initial import

Foundation/src/Thread_WIN32.cpp

@@ -0,0 +1,160 @@
+//
+// Thread_WIN32.h
+//
+// $Id: //poco/1.1.0/Foundation/src/Thread_WIN32.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 "Foundation/Thread_WIN32.h"
+#include "Foundation/Exception.h"
+#include "Foundation/ErrorHandler.h"
+#include <process.h>
+
+
+Foundation_BEGIN
+
+
+DWORD ThreadImpl::_currentKey = TLS_OUT_OF_INDEXES;
+
+
+ThreadImpl::ThreadImpl(): _pTarget(0), _thread(0), _prio(PRIO_NORMAL_IMPL)
+{
+	if (_currentKey == TLS_OUT_OF_INDEXES)
+	{
+		_currentKey = TlsAlloc();
+		if (_currentKey == TLS_OUT_OF_INDEXES)
+			throw SystemException("cannot allocate thread context key");
+	}
+}
+
+			
+ThreadImpl::~ThreadImpl()
+{
+	if (_thread) CloseHandle(_thread);
+}
+
+
+void ThreadImpl::setPriorityImpl(int prio)
+{
+	if (prio != _prio)
+	{
+		_prio = prio;
+		if (_thread)
+		{
+			if (SetThreadPriority(_thread, _prio) == 0)
+				throw SystemException("cannot set thread priority");
+		}
+	}
+}
+
+
+void ThreadImpl::startImpl(Runnable& target)
+{
+	if (_thread) throw SystemException("thread already running");
+
+	_pTarget = &target;
+#if defined(_DLL)
+	DWORD threadId;
+	_thread = CreateThread(NULL, 0, entry, this, 0, &threadId);
+#else
+	unsigned threadId;
+	_thread = (HANDLE) _beginthreadex(NULL, 0, entry, this, 0, &threadId);
+#endif
+	if (!_thread)
+		throw SystemException("cannot create thread");
+	if (_prio != PRIO_NORMAL_IMPL && !SetThreadPriority(_thread, _prio))
+		throw SystemException("cannot set thread priority");
+}
+
+
+void ThreadImpl::joinImpl()
+{
+	if (!_thread) return;
+
+	switch (WaitForSingleObject(_thread, INFINITE))
+	{
+	case WAIT_OBJECT_0:
+		return;
+	default:
+		throw SystemException("cannot join thread");
+	}
+}
+
+
+bool ThreadImpl::isRunningImpl() const
+{
+	if (_thread)
+	{
+		DWORD ec = 0;
+		return GetExitCodeThread(_thread, &ec) && ec == STILL_ACTIVE;
+	}
+	return false;
+}
+
+
+ThreadImpl* ThreadImpl::currentImpl()
+{
+	if (_currentKey == TLS_OUT_OF_INDEXES)
+		return 0;
+	else
+		return (ThreadImpl*) TlsGetValue(_currentKey);
+}
+
+
+#if defined(_DLL)
+DWORD WINAPI ThreadImpl::entry(LPVOID pThread)
+#else
+unsigned __stdcall ThreadImpl::entry(void* pThread)
+#endif
+{
+	TlsSetValue(_currentKey, pThread);
+	try
+	{
+		reinterpret_cast<ThreadImpl*>(pThread)->_pTarget->run();
+	}
+	catch (Exception& exc)
+	{
+		ErrorHandler::handle(exc);
+	}
+	catch (std::exception& exc)
+	{
+		ErrorHandler::handle(exc);
+	}
+	catch (...)
+	{
+		ErrorHandler::handle();
+	}
+	return 0;
+}
+
+
+Foundation_END