X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fthreadengines%2Fthreadengine_win32.h;h=45be0ff06077a58877cf59cdd1058f681d499469;hb=ee08a00d1ba447072484f96c445e985f15f48e49;hp=e69de29bb2d1d6434b8b29ae775ad8c2e48c5391;hpb=9dbd7d10ac81c6445c58f4abb4f0eff240a8f9d2;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/include/threadengines/threadengine_win32.h b/include/threadengines/threadengine_win32.h
index e69de29bb..45be0ff06 100644
--- a/include/threadengines/threadengine_win32.h
+++ b/include/threadengines/threadengine_win32.h
@@ -0,0 +1,145 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
+ *
+ * This file is part of InspIRCd.  InspIRCd 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, version 2.
+ *
+ * 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/>.
+ */
+
+
+#pragma once
+
+#include "config.h"
+#include "base.h"
+
+class Thread;
+
+/** The ThreadEngine class has the responsibility of initialising
+ * Thread derived classes. It does this by creating operating system
+ * level threads which are then associated with the class transparently.
+ * This allows Thread classes to be derived without needing to know how
+ * the OS implements threads. You should ensure that any sections of code
+ * that use threads are threadsafe and do not interact with any other
+ * parts of the code which are NOT known threadsafe! If you really MUST
+ * access non-threadsafe code from a Thread, use the Mutex class to wrap
+ * access to the code carefully.
+ */
+class CoreExport ThreadEngine
+{
+ public:
+
+	ThreadEngine();
+
+	virtual ~ThreadEngine();
+
+	static DWORD WINAPI Entry(void* parameter);
+
+	/** Create a new thread. This takes an already allocated
+	  * Thread* pointer and initializes it to use this threading
+	  * engine. On failure, this function may throw a CoreException.
+	  * @param thread_to_init Pointer to a newly allocated Thread
+	  * derived object.
+	  */
+	void Start(Thread* thread_to_init);
+};
+
+class CoreExport ThreadData
+{
+ public:
+	HANDLE handle;
+	void FreeThread(Thread* toFree);
+};
+
+/** The Mutex class represents a mutex, which can be used to keep threads
+ * properly synchronised. Use mutexes sparingly, as they are a good source
+ * of thread deadlocks etc, and should be avoided except where absolutely
+ * neccessary. Note that the internal behaviour of the mutex varies from OS
+ * to OS depending on the thread engine, for example in windows a Mutex
+ * in InspIRCd uses critical sections, as they are faster and simpler to
+ * manage.
+ */
+class CoreExport Mutex
+{
+ private:
+	CRITICAL_SECTION wutex;
+ public:
+	Mutex()
+	{
+		InitializeCriticalSection(&wutex);
+	}
+	void Lock()
+	{
+		EnterCriticalSection(&wutex);
+	}
+	void Unlock()
+	{
+		LeaveCriticalSection(&wutex);
+	}
+	~Mutex()
+	{
+		DeleteCriticalSection(&wutex);
+	}
+};
+
+class ThreadQueueData
+{
+	CRITICAL_SECTION mutex;
+	HANDLE event;
+ public:
+	ThreadQueueData()
+	{
+		event = CreateEvent(NULL, false, false, NULL);
+		if (event == NULL)
+			throw CoreException("CreateEvent() failed in ThreadQueueData::ThreadQueueData()!");
+		InitializeCriticalSection(&mutex);
+	}
+
+	~ThreadQueueData()
+	{
+		CloseHandle(event);
+		DeleteCriticalSection(&mutex);
+	}
+
+	void Lock()
+	{
+		EnterCriticalSection(&mutex);
+	}
+
+	void Unlock()
+	{
+		LeaveCriticalSection(&mutex);
+	}
+
+	void Wakeup()
+	{
+		PulseEvent(event);
+	}
+
+	void Wait()
+	{
+		LeaveCriticalSection(&mutex);
+		WaitForSingleObject(event, INFINITE);
+		EnterCriticalSection(&mutex);
+	}
+};
+
+class ThreadSignalData
+{
+ public:
+	int connFD;
+	ThreadSignalData()
+	{
+		connFD = -1;
+	}
+};