www.pudn.com > PtOpenGuiSourceCode.zip > semaphore.h

/* 
  Methods to lock and unlock semaphores. 
*/ 
#ifndef _MAGICK_SEMAPHORE_H 
#define _MAGICK_SEMAPHORE_H 
 
#if defined(__cplusplus) || defined(c_plusplus) 
extern "C" { 
#endif 
 
typedef struct SemaphoreInfo SemaphoreInfo; 
 
extern MagickExport SemaphoreInfo 
  *AllocateSemaphoreInfo(void); 
 
extern MagickExport unsigned int 
  LockSemaphoreInfo(SemaphoreInfo *), 
  UnlockSemaphoreInfo(SemaphoreInfo *); 
 
extern MagickExport void 
  AcquireSemaphoreInfo(SemaphoreInfo **), 
  DestroySemaphore(void), 
  DestroySemaphoreInfo(SemaphoreInfo **), 
  InitializeSemaphore(void), 
  LiberateSemaphoreInfo(SemaphoreInfo **); 
 
#if defined(__cplusplus) || defined(c_plusplus) 
} 
#endif 
 
#endif