[ovs.git] / lib / rculist.c

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <config.h>
#include "rculist.h"

/* Initializes 'list' with pointers that will (probably) cause segfaults if
 * dereferenced and, better yet, show up clearly in a debugger. */
void
rculist_poison__(struct rculist *list)
    OVS_NO_THREAD_SAFETY_ANALYSIS
{
    list->prev = RCULIST_POISON;
    ovsrcu_set_hidden(&list->next, RCULIST_POISON);
}
Commit	Line	Data
9f22b0cf JR	1	/*
	2	* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc.
	3	*
	4	* Licensed under the Apache License, Version 2.0 (the "License");
	5	* you may not use this file except in compliance with the License.
	6	* You may obtain a copy of the License at:
	7	*
	8	* http://www.apache.org/licenses/LICENSE-2.0
	9	*
	10	* Unless required by applicable law or agreed to in writing, software
	11	* distributed under the License is distributed on an "AS IS" BASIS,
	12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	13	* See the License for the specific language governing permissions and
	14	* limitations under the License.
	15	*/
	16	#include <config.h>
	17	#include "rculist.h"
	18
	19	/* Initializes 'list' with pointers that will (probably) cause segfaults if
	20	* dereferenced and, better yet, show up clearly in a debugger. */
	21	void
	22	rculist_poison__(struct rculist *list)
	23	OVS_NO_THREAD_SAFETY_ANALYSIS
	24	{
	25	list->prev = RCULIST_POISON;
	26	ovsrcu_set_hidden(&list->next, RCULIST_POISON);
	27	}