/* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ /* $Id: ondestroy.c,v 1.16 2007/06/19 23:47:17 tbox Exp $ */ /*! \file */ #include #include #include #include #include #include #include #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); } }