bc1d4c9cb4
Also disable the semantic patch as the code needs tweaks here and there because some destroy functions might not destroy the object and return early if the object is still in use.
96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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/*!
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* \file
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*/
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#include <isc/event.h>
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#include <isc/mem.h>
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#include <isc/util.h>
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/***
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*** Events.
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***/
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static void
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destroy(isc_event_t *event) {
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isc_mem_t *mctx = event->ev_destroy_arg;
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isc_mem_put(mctx, event, event->ev_size);
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}
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isc_event_t *
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isc_event_allocate(isc_mem_t *mctx, void *sender, isc_eventtype_t type,
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isc_taskaction_t action, void *arg, size_t size)
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{
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isc_event_t *event;
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REQUIRE(size >= sizeof(struct isc_event));
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REQUIRE(action != NULL);
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event = isc_mem_get(mctx, size);
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ISC_EVENT_INIT(event, size, 0, NULL, type, action, arg,
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sender, destroy, mctx);
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return (event);
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}
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isc_event_t *
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isc_event_constallocate(isc_mem_t *mctx, void *sender, isc_eventtype_t type,
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isc_taskaction_t action, const void *arg, size_t size)
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{
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isc_event_t *event;
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void *deconst_arg;
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REQUIRE(size >= sizeof(struct isc_event));
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REQUIRE(action != NULL);
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event = isc_mem_get(mctx, size);
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/*
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* Removing the const attribute from "arg" is the best of two
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* evils here. If the event->ev_arg member is made const, then
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* it affects a great many users of the task/event subsystem
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* which are not passing in an "arg" which starts its life as
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* const. Changing isc_event_allocate() and isc_task_onshutdown()
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* to not have "arg" prototyped as const (which is quite legitimate,
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* because neither of those functions modify arg) can cause
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* compiler whining anytime someone does want to use a const
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* arg that they themselves never modify, such as with
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* gcc -Wwrite-strings and using a string "arg".
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*/
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DE_CONST(arg, deconst_arg);
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ISC_EVENT_INIT(event, size, 0, NULL, type, action, deconst_arg,
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sender, destroy, mctx);
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return (event);
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}
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void
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isc_event_free(isc_event_t **eventp) {
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isc_event_t *event;
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REQUIRE(eventp != NULL);
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event = *eventp;
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*eventp = NULL;
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REQUIRE(event != NULL);
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REQUIRE(!ISC_LINK_LINKED(event, ev_link));
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REQUIRE(!ISC_LINK_LINKED(event, ev_ratelink));
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if (event->ev_destroy != NULL)
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(event->ev_destroy)(event);
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}
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