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Annotation of embedaddon/ipsec-tools/src/racoon/schedule.h, revision 1.1.1.1

1.1       misho       1: /*     $NetBSD: schedule.h,v 1.8 2009/08/17 12:00:53 vanhu Exp $       */
                      2: 
                      3: /* Id: schedule.h,v 1.5 2006/05/03 21:53:42 vanhu Exp */
                      4: 
                      5: /*
                      6:  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
                      7:  * Copyright (C) 2008 Timo Teras.
                      8:  * All rights reserved.
                      9:  * 
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
                     18:  * 3. Neither the name of the project nor the names of its contributors
                     19:  *    may be used to endorse or promote products derived from this software
                     20:  *    without specific prior written permission.
                     21:  * 
                     22:  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
                     23:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     24:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     25:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
                     26:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     27:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     28:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     29:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     30:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     31:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     32:  * SUCH DAMAGE.
                     33:  */
                     34: 
                     35: #ifndef _SCHEDULE_H
                     36: #define _SCHEDULE_H
                     37: 
                     38: #include <stddef.h>
                     39: 
                     40: #include <sys/queue.h>
                     41: #if TIME_WITH_SYS_TIME
                     42: # include <sys/time.h>
                     43: # include <time.h>
                     44: #else
                     45: # if HAVE_SYS_TIME_H
                     46: #  include <sys/time.h>
                     47: # else
                     48: #  include <time.h>
                     49: # endif
                     50: #endif
                     51: #include "gnuc.h"
                     52: 
                     53: #ifndef offsetof
                     54: #ifdef __compiler_offsetof
                     55: #define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER)
                     56: #else
                     57: #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
                     58: #endif
                     59: #endif
                     60: 
                     61: #ifndef container_of
                     62: #define container_of(ptr, type, member) ({                      \
                     63:         const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
                     64:         (type *)( (char *)__mptr - offsetof(type,member) );})
                     65: #endif
                     66: 
                     67: 
                     68: /* scheduling table */
                     69: /* the head is the nearest event. */
                     70: struct sched {
                     71:        void (*func) __P((struct sched *));     /* callback on timeout */
                     72:        struct timeval xtime;                   /* expiration time */
                     73:        struct timeval tick;                    /* relative timeout */
                     74:        TAILQ_ENTRY(sched) chain;
                     75:        long id;                                /* for debug */
                     76: };
                     77: 
                     78: #define SCHED_INITIALIZER() { NULL, }
                     79: 
                     80: struct scheddump {
                     81:        time_t xtime;
                     82:        long id;
                     83:        time_t created;
                     84:        time_t tick;
                     85: };
                     86: 
                     87: time_t sched_monotonic_to_time_t __P((struct timeval *tv,
                     88:                                      struct timeval *now));
                     89: void sched_get_monotonic_time __P((struct timeval *tv));
                     90: 
                     91: struct timeval *schedular __P((void));
                     92: void sched_schedule __P((struct sched *, time_t,
                     93:                         void (*func) __P((struct sched *))));
                     94: void sched_cancel __P((struct sched *));
                     95: 
                     96: int sched_dump __P((caddr_t *, int *));
                     97: void sched_init __P((void));
                     98: 
                     99: #endif /* _SCHEDULE_H */