5
* Semaphores aren't actually part of the PThreads standard.
6
* They are defined by the POSIX Standard:
8
* POSIX 1003.1b-1993 (POSIX.1b)
10
* --------------------------------------------------------------------------
12
* Pthreads-win32 - POSIX Threads Library for Win32
13
* Copyright(C) 1998 John E. Bossom
14
* Copyright(C) 1999,2005 Pthreads-win32 contributors
16
* Contact Email: rpj@callisto.canberra.edu.au
18
* The current list of contributors is contained
19
* in the file CONTRIBUTORS included with the source
20
* code distribution. The list can also be seen at the
21
* following World Wide Web location:
22
* http://sources.redhat.com/pthreads-win32/contributors.html
24
* This library is free software; you can redistribute it and/or
25
* modify it under the terms of the GNU Lesser General Public
26
* License as published by the Free Software Foundation; either
27
* version 2 of the License, or (at your option) any later version.
29
* This library is distributed in the hope that it will be useful,
30
* but WITHOUT ANY WARRANTY; without even the implied warranty of
31
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
32
* Lesser General Public License for more details.
34
* You should have received a copy of the GNU Lesser General Public
35
* License along with this library in the file COPYING.LIB;
36
* if not, write to the Free Software Foundation, Inc.,
37
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
39
#if !defined( SEMAPHORE_H )
44
#if defined(_POSIX_SOURCE)
49
#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 199309
52
/* Include 1b, 1c and 1d */
55
#if defined(INCLUDE_NP)
58
/* Include Non-Portable extensions */
61
#define PTW32_LEVEL_MAX 3
63
#if !defined(PTW32_LEVEL)
64
#define PTW32_LEVEL PTW32_LEVEL_MAX
65
/* Include everything */
68
#if __GNUC__ && ! defined (__declspec)
69
# error Please upgrade your GNU compiler to one that supports __declspec.
73
* When building the DLL code, you should define PTW32_BUILD so that
74
* the variables/functions are exported correctly. When using the DLL,
75
* do NOT define PTW32_BUILD, and then the variables/functions will
76
* be imported correctly.
78
#ifndef PTW32_STATIC_LIB
80
# define PTW32_DLLPORT __declspec (dllexport)
82
# define PTW32_DLLPORT __declspec (dllimport)
85
# define PTW32_DLLPORT
89
* This is a duplicate of what is in the autoconf config.h,
90
* which is only used when building the pthread-win32 libraries.
93
#ifndef PTW32_CONFIG_H
98
# if defined(_UWIN) || defined(__MINGW32__)
107
#if PTW32_LEVEL >= PTW32_LEVEL_MAX
109
#include "need_errno.h"
113
#endif /* PTW32_LEVEL >= PTW32_LEVEL_MAX */
115
#define _POSIX_SEMAPHORES
120
#endif /* __cplusplus */
123
typedef unsigned int mode_t;
127
typedef struct sem_t_ * sem_t;
129
PTW32_DLLPORT int __cdecl sem_init (sem_t * sem,
133
PTW32_DLLPORT int __cdecl sem_destroy (sem_t * sem);
135
PTW32_DLLPORT int __cdecl sem_trywait (sem_t * sem);
137
PTW32_DLLPORT int __cdecl sem_wait (sem_t * sem);
139
PTW32_DLLPORT int __cdecl sem_timedwait (sem_t * sem,
140
const struct timespec * abstime);
142
PTW32_DLLPORT int __cdecl sem_post (sem_t * sem);
144
PTW32_DLLPORT int __cdecl sem_post_multiple (sem_t * sem,
147
PTW32_DLLPORT int __cdecl sem_open (const char * name,
152
PTW32_DLLPORT int __cdecl sem_close (sem_t * sem);
154
PTW32_DLLPORT int __cdecl sem_unlink (const char * name);
156
PTW32_DLLPORT int __cdecl sem_getvalue (sem_t * sem,
160
} /* End of extern "C" */
161
#endif /* __cplusplus */
164
#undef PTW32_LEVEL_MAX
166
#endif /* !SEMAPHORE_H */