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 )
40 #ifdef _SEMAPHORE_H // Test added by JE - 12-12-2009
41 #error "ardourext/semaphore.h conflicts with an existing pthread library"
43 // Now make sure we can't accidentally include a conflicting library !!
49 #if defined(_POSIX_SOURCE)
54 #if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 199309
57 /* Include 1b, 1c and 1d */
60 #if defined(INCLUDE_NP)
63 /* Include Non-Portable extensions */
66 #define PTW32_LEVEL_MAX 3
68 #if !defined(PTW32_LEVEL)
69 #define PTW32_LEVEL PTW32_LEVEL_MAX
70 /* Include everything */
73 #if __GNUC__ && ! defined (__declspec)
74 # error Please upgrade your GNU compiler to one that supports __declspec.
78 * When building the DLL code, you should define PTW32_BUILD so that
79 * the variables/functions are exported correctly. When using the DLL,
80 * do NOT define PTW32_BUILD, and then the variables/functions will
81 * be imported correctly.
83 #ifndef PTW32_STATIC_LIB
85 # define PTW32_DLLPORT __declspec (dllexport)
87 # define PTW32_DLLPORT __declspec (dllimport)
90 # define PTW32_DLLPORT
94 * This is a duplicate of what is in the autoconf config.h,
95 * which is only used when building the pthread-win32 libraries.
98 #ifndef PTW32_CONFIG_H
103 # if defined(_UWIN) || defined(__MINGW32__)
112 #if PTW32_LEVEL >= PTW32_LEVEL_MAX
114 #include "need_errno.h"
118 #endif /* PTW32_LEVEL >= PTW32_LEVEL_MAX */
120 #define _POSIX_SEMAPHORES
125 #endif /* __cplusplus */
128 typedef unsigned int mode_t;
132 typedef struct sem_t_ * sem_t;
134 PTW32_DLLPORT int __cdecl sem_init (sem_t * sem,
138 PTW32_DLLPORT int __cdecl sem_destroy (sem_t * sem);
140 PTW32_DLLPORT int __cdecl sem_trywait (sem_t * sem);
142 PTW32_DLLPORT int __cdecl sem_wait (sem_t * sem);
144 PTW32_DLLPORT int __cdecl sem_timedwait (sem_t * sem,
145 const struct timespec * abstime);
147 PTW32_DLLPORT int __cdecl sem_post (sem_t * sem);
149 PTW32_DLLPORT int __cdecl sem_post_multiple (sem_t * sem,
152 PTW32_DLLPORT int __cdecl sem_open (const char * name,
157 PTW32_DLLPORT int __cdecl sem_close (sem_t * sem);
159 PTW32_DLLPORT int __cdecl sem_unlink (const char * name);
161 PTW32_DLLPORT int __cdecl sem_getvalue (sem_t * sem,
165 } /* End of extern "C" */
166 #endif /* __cplusplus */
169 #undef PTW32_LEVEL_MAX
171 #endif /* !SEMAPHORE_H */