86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
/* $NetBSD: ondestroy.c,v 1.1.1.1 2004/05/17 23:45:02 christos Exp $ */
|
|
|
|
/*
|
|
* Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC")
|
|
* Copyright (C) 2000, 2001 Internet Software Consortium.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
|
|
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
|
|
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
|
|
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
|
|
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
/* Id: ondestroy.c,v 1.11.206.1 2004/03/06 08:14:33 marka Exp */
|
|
|
|
#include <config.h>
|
|
|
|
#include <stddef.h>
|
|
|
|
#include <isc/event.h>
|
|
#include <isc/magic.h>
|
|
#include <isc/ondestroy.h>
|
|
#include <isc/task.h>
|
|
#include <isc/util.h>
|
|
|
|
#define ONDESTROY_MAGIC ISC_MAGIC('D', 'e', 'S', 't')
|
|
#define VALID_ONDESTROY(s) ISC_MAGIC_VALID(s, ONDESTROY_MAGIC)
|
|
|
|
void
|
|
isc_ondestroy_init(isc_ondestroy_t *ondest) {
|
|
ondest->magic = ONDESTROY_MAGIC;
|
|
ISC_LIST_INIT(ondest->events);
|
|
}
|
|
|
|
isc_result_t
|
|
isc_ondestroy_register(isc_ondestroy_t *ondest, isc_task_t *task,
|
|
isc_event_t **eventp)
|
|
{
|
|
isc_event_t *theevent;
|
|
isc_task_t *thetask = NULL;
|
|
|
|
REQUIRE(VALID_ONDESTROY(ondest));
|
|
REQUIRE(task != NULL);
|
|
REQUIRE(eventp != NULL);
|
|
|
|
theevent = *eventp;
|
|
|
|
REQUIRE(theevent != NULL);
|
|
|
|
isc_task_attach(task, &thetask);
|
|
|
|
theevent->ev_sender = thetask;
|
|
|
|
ISC_LIST_APPEND(ondest->events, theevent, ev_link);
|
|
|
|
return (ISC_R_SUCCESS);
|
|
}
|
|
|
|
void
|
|
isc_ondestroy_notify(isc_ondestroy_t *ondest, void *sender) {
|
|
isc_event_t *eventp;
|
|
isc_task_t *task;
|
|
|
|
REQUIRE(VALID_ONDESTROY(ondest));
|
|
|
|
eventp = ISC_LIST_HEAD(ondest->events);
|
|
while (eventp != NULL) {
|
|
ISC_LIST_UNLINK(ondest->events, eventp, ev_link);
|
|
|
|
task = eventp->ev_sender;
|
|
eventp->ev_sender = sender;
|
|
|
|
isc_task_sendanddetach(&task, &eventp);
|
|
|
|
eventp = ISC_LIST_HEAD(ondest->events);
|
|
}
|
|
}
|
|
|
|
|