poco/Foundation/src/Thread.cpp

//
// Thread.cpp
//
// $Id: //poco/1.4/Foundation/src/Thread.cpp#2 $
//
// Library: Foundation
// Package: Threading
// Module:  Thread
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#include "Poco/Thread.h"
#include "Poco/Mutex.h"
#include "Poco/Exception.h"
#include "Poco/ThreadLocal.h"
#include <sstream>


#if defined(POCO_OS_FAMILY_WINDOWS)
#if defined(_WIN32_WCE)
#include "Thread_WINCE.cpp"
#else
#include "Thread_WIN32.cpp"
#endif
#elif defined(POCO_VXWORKS)
#include "Thread_VX.cpp"
#else
#include "Thread_POSIX.cpp"
#endif


namespace Poco {


Thread::Thread(): 
	_id(uniqueId()), 
	_name(makeName()), 
	_pTLS(0)
{
}


Thread::Thread(const std::string& name): 
	_id(uniqueId()), 
	_name(name), 
	_pTLS(0)
{
}


Thread::~Thread()
{
	delete _pTLS;
}


void Thread::setPriority(Priority prio)
{
	setPriorityImpl(prio);
}


Thread::Priority Thread::getPriority() const
{
	return Priority(getPriorityImpl());
}


void Thread::start(Runnable& target)
{
	startImpl(target);
}


void Thread::start(Callable target, void* pData)
{
	startImpl(target, pData);
}


void Thread::join()
{
	joinImpl();
}


void Thread::join(long milliseconds)
{
	if (!joinImpl(milliseconds))
		throw TimeoutException();
}


bool Thread::tryJoin(long milliseconds)
{
	return joinImpl(milliseconds);
}


ThreadLocalStorage& Thread::tls()
{
	if (!_pTLS)
		_pTLS = new ThreadLocalStorage;
	return *_pTLS;
}


void Thread::clearTLS()
{
	if (_pTLS)
	{
		delete _pTLS;
		_pTLS = 0;
	}
}


std::string Thread::makeName()
{
	std::ostringstream name;
	name << '#' << _id;
	return name.str();
}


namespace
{
	static FastMutex uniqueIdMutex;
}


int Thread::uniqueId()
{
	FastMutex::ScopedLock lock(uniqueIdMutex);

	static unsigned count = 0;
	++count;
	return count;
}


void Thread::setName(const std::string& name)
{
	FastMutex::ScopedLock lock(_mutex);

	_name = name;
}


} // namespace Poco