[apple/network_cmds.git] / rtadvd.tproj / timer.h

/*	$KAME: timer.h,v 1.5 2002/05/31 13:30:38 jinmei Exp $	*/

/*
 * Copyright (C) 1998 WIDE Project.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the project nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/* a < b */
#define TIMEVAL_LT(a, b) (((a).tv_sec < (b).tv_sec) ||\
			  (((a).tv_sec == (b).tv_sec) && \
			    ((a).tv_usec < (b).tv_usec)))

/* a <= b */
#define TIMEVAL_LEQ(a, b) (((a).tv_sec < (b).tv_sec) ||\
			   (((a).tv_sec == (b).tv_sec) &&\
 			    ((a).tv_usec <= (b).tv_usec)))

struct rtadvd_timer {
	struct rtadvd_timer *next;
	struct rtadvd_timer *prev;
	struct rainfo *rai;
	struct timeval tm;

	struct rtadvd_timer *(*expire)(void *);	/* expiration function */
	void *expire_data;
	void (*update)(void *, struct timeval *);	/* update function */
	void *update_data;
};

void rtadvd_timer_init(void);
struct rtadvd_timer *rtadvd_add_timer(struct rtadvd_timer *(*)(void *),
		void (*)(void *, struct timeval *), void *, void *);
void rtadvd_set_timer(struct timeval *, struct rtadvd_timer *);
void rtadvd_remove_timer(struct rtadvd_timer **);
struct timeval * rtadvd_check_timer(void);
struct timeval * rtadvd_timer_rest(struct rtadvd_timer *);
void TIMEVAL_ADD(struct timeval *, struct timeval *,
		      struct timeval *);
void TIMEVAL_SUB(struct timeval *, struct timeval *,
		      struct timeval *);
Commit	Line	Data
7af5ce03	1	/* $KAME: timer.h,v 1.5 2002/05/31 13:30:38 jinmei Exp $ */
7ba0088d A	2
	3	/*
	4	* Copyright (C) 1998 WIDE Project.
	5	* All rights reserved.
	6	*
	7	* Redistribution and use in source and binary forms, with or without
	8	* modification, are permitted provided that the following conditions
	9	* are met:
	10	* 1. Redistributions of source code must retain the above copyright
	11	* notice, this list of conditions and the following disclaimer.
	12	* 2. Redistributions in binary form must reproduce the above copyright
	13	* notice, this list of conditions and the following disclaimer in the
	14	* documentation and/or other materials provided with the distribution.
	15	* 3. Neither the name of the project nor the names of its contributors
	16	* may be used to endorse or promote products derived from this software
	17	* without specific prior written permission.
	18	*
	19	* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
	20	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	21	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	22	* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
	23	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	24	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	25	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	26	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	27	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	28	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	29	* SUCH DAMAGE.
7ba0088d A	30	*/
	31
	32	/* a < b */
	33	#define TIMEVAL_LT(a, b) (((a).tv_sec < (b).tv_sec) \|\|\
	34	(((a).tv_sec == (b).tv_sec) && \
	35	((a).tv_usec < (b).tv_usec)))
	36
	37	/* a <= b */
	38	#define TIMEVAL_LEQ(a, b) (((a).tv_sec < (b).tv_sec) \|\|\
	39	(((a).tv_sec == (b).tv_sec) &&\
	40	((a).tv_usec <= (b).tv_usec)))
	41
	42	struct rtadvd_timer {
	43	struct rtadvd_timer *next;
	44	struct rtadvd_timer *prev;
	45	struct rainfo *rai;
	46	struct timeval tm;
	47
7af5ce03	48	struct rtadvd_timer (expire)(void ); / expiration function */
7ba0088d	49	void *expire_data;
7af5ce03	50	void (update)(void , struct timeval ); / update function */
7ba0088d A	51	void *update_data;
	52	};
	53
7af5ce03 A	54	void rtadvd_timer_init(void);
	55	struct rtadvd_timer rtadvd_add_timer(struct rtadvd_timer ()(void ),
	56	void ()(void , struct timeval ), void , void *);
	57	void rtadvd_set_timer(struct timeval , struct rtadvd_timer );
	58	void rtadvd_remove_timer(struct rtadvd_timer **);
	59	struct timeval * rtadvd_check_timer(void);
	60	struct timeval * rtadvd_timer_rest(struct rtadvd_timer *);
	61	void TIMEVAL_ADD(struct timeval , struct timeval ,
	62	struct timeval *);
	63	void TIMEVAL_SUB(struct timeval , struct timeval ,
	64	struct timeval *);