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source/3rdparty/winpthread/include/semaphore.h

@@ -0,0 +1,81 @@
+/*
+   Copyright (c) 2011-2016  mingw-w64 project
+
+   Permission is hereby granted, free of charge, to any person obtaining a
+   copy of this software and associated documentation files (the "Software"),
+   to deal in the Software without restriction, including without limitation
+   the rights to use, copy, modify, merge, publish, distribute, sublicense,
+   and/or sell copies of the Software, and to permit persons to whom the
+   Software is furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be included in
+   all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+   DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef WIN_PTHREADS_SEMAPHORE_H
+#define WIN_PTHREADS_SEMAPHORE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined DLL_EXPORT && !defined (WINPTHREAD_EXPORT_ALL_DEBUG)
+#ifdef IN_WINPTHREAD
+#define WINPTHREAD_SEMA_API __declspec(dllexport)
+#else
+#define WINPTHREAD_SEMA_API __declspec(dllimport)
+#endif
+#else
+#define WINPTHREAD_SEMA_API
+#endif
+
+/* Set this to 0 to disable it */
+#define USE_SEM_CriticalSection_SpinCount	100
+
+#define SEM_VALUE_MAX   INT_MAX
+
+#ifndef _MODE_T_
+#define	_MODE_T_
+typedef unsigned short mode_t;
+#endif
+
+typedef void		*sem_t;
+
+#define SEM_FAILED 		NULL
+
+int WINPTHREAD_SEMA_API sem_init(sem_t * sem, int pshared, unsigned int value);
+
+int WINPTHREAD_SEMA_API sem_destroy(sem_t *sem);
+
+int WINPTHREAD_SEMA_API sem_trywait(sem_t *sem);
+
+int WINPTHREAD_SEMA_API sem_wait(sem_t *sem);
+
+int WINPTHREAD_SEMA_API sem_timedwait(sem_t * sem, const struct timespec *t);
+
+int WINPTHREAD_SEMA_API sem_post(sem_t *sem);
+
+int WINPTHREAD_SEMA_API sem_post_multiple(sem_t *sem, int count);
+
+/* yes, it returns a semaphore (or SEM_FAILED) */
+sem_t * WINPTHREAD_SEMA_API sem_open(const char * name, int oflag, mode_t mode, unsigned int value);
+
+int WINPTHREAD_SEMA_API sem_close(sem_t * sem);
+
+int WINPTHREAD_SEMA_API sem_unlink(const char * name);
+
+int WINPTHREAD_SEMA_API sem_getvalue(sem_t * sem, int * sval);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* WIN_PTHREADS_SEMAPHORE_H */