Annotation of embedaddon/ntp/lib/isc/ondestroy.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
! 3: * Copyright (C) 2000, 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: ondestroy.c,v 1.16 2007/06/19 23:47:17 tbox Exp $ */
! 19:
! 20: /*! \file */
! 21:
! 22: #include <config.h>
! 23:
! 24: #include <stddef.h>
! 25:
! 26: #include <isc/event.h>
! 27: #include <isc/magic.h>
! 28: #include <isc/ondestroy.h>
! 29: #include <isc/task.h>
! 30: #include <isc/util.h>
! 31:
! 32: #define ONDESTROY_MAGIC ISC_MAGIC('D', 'e', 'S', 't')
! 33: #define VALID_ONDESTROY(s) ISC_MAGIC_VALID(s, ONDESTROY_MAGIC)
! 34:
! 35: void
! 36: isc_ondestroy_init(isc_ondestroy_t *ondest) {
! 37: ondest->magic = ONDESTROY_MAGIC;
! 38: ISC_LIST_INIT(ondest->events);
! 39: }
! 40:
! 41: isc_result_t
! 42: isc_ondestroy_register(isc_ondestroy_t *ondest, isc_task_t *task,
! 43: isc_event_t **eventp)
! 44: {
! 45: isc_event_t *theevent;
! 46: isc_task_t *thetask = NULL;
! 47:
! 48: REQUIRE(VALID_ONDESTROY(ondest));
! 49: REQUIRE(task != NULL);
! 50: REQUIRE(eventp != NULL);
! 51:
! 52: theevent = *eventp;
! 53:
! 54: REQUIRE(theevent != NULL);
! 55:
! 56: isc_task_attach(task, &thetask);
! 57:
! 58: theevent->ev_sender = thetask;
! 59:
! 60: ISC_LIST_APPEND(ondest->events, theevent, ev_link);
! 61:
! 62: return (ISC_R_SUCCESS);
! 63: }
! 64:
! 65: void
! 66: isc_ondestroy_notify(isc_ondestroy_t *ondest, void *sender) {
! 67: isc_event_t *eventp;
! 68: isc_task_t *task;
! 69:
! 70: REQUIRE(VALID_ONDESTROY(ondest));
! 71:
! 72: eventp = ISC_LIST_HEAD(ondest->events);
! 73: while (eventp != NULL) {
! 74: ISC_LIST_UNLINK(ondest->events, eventp, ev_link);
! 75:
! 76: task = eventp->ev_sender;
! 77: eventp->ev_sender = sender;
! 78:
! 79: isc_task_sendanddetach(&task, &eventp);
! 80:
! 81: eventp = ISC_LIST_HEAD(ondest->events);
! 82: }
! 83: }
! 84:
! 85:
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