include/Mutex.h

   1 /***************************************************************************
   2  *                                                                         *
   3  *    Copyright (C) Lakshya Solutions Ltd. All rights reserved.            *
   4  *                                                                         *
   5  ***************************************************************************/
   6
   7 #ifndef MUTEX_H
   8 #define MUTEX_H
   9 #include<os.h>
  10 typedef unsigned int Lock;
  11 class Mutex
  12 {
  13     int noOfRead;
  14     #if defined(sparc) || defined(i686) || defined (x86_64)
  15     Lock lock;
  16     #else
  17     pthread_mutex_t mutex_;
  18     #endif
  19     public:
  20     char name[20];
  21     Mutex();
  22     int init();
  23     int init(char *name);
  24     int tryLock(int tries=0, int waitmsecs=0,bool share=false);
  25     int getLock(int procSlot, bool procAccount=true,bool share=false);
  26     int releaseLock(int procSlot, bool procAccount=true,bool share=false);
  27     int destroy();
  28     int recoverMutex();
  29     static int CASL(long *ptr, long oldVal, long newVal);
  30     static int CAS(int *ptr, int oldVal, int newVal);
  31 };
  32
  33 #endif