imagemagick/magick/semaphore.h

49 lines
1.3 KiB
C

/*
Copyright 1999-2021 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. You may
obtain a copy of the License at
https://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 void
SemaphoreComponentTerminus(void);
extern MagickExport MagickBooleanType
SemaphoreComponentGenesis(void);
extern MagickExport SemaphoreInfo
*AllocateSemaphoreInfo(void);
extern MagickExport void
ActivateSemaphoreInfo(SemaphoreInfo **),
DestroySemaphoreInfo(SemaphoreInfo **),
LockSemaphoreInfo(SemaphoreInfo *),
SemaphoreComponentTerminus(void),
UnlockSemaphoreInfo(SemaphoreInfo *);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif