1 /* 2 * Copyright (C) 2004, 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 1.17 2007/06/18 23:47:49 tbox Exp $ */ 19 20 #ifndef ISC_CONDITION_H 21 #define ISC_CONDITION_H 1 22 23 #include <windows.h> 24 25 #include <isc/lang.h> 26 #include <isc/mutex.h> 27 #include <isc/thread.h> 28 #include <isc/types.h> 29 30 typedef struct isc_condition_thread isc_condition_thread_t; 31 32 struct isc_condition_thread { 33 unsigned long th; 34 HANDLE handle[2]; 35 ISC_LINK(isc_condition_thread_t) link; 36 37 }; 38 39 typedef struct isc_condition { 40 HANDLE events[2]; 41 unsigned int waiters; 42 ISC_LIST(isc_condition_thread_t) threadlist; 43 } isc_condition_t; 44 45 ISC_LANG_BEGINDECLS 46 47 isc_result_t 48 isc_condition_init(isc_condition_t *); 49 50 isc_result_t 51 isc_condition_wait(isc_condition_t *, isc_mutex_t *); 52 53 isc_result_t 54 isc_condition_signal(isc_condition_t *); 55 56 isc_result_t 57 isc_condition_broadcast(isc_condition_t *); 58 59 isc_result_t 60 isc_condition_destroy(isc_condition_t *); 61 62 isc_result_t 63 isc_condition_waituntil(isc_condition_t *, isc_mutex_t *, isc_time_t *); 64 65 ISC_LANG_ENDDECLS 66 67 #endif /* ISC_CONDITION_H */ 68