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/*
* Copyright (c) 2009-2012, Salvatore Sanfilippo <antirez at gmail dot com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Redis nor the names of its contributors may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __BIO_H
#define __BIO_H
typedef void lazy_free_fn(void *args[]);
/* Exported API */
void bioInit(void);
unsigned long bioPendingJobsOfType(int type);
void bioDrainWorker(int job_type);
void bioKillThreads(void);
void bioCreateCloseJob(int fd, int need_fsync, int need_reclaim_cache);
void bioCreateCloseAofJob(int fd, long long offset, int need_reclaim_cache);
void bioCreateFsyncJob(int fd, long long offset, int need_reclaim_cache);
void bioCreateLazyFreeJob(lazy_free_fn free_fn, int arg_count, ...);
/* Background job opcodes */
enum {
BIO_CLOSE_FILE = 0, /* Deferred close(2) syscall. */
BIO_AOF_FSYNC, /* Deferred AOF fsync. */
BIO_LAZY_FREE, /* Deferred objects freeing. */
BIO_CLOSE_AOF, /* Deferred close for AOF files. */
BIO_NUM_OPS
};
#endif
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