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1 | /* |
2 | * Sleepable Read-Copy Update mechanism for mutual exclusion |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License as published by |
6 | * the Free Software Foundation; either version 2 of the License, or |
7 | * (at your option) any later version. |
8 | * |
9 | * This program is distributed in the hope that it will be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 | * GNU General Public License for more details. |
13 | * |
14 | * You should have received a copy of the GNU General Public License |
15 | * along with this program; if not, write to the Free Software |
16 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
17 | * |
18 | * Copyright (C) IBM Corporation, 2006 |
19 | * |
20 | * Author: Paul McKenney <paulmck@us.ibm.com> |
21 | * |
22 | * For detailed explanation of Read-Copy Update mechanism see - |
23 | * Documentation/RCU/ *.txt |
24 | * |
25 | */ |
26 | |
27 | #ifndef _LINUX_SRCU_H |
28 | #define _LINUX_SRCU_H |
29 | |
30 | struct srcu_struct_array { |
31 | int c[2]; |
32 | }; |
33 | |
34 | struct srcu_struct { |
35 | int completed; |
36 | struct srcu_struct_array *per_cpu_ref; |
37 | struct mutex mutex; |
38 | }; |
39 | |
40 | #ifndef CONFIG_PREEMPT |
41 | #define srcu_barrier() barrier() |
42 | #else /* #ifndef CONFIG_PREEMPT */ |
43 | #define srcu_barrier() |
44 | #endif /* #else #ifndef CONFIG_PREEMPT */ |
45 | |
46 | int init_srcu_struct(struct srcu_struct *sp); |
47 | void cleanup_srcu_struct(struct srcu_struct *sp); |
48 | int srcu_read_lock(struct srcu_struct *sp) __acquires(sp); |
49 | void srcu_read_unlock(struct srcu_struct *sp, int idx) __releases(sp); |
50 | void synchronize_srcu(struct srcu_struct *sp); |
51 | long srcu_batches_completed(struct srcu_struct *sp); |
52 | |
53 | #endif |
54 |
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javiroman/ks7010
jz-2.6.34
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9