1                 : /******************************************************************************
       2                 :  *
       3                 :  * Purpose:  Interface. PCIDSK Mutex Class.
       4                 :  * 
       5                 :  ******************************************************************************
       6                 :  * Copyright (c) 2009
       7                 :  * PCI Geomatics, 50 West Wilmot Street, Richmond Hill, Ont, Canada
       8                 :  *
       9                 :  * Permission is hereby granted, free of charge, to any person obtaining a
      10                 :  * copy of this software and associated documentation files (the "Software"),
      11                 :  * to deal in the Software without restriction, including without limitation
      12                 :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      13                 :  * and/or sell copies of the Software, and to permit persons to whom the
      14                 :  * Software is furnished to do so, subject to the following conditions:
      15                 :  *
      16                 :  * The above copyright notice and this permission notice shall be included
      17                 :  * in all copies or substantial portions of the Software.
      18                 :  *
      19                 :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
      20                 :  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      21                 :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
      22                 :  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      23                 :  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
      24                 :  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
      25                 :  * DEALINGS IN THE SOFTWARE.
      26                 :  ****************************************************************************/
      27                 : #ifndef __INCLUDE_PCIDSK_MUTEX_H
      28                 : #define __INCLUDE_PCIDSK_MUTEX_H
      29                 : 
      30                 : #include "pcidsk_config.h"
      31                 : 
      32                 : namespace PCIDSK
      33                 : {
      34                 : /************************************************************************/
      35                 : /*                                Mutex                                 */
      36                 : /************************************************************************/
      37                 : 
      38                 :     class Mutex
      39             112 :     {
      40                 :     public:
      41             112 :         virtual ~Mutex() {}
      42                 : 
      43                 :         virtual int  Acquire() = 0;
      44                 :         virtual int  Release() = 0;
      45                 :     };
      46                 : 
      47                 :     Mutex PCIDSK_DLL *DefaultCreateMutex(void);    
      48                 : } // end namespace PCIDSK
      49                 : 
      50                 : #endif // __INCLUDE_PCIDSK_MUTEX_H