include/Mutex.h

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by www.databasecache.com                           *
   3  *   Contact: praba_tuty@databasecache.com                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15   ***************************************************************************/
  16 #ifndef MUTEX_H
  17 #define MUTEX_H
  18 #include<os.h>
  19     #if defined(sparc)
  20     typedef unsigned char Lock;
  21     #elif defined (i686)
  22     typedef unsigned int Lock;
  23     #endif
  24 class Mutex
  25 {
  26
  27     #if defined(sparc) || defined(i686)
  28     Lock lock;
  29     #else
  30     pthread_mutex_t mutex_;
  31     #endif
  32     public:
  33     char name[20];
  34     Mutex();
  35     int init();
  36     int init(char *name);
  37     int tryLock(int tries=0, int waitmsecs=0);
  38     int getLock(int procSlot, bool procAccount=true);
  39     int releaseLock(int procSlot, bool procAccount=true);
  40     int destroy();
  41     int recoverMutex();
  42 };
  43
  44 #endif