1 /* 2 * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") 3 * Copyright (C) 1998-2001 Internet Software Consortium. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 15 * PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 /* $Id: condition.h,v 1.26 2007/06/19 23:47:18 tbox Exp $ */ 19 20 #ifndef ISC_CONDITION_H 21 #define ISC_CONDITION_H 1 22 23 /*! \file */ 24 25 #include <isc/lang.h> 26 #include <isc/mutex.h> 27 #include <isc/result.h> 28 #include <isc/types.h> 29 30 typedef pthread_cond_t isc_condition_t; 31 32 #define isc_condition_init(cp) \ 33 ((pthread_cond_init((cp), NULL) == 0) ? \ 34 ISC_R_SUCCESS : ISC_R_UNEXPECTED) 35 36 #if ISC_MUTEX_PROFILE 37 #define isc_condition_wait(cp, mp) \ 38 ((pthread_cond_wait((cp), &((mp)->mutex)) == 0) ? \ 39 ISC_R_SUCCESS : ISC_R_UNEXPECTED) 40 #else 41 #define isc_condition_wait(cp, mp) \ 42 ((pthread_cond_wait((cp), (mp)) == 0) ? \ 43 ISC_R_SUCCESS : ISC_R_UNEXPECTED) 44 #endif 45 46 #define isc_condition_signal(cp) \ 47 ((pthread_cond_signal((cp)) == 0) ? \ 48 ISC_R_SUCCESS : ISC_R_UNEXPECTED) 49 50 #define isc_condition_broadcast(cp) \ 51 ((pthread_cond_broadcast((cp)) == 0) ? \ 52 ISC_R_SUCCESS : ISC_R_UNEXPECTED) 53 54 #define isc_condition_destroy(cp) \ 55 ((pthread_cond_destroy((cp)) == 0) ? \ 56 ISC_R_SUCCESS : ISC_R_UNEXPECTED) 57 58 ISC_LANG_BEGINDECLS 59 60 isc_result_t 61 isc_condition_waituntil(isc_condition_t *, isc_mutex_t *, isc_time_t *); 62 63 ISC_LANG_ENDDECLS 64 65 #endif /* ISC_CONDITION_H */ 66