86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
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/*
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Copyright (c) 2011-2016 mingw-w64 project
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#ifndef WIN_PTHREADS_SEMAPHORE_H
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#define WIN_PTHREADS_SEMAPHORE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(IN_WINPTHREAD)
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# if defined(DLL_EXPORT) && !defined(WINPTHREAD_EXPORT_ALL_DEBUG)
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# define WINPTHREAD_SEMA_API __declspec(dllexport) /* building the DLL */
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# else
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# define WINPTHREAD_SEMA_API /* building the static library */
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# endif
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#else
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# if defined(WINPTHREADS_USE_DLLIMPORT)
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# define WINPTHREAD_SEMA_API __declspec(dllimport) /* user wants explicit `dllimport` */
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# else
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# define WINPTHREAD_SEMA_API /* the default; auto imported in case of DLL */
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# endif
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#endif
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/* Set this to 0 to disable it */
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#define USE_SEM_CriticalSection_SpinCount 100
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#define SEM_VALUE_MAX INT_MAX
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#ifndef _MODE_T_
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#define _MODE_T_
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typedef unsigned short mode_t;
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#endif
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typedef void *sem_t;
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#define SEM_FAILED NULL
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WINPTHREAD_SEMA_API int sem_init(sem_t * sem, int pshared, unsigned int value);
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WINPTHREAD_SEMA_API int sem_destroy(sem_t *sem);
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WINPTHREAD_SEMA_API int sem_trywait(sem_t *sem);
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WINPTHREAD_SEMA_API int sem_wait(sem_t *sem);
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WINPTHREAD_SEMA_API int sem_timedwait(sem_t * sem, const struct timespec *t);
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WINPTHREAD_SEMA_API int sem_post(sem_t *sem);
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WINPTHREAD_SEMA_API int sem_post_multiple(sem_t *sem, int count);
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/* yes, it returns a semaphore (or SEM_FAILED) */
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WINPTHREAD_SEMA_API sem_t * sem_open(const char * name, int oflag, mode_t mode, unsigned int value);
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WINPTHREAD_SEMA_API int sem_close(sem_t * sem);
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WINPTHREAD_SEMA_API int sem_unlink(const char * name);
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WINPTHREAD_SEMA_API int sem_getvalue(sem_t * sem, int * sval);
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#ifdef __cplusplus
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}
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#endif
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#endif /* WIN_PTHREADS_SEMAPHORE_H */
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