forked from mirrors/linux
362f2b098b
A function type is typically defined as typedef ret_type (*func)(args..) but async_func_ptr is not. Redefine it. Also rename async_func_ptr to async_func_t for _func_t suffix is more generic. Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Arjan van de Ven <arjan@linux.intel.com>
50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/*
|
|
* 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
|