| 1 |
/* |
| 2 |
Copyright (c) 2011-2016 mingw-w64 project |
| 3 |
|
| 4 |
Permission is hereby granted, free of charge, to any person obtaining a |
| 5 |
copy of this software and associated documentation files (the "Software"), |
| 6 |
to deal in the Software without restriction, including without limitation |
| 7 |
the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 |
and/or sell copies of the Software, and to permit persons to whom the |
| 9 |
Software is furnished to do so, subject to the following conditions: |
| 10 |
|
| 11 |
The above copyright notice and this permission notice shall be included in |
| 12 |
all copies or substantial portions of the Software. |
| 13 |
|
| 14 |
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 |
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 |
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 17 |
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 18 |
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 19 |
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 20 |
DEALINGS IN THE SOFTWARE. |
| 21 |
*/ |
| 22 |
|
| 23 |
#ifndef WIN_PTHREADS_SEMAPHORE_H |
| 24 |
#define WIN_PTHREADS_SEMAPHORE_H |
| 25 |
|
| 26 |
#ifdef __cplusplus |
| 27 |
extern "C" { |
| 28 |
#endif |
| 29 |
|
| 30 |
#if defined DLL_EXPORT && !defined (WINPTHREAD_EXPORT_ALL_DEBUG) |
| 31 |
#ifdef IN_WINPTHREAD |
| 32 |
#define WINPTHREAD_SEMA_API __declspec(dllexport) |
| 33 |
#else |
| 34 |
#define WINPTHREAD_SEMA_API __declspec(dllimport) |
| 35 |
#endif |
| 36 |
#else |
| 37 |
#define WINPTHREAD_SEMA_API |
| 38 |
#endif |
| 39 |
|
| 40 |
/* Set this to 0 to disable it */ |
| 41 |
#define USE_SEM_CriticalSection_SpinCount 100 |
| 42 |
|
| 43 |
#define SEM_VALUE_MAX INT_MAX |
| 44 |
|
| 45 |
#ifndef _MODE_T_ |
| 46 |
#define _MODE_T_ |
| 47 |
typedef unsigned short mode_t; |
| 48 |
#endif |
| 49 |
|
| 50 |
typedef void *sem_t; |
| 51 |
|
| 52 |
#define SEM_FAILED NULL |
| 53 |
|
| 54 |
int WINPTHREAD_SEMA_API sem_init(sem_t * sem, int pshared, unsigned int value); |
| 55 |
|
| 56 |
int WINPTHREAD_SEMA_API sem_destroy(sem_t *sem); |
| 57 |
|
| 58 |
int WINPTHREAD_SEMA_API sem_trywait(sem_t *sem); |
| 59 |
|
| 60 |
int WINPTHREAD_SEMA_API sem_wait(sem_t *sem); |
| 61 |
|
| 62 |
int WINPTHREAD_SEMA_API sem_timedwait(sem_t * sem, const struct timespec *t); |
| 63 |
|
| 64 |
int WINPTHREAD_SEMA_API sem_post(sem_t *sem); |
| 65 |
|
| 66 |
int WINPTHREAD_SEMA_API sem_post_multiple(sem_t *sem, int count); |
| 67 |
|
| 68 |
/* yes, it returns a semaphore (or SEM_FAILED) */ |
| 69 |
sem_t * WINPTHREAD_SEMA_API sem_open(const char * name, int oflag, mode_t mode, unsigned int value); |
| 70 |
|
| 71 |
int WINPTHREAD_SEMA_API sem_close(sem_t * sem); |
| 72 |
|
| 73 |
int WINPTHREAD_SEMA_API sem_unlink(const char * name); |
| 74 |
|
| 75 |
int WINPTHREAD_SEMA_API sem_getvalue(sem_t * sem, int * sval); |
| 76 |
|
| 77 |
#ifdef __cplusplus |
| 78 |
} |
| 79 |
#endif |
| 80 |
|
| 81 |
#endif /* WIN_PTHREADS_SEMAPHORE_H */ |