_HPP
#define _ZT_THREAD_HPP
#include "NonCopyable.hpp"
#include "AtomicCounter.hpp"
namespace ZeroTier {
/**
* Wrapper for OS-dependent thread functions like pthread_create, etc.
*/
class Thread : NonCopyable
{
public:
Thread();
virtual ~Thread();
/**
* Start thread -- can only be called once
*/
void start();
/**
* Wait for thread to terminate
*
* More than one thread should not simultaneously use join().
*/
void join();
/**
* @return True if thread is running
*/
inline bool running() const { return (*_running > 0); }
/**
* Internal bounce method; do not call or override
*/
void __intl_run();
/**
* Sleep the current thread
*
* @param ms Milliseconds to sleep
*/
static void sleep(unsigned long ms);
protected:
/**
* Override to set a thread main function
*/
virtual void main()
throw();
/**
* Subclasses can set to true to cause Thread to delete itself on exit
*/
volatile bool suicidalThread;
private:
void *_impl;
AtomicCounter _running;
volatile bool _notInit;
};
} // namespace ZeroTier
#endif
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