Commit | Line | Data |
---|---|---|
d3d3857f MJ |
1 | // SPDX-FileCopyrightText: 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
2 | // SPDX-FileCopyrightText: 2009 Paul E. McKenney, IBM Corporation. | |
3 | // | |
4 | // SPDX-License-Identifier: LGPL-2.1-or-later | |
5 | ||
89d19b43 MD |
6 | #ifndef _URCU_DEFER_H |
7 | #define _URCU_DEFER_H | |
90075a50 MD |
8 | |
9 | /* | |
786ee85b | 10 | * Userspace RCU header - deferred execution |
90075a50 | 11 | * |
89d19b43 MD |
12 | * This header is meant to be included indirectly through a liburcu |
13 | * flavor header. | |
90075a50 MD |
14 | */ |
15 | ||
16 | #include <stdlib.h> | |
17 | #include <pthread.h> | |
18 | ||
36bc70a8 MD |
19 | #ifdef __cplusplus |
20 | extern "C" { | |
21 | #endif | |
22 | ||
90075a50 | 23 | /* |
3614f13c MD |
24 | * Note: the defer_rcu() API is currently EXPERIMENTAL. It may change in the |
25 | * future. | |
67ecffc0 | 26 | * |
90075a50 MD |
27 | * Important ! |
28 | * | |
29 | * Each thread queuing memory reclamation must be registered with | |
786ee85b | 30 | * rcu_defer_register_thread(). rcu_defer_unregister_thread() should be |
90075a50 | 31 | * called before the thread exits. |
8a13058c | 32 | * |
b4f313b7 MD |
33 | * *NEVER* use defer_rcu() within a RCU read-side critical section, because this |
34 | * primitive need to call synchronize_rcu() if the thread queue is full. | |
90075a50 MD |
35 | */ |
36 | ||
3614f13c | 37 | extern void defer_rcu(void (*fct)(void *p), void *p); |
2c22932b | 38 | |
90075a50 MD |
39 | /* |
40 | * Thread registration for reclamation. | |
41 | */ | |
7fdbbd61 | 42 | extern int rcu_defer_register_thread(void); |
786ee85b MD |
43 | extern void rcu_defer_unregister_thread(void); |
44 | extern void rcu_defer_barrier(void); | |
45 | extern void rcu_defer_barrier_thread(void); | |
90075a50 | 46 | |
67ecffc0 | 47 | #ifdef __cplusplus |
36bc70a8 MD |
48 | } |
49 | #endif | |
50 | ||
89d19b43 | 51 | #endif /* _URCU_DEFER_H */ |