include/Mutex.h

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00001 /***************************************************************************
00002  *   Copyright (C) 2007 by www.databasecache.com                           *
00003  *   Contact: praba_tuty@databasecache.com                                 *
00004  *                                                                         *
00005  *   This program is free software; you can redistribute it and/or modify  *
00006  *   it under the terms of the GNU General Public License as published by  *
00007  *   the Free Software Foundation; either version 2 of the License, or     *
00008  *   (at your option) any later version.                                   *
00009  *                                                                         *
00010  *   This program is distributed in the hope that it will be useful,       *
00011  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00012  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
00013  *   GNU General Public License for more details.                          *
00014  *                                                                         *
00015   ***************************************************************************/
00016 #ifndef MUTEX_H
00017 #define MUTEX_H
00018 #include<os.h>
00019     #if defined(sparc)
00020     typedef unsigned char Lock;
00021     #elif defined (i686)
00022     typedef unsigned int Lock;
00023     #endif
00024 class Mutex
00025 {
00026 
00027     #if defined(sparc) || defined(i686)
00028     Lock lock;
00029     #else
00030     pthread_mutex_t mutex_;
00031     #endif
00032     public:
00033     char name[20];
00034     Mutex();
00035     int init();
00036     int init(char *name);
00037     int tryLock(int tries=0, int waitmsecs=0);
00038     int getLock(int procSlot, bool procAccount=true);
00039     int releaseLock(int procSlot, bool procAccount=true);
00040     int destroy();
00041 };
00042 
00043 #endif

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