Win32Semaphore.hGo to the documentation of this file.00001 /* 00002 * Copyright (c) 2000-2003 Barak Weichselbaum <barak@komodia.com> 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 00014 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 00015 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00016 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00017 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 00018 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00019 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00020 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00021 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00022 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00023 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00024 * SUCH DAMAGE. 00025 * 00026 * Contact info: 00027 * ------------- 00028 * 00029 * Site: http://www.komodia.com 00030 * Main contact: barak@komodia.com 00031 * For custom projects, 00032 * consulting, or other 00033 * paid services: sales@komodia.com 00034 */ 00035 00036 #if !defined(AFX_WIN32SEMAPHORE_H__D4CAE2C0_64CC_4329_8253_1A50F7C3A80E__INCLUDED_) 00037 #define AFX_WIN32SEMAPHORE_H__D4CAE2C0_64CC_4329_8253_1A50F7C3A80E__INCLUDED_ 00038 00039 #if _MSC_VER > 1000 00040 #pragma once 00041 #endif // _MSC_VER > 1000 00042 00043 #include "GenericSemaphore.h" 00044 00045 KOMODIA_NAMESPACE_START 00046 00047 class CWin32Semaphore : public CGenericSemaphore 00048 { 00049 public: 00050 //Release the object 00051 virtual void ReleaseObject(); 00052 00053 //Wait for the semaphore 00054 //Returns TRUE for timeout 00055 virtual BOOL Aquire(unsigned long ulMSTimeout=INFINITE); 00056 00057 //Decrease the semaphore count 00058 virtual long Release(long lAmount=1); 00059 00060 //Ctor and Dtor 00061 //lInitialCount - The count the semaphore starts with 00062 //lMaxCount - Maximum count of the semaphore (can't exceed it) 00063 //pSemaphoreName - Name of the semaphore (for multiproccess) 00064 CWin32Semaphore(long lInitialCount, 00065 long lMaxCount, 00066 const char* pSemaphoreName=NULL); 00067 virtual ~CWin32Semaphore(); 00068 protected: 00069 //Get the handle 00070 virtual HANDLE GetHandle()const; 00071 private: 00072 //No copy ctor 00073 CWin32Semaphore(const CWin32Semaphore& rSemaphore); 00074 00075 //No copy operator 00076 CWin32Semaphore* operator=(const CWin32Semaphore& rSemaphore); 00077 00078 //Our semaphore 00079 HANDLE m_hSemaphore; 00080 00081 //Don't delete 00082 BOOL m_bDontDelete; 00083 }; 00084 00085 KOMODIA_NAMESPACE_END 00086 00087 #endif // !defined(AFX_WIN32SEMAPHORE_H__D4CAE2C0_64CC_4329_8253_1A50F7C3A80E__INCLUDED_) |