MagickCore 7.1.1
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semaphore.h
1/*
2 Copyright @ 2000 ImageMagick Studio LLC, a non-profit organization
3 dedicated to making software imaging solutions freely available.
4
5 You may not use this file except in compliance with the License. You may
6 obtain a copy of the License at
7
8 https://imagemagick.org/script/license.php
9
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
15
16 MagickCore methods to lock and unlock semaphores.
17*/
18#ifndef MAGICKCORE_SEMAPHORE_H
19#define MAGICKCORE_SEMAPHORE_H
20
21#if defined(__cplusplus) || defined(c_plusplus)
22extern "C" {
23#endif
24
25typedef struct SemaphoreInfo
27
28extern MagickExport SemaphoreInfo
29 *AcquireSemaphoreInfo(void);
30
31extern MagickExport void
32 ActivateSemaphoreInfo(SemaphoreInfo **),
33 LockSemaphoreInfo(SemaphoreInfo *),
34 RelinquishSemaphoreInfo(SemaphoreInfo **),
35 UnlockSemaphoreInfo(SemaphoreInfo *);
36
37#if defined(__cplusplus) || defined(c_plusplus)
38}
39#endif
40
41#endif