1 /* PEAK Library 2 * 3 * Copyright (c) 2003 4 * Stephane Thiell <mbuna@bugged.org>. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 21 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 24 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 27 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * $Id: semaphore.h,v 1.4 2004/01/12 01:52:11 mbuna Exp $ 30 */ 31 #ifndef INCLUDED_PEAK_SEMAPHORE_H_ 32 #define INCLUDED_PEAK_SEMAPHORE_H_ 33 34 /* This enables struct timespec on AIX and Linux. 35 */ 36 #undef _POSIX_SOURCE 37 #define _POSIX_SOURCE 1 38 #undef _POSIX_C_SOURCE 39 #define _POSIX_C_SOURCE 199506L 40 #undef _XOPEN_SOURCE 41 #define _XOPEN_SOURCE 500 42 43 #ifdef HAVE_CONFIG_H 44 #include "config.h" 45 #endif 46 #ifdef HAVE_MACH_SEMAPHORE_H 47 #include <mach/semaphore.h> 48 #endif 49 #ifdef TIME_WITH_SYS_TIME 50 #include <sys/time.h> 51 #endif 52 #include <time.h> 53 54 #if defined(HAVE_SEMAPHORE_CREATE) && defined(HAVE_SEMAPHORE_SIGNAL) 55 #define PEAK_USE_MACH_SEMAPHORE 56 #endif 57 58 #ifdef PEAK_USE_MACH_SEMAPHORE 59 typedef mach_timespec_t peak_timespec_t; 60 #else 61 typedef struct timespec peak_timespec_t; 62 #endif 63 64 typedef struct __peak_semaphore * peak_semaphore; 65 66 #if defined(__cplusplus) 67 extern "C" { 68 #endif 69 70 extern peak_semaphore peak_semaphore_create(int value); 71 72 extern int peak_semaphore_signal(peak_semaphore semaphore); 73 extern int peak_semaphore_signal_all(peak_semaphore semaphore); 74 extern int peak_semaphore_wait(peak_semaphore semaphore); 75 extern int peak_semaphore_timedwait(peak_semaphore semaphore, 76 peak_timespec_t wait_time); 77 extern int peak_semaphore_wait_signal(peak_semaphore wait_semaphore, 78 peak_semaphore signal_semaphore); 79 extern int peak_semaphore_timedwait_signal(peak_semaphore wait_semaphore, 80 peak_semaphore signal_semaphore, 81 peak_timespec_t wait_time); 82 83 #if defined(__cplusplus) 84 } 85 #endif 86 87 #endif /* INCLUDED_PEAK_SEMAPHORE_H_ */ 88