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fifoq.h
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/*
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* Copyright (c) 2011 NLNet Labs. 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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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef SCHEDULER_FIFOQ_H
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#define SCHEDULER_FIFOQ_H
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#include "config.h"
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#include "
daemon/worker.h
"
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#include "
shared/allocator.h
"
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#include "
shared/locks.h
"
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#include "
shared/status.h
"
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#include <stdio.h>
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#include <time.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <ldns/ldns.h>
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#define FIFOQ_MAX_COUNT 1000
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#define FIFOQ_TRIES_COUNT 10
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typedef
struct
fifoq_struct
fifoq_type
;
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struct
fifoq_struct
{
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allocator_type
*
allocator
;
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void
*
blob
[
FIFOQ_MAX_COUNT
];
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worker_type
*
owner
[
FIFOQ_MAX_COUNT
];
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size_t
count
;
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lock_basic_type
q_lock
;
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cond_basic_type
q_threshold
;
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cond_basic_type
q_nonfull
;
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};
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fifoq_type
*
fifoq_create
(
allocator_type
* allocator);
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void
fifoq_wipe
(
fifoq_type
* q);
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void
*
fifoq_pop
(
fifoq_type
* q,
worker_type
** worker);
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ods_status
fifoq_push
(
fifoq_type
* q,
void
* item,
worker_type
* worker,
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int
* tries);
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void
fifoq_cleanup
(
fifoq_type
* q);
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#endif
/* SCHEDULER_FIFOQ_H */
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