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d0cf21654e
This was the last player class. This code was also cleaned up for non-Windows systems where CD Audio is not implemented. Instead of providing an empty implementation, all related code is now explicitly deactivated.
85 lines
2.7 KiB
C++
85 lines
2.7 KiB
C++
/*
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** helperthread.h
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**
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**---------------------------------------------------------------------------
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** Copyright 1998-2006 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#ifndef __HELPERTHREAD_H__
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#define __HELPERTHREAD_H__
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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class FHelperThread
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{
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struct Message
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{
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DWORD Method;
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DWORD Parm1, Parm2, Parm3;
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HANDLE CompletionEvent; // Set to signalled when message is finished processing
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DWORD Return;
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};
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enum { MSG_QUEUE_SIZE = 8 };
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public:
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FHelperThread ();
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virtual ~FHelperThread ();
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void DestroyThread ();
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bool LaunchThread ();
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DWORD SendMessage (DWORD method, DWORD parm1, DWORD parm2,
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DWORD parm3, bool wait);
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bool HaveThread () const;
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protected:
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enum EThreadEvents { THREAD_NewMessage, THREAD_KillSelf };
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virtual bool Init () { return true; }
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virtual void Deinit () {}
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virtual void DefaultDispatch () {}
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virtual DWORD Dispatch (DWORD method, DWORD parm1=0, DWORD parm2=0, DWORD parm3=0) = 0;
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virtual const char *ThreadName () = 0;
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HANDLE ThreadHandle;
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DWORD ThreadID;
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HANDLE Thread_Events[2];
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CRITICAL_SECTION Thread_Critical;
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Message Messages[MSG_QUEUE_SIZE];
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DWORD MessageHead;
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DWORD MessageTail;
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private:
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void ReleaseSynchronizers ();
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static DWORD WINAPI ThreadLaunch (LPVOID me);
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DWORD ThreadLoop ();
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};
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#endif //__HELPERTHREAD_H__
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