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linux/include/linux/async.h at master · fabgithub/linux · GitHub
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/*
* async.h: Asynchronous function calls for boot performance
*
* (C) Copyright 2009 Intel Corporation
* Author: Arjan van de Ven <arjan@linux.intel.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; version 2
* of the License.
*/
#ifndef
__ASYNC_H__
#define
__ASYNC_H__
#include
<linux/types.h>
#include
<linux/list.h>
typedef
u64
async_cookie_t
;
typedef
void
(
*
async_func_t
) (
void
*
data
,
async_cookie_t
cookie
);
struct
async_domain
{
struct
list_head
pending
;
unsigned
registered
:
1
;
};
/*
* domain participates in global async_synchronize_full
*/
#define
ASYNC_DOMAIN
(
_name
) \
struct async_domain _name = { .pending = LIST_HEAD_INIT(_name.pending), \
.registered = 1 }
/*
* domain is free to go out of scope as soon as all pending work is
* complete, this domain does not participate in async_synchronize_full
*/
#define
ASYNC_DOMAIN_EXCLUSIVE
(
_name
) \
struct async_domain _name = { .pending = LIST_HEAD_INIT(_name.pending), \
.registered = 0 }
extern
async_cookie_t
async_schedule
(
async_func_t
func
,
void
*
data
);
extern
async_cookie_t
async_schedule_domain
(
async_func_t
func
,
void
*
data
,
struct
async_domain
*
domain
);
void
async_unregister_domain
(
struct
async_domain
*
domain
);
extern
void
async_synchronize_full
(
void
);
extern
void
async_synchronize_full_domain
(
struct
async_domain
*
domain
);
extern
void
async_synchronize_cookie
(
async_cookie_t
cookie
);
extern
void
async_synchronize_cookie_domain
(
async_cookie_t
cookie
,
struct
async_domain
*
domain
);
extern
bool
current_is_async
(
void
);
#endif
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