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include
rte_tailq.h
Go to the documentation of this file.
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/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _RTE_TAILQ_H_
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#define _RTE_TAILQ_H_
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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#include <sys/queue.h>
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#include <stdio.h>
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#include <
rte_debug.h
>
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struct
rte_tailq_entry
{
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TAILQ_ENTRY
(
rte_tailq_entry
) next;
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void
*
data
;
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};
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TAILQ_HEAD
(rte_tailq_entry_head,
rte_tailq_entry
);
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#define RTE_TAILQ_NAMESIZE 32
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struct
rte_tailq_head
{
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struct
rte_tailq_entry_head
tailq_head
;
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char
name[RTE_TAILQ_NAMESIZE];
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};
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struct
rte_tailq_elem {
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struct
rte_tailq_head
*head;
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TAILQ_ENTRY(rte_tailq_elem) next;
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const
char
name[RTE_TAILQ_NAMESIZE];
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};
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#define RTE_TAILQ_CAST(tailq_entry, struct_name) \
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(struct struct_name *)&(tailq_entry)->tailq_head
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#define RTE_TAILQ_LOOKUP(name, struct_name) \
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RTE_TAILQ_CAST(rte_eal_tailq_lookup(name), struct_name)
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void
rte_dump_tailq
(FILE *f);
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struct
rte_tailq_head
*
rte_eal_tailq_lookup
(
const
char
*name);
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int
rte_eal_tailq_register
(
struct
rte_tailq_elem *t);
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#define EAL_REGISTER_TAILQ(t) \
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void tailqinitfn_ ##t(void); \
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void __attribute__((constructor, used)) tailqinitfn_ ##t(void) \
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{ \
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if (rte_eal_tailq_register(&t) < 0) \
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rte_panic("Cannot initialize tailq: %s\n", t.name); \
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
/* _RTE_TAILQ_H_ */
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