1 /*
2 * Copyright (c) 2015-2020 François Tigeot <ftigeot@wolfpond.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
10 * disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #ifndef _LINUX_ASYNC_H_
28 #define _LINUX_ASYNC_H_
29
30 #include <linux/types.h>
31 #include <linux/list.h>
32
33 typedef u64 async_cookie_t;
34 typedef void (*async_func_t) (void *data, async_cookie_t cookie);
35
36 extern async_cookie_t async_schedule(async_func_t func, void *data);
37
async_synchronize_full(void)38 static inline void async_synchronize_full(void) {
39 /*
40 * XXX: This function is supposed to wait until all asynchronous
41 * function calls have been done
42 */
43 }
44
45 /*
46 * This function is supposed to wait until all asynchronous function calls
47 * prior to cookie have finished
48 *
49 */
50 static inline void
async_synchronize_cookie(async_cookie_t cookie)51 async_synchronize_cookie(async_cookie_t cookie)
52 {
53 }
54
55 static inline bool
current_is_async(void)56 current_is_async(void)
57 {
58 /* Linux async functions are executed synchronously on DragonFly */
59 return false;
60 }
61
62 #endif /* _LINUX_ASYNC_H_ */
63