1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef _LINUX_SCHED_RCUPDATE_WAIT_H |
3 | #define _LINUX_SCHED_RCUPDATE_WAIT_H |
4 | |
5 | /* |
6 | * RCU synchronization types and methods: |
7 | */ |
8 | |
9 | #include <linux/rcupdate.h> |
10 | #include <linux/completion.h> |
11 | |
12 | /* |
13 | * Structure allowing asynchronous waiting on RCU. |
14 | */ |
15 | struct rcu_synchronize { |
16 | struct rcu_head head; |
17 | struct completion completion; |
18 | }; |
19 | void wakeme_after_rcu(struct rcu_head *head); |
20 | |
21 | void __wait_rcu_gp(bool checktiny, int n, call_rcu_func_t *crcu_array, |
22 | struct rcu_synchronize *rs_array); |
23 | |
24 | #define _wait_rcu_gp(checktiny, ...) \ |
25 | do { \ |
26 | call_rcu_func_t __crcu_array[] = { __VA_ARGS__ }; \ |
27 | struct rcu_synchronize __rs_array[ARRAY_SIZE(__crcu_array)]; \ |
28 | __wait_rcu_gp(checktiny, ARRAY_SIZE(__crcu_array), \ |
29 | __crcu_array, __rs_array); \ |
30 | } while (0) |
31 | |
32 | #define wait_rcu_gp(...) _wait_rcu_gp(false, __VA_ARGS__) |
33 | |
34 | #endif /* _LINUX_SCHED_RCUPDATE_WAIT_H */ |
35 | |