text: /*
    Copyright 1999-2008 ImageMagick Studio LLC, a non-profit organization
    dedicated to making software imaging solutions freely available.
    
    You may not use this file except in compliance with the License.
    obtain a copy of the License at
    
      http://www.imagemagick.org/script/license.php
    
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
  
    MagickCore methods to lock and unlock semaphores.
  */
  #ifndef _MAGICKCORE_SEMAPHORE_H
  #define _MAGICKCORE_SEMAPHORE_H
  
  #if defined(__cplusplus) || defined(c_plusplus)
  extern "C" {
  #endif
  
  typedef struct SemaphoreInfo
    SemaphoreInfo;
  
  extern MagickExport MagickBooleanType
    LockSemaphoreInfo(SemaphoreInfo *),
    UnlockSemaphoreInfo(SemaphoreInfo *);
  
  extern MagickExport SemaphoreInfo
    *AllocateSemaphoreInfo(void),
    *DestroySemaphoreInfo(SemaphoreInfo *);
  
  extern MagickExport void
    AcquireSemaphoreInfo(SemaphoreInfo **),
    DestroySemaphore(void),
    InitializeSemaphore(void),
    RelinquishSemaphoreInfo(SemaphoreInfo *);
  
  #if defined(__cplusplus) || defined(c_plusplus)
  }
  #endif
  
  #endif
  