projects / urcu.git / blame
| Commit | Line | Data |
|---|---|---|
| c3f74cb2 MD |
1 | #ifndef _URCU_RCULFSTACK_H |
| 2 | #define _URCU_RCULFSTACK_H | |
| 3 | ||
| 453629a9 MD |
4 | /* |
| 5 | * rculfstack.h | |
| 6 | * | |
| 7 | * Userspace RCU library - Lock-Free RCU Stack | |
| 8 | * | |
| 9 | * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
| 10 | * | |
| 11 | * This library is free software; you can redistribute it and/or | |
| 12 | * modify it under the terms of the GNU Lesser General Public | |
| 13 | * License as published by the Free Software Foundation; either | |
| 14 | * version 2.1 of the License, or (at your option) any later version. | |
| 15 | * | |
| 16 | * This library is distributed in the hope that it will be useful, | |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 19 | * Lesser General Public License for more details. | |
| 20 | * | |
| 21 | * You should have received a copy of the GNU Lesser General Public | |
| 22 | * License along with this library; if not, write to the Free Software | |
| 23 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 24 | */ | |
| 25 | ||
| 0e2e9380 MD |
26 | #ifdef __cplusplus |
| 27 | extern "C" { | |
| 28 | #endif | |
| 29 | ||
| 16aa9ee8 DG |
30 | struct cds_lfs_node_rcu { |
| 31 | struct cds_lfs_node_rcu *next; | |
| 453629a9 MD |
32 | }; |
| 33 | ||
| 16aa9ee8 DG |
34 | struct cds_lfs_stack_rcu { |
| 35 | struct cds_lfs_node_rcu *head; | |
| 453629a9 MD |
36 | }; |
| 37 | ||
| b6a37eac | 38 | #ifdef _LGPL_SOURCE |
| 453629a9 | 39 | |
| b6a37eac | 40 | #include <urcu/rculfstack-static.h> |
| 453629a9 | 41 | |
| 16aa9ee8 DG |
42 | #define cds_lfs_node_init_rcu _cds_lfs_node_init_rcu |
| 43 | #define cds_lfs_init_rcu _cds_lfs_init_rcu | |
| 44 | #define cds_lfs_push_rcu _cds_lfs_push_rcu | |
| 45 | #define cds_lfs_pop_rcu _cds_lfs_pop_rcu | |
| 453629a9 | 46 | |
| b6a37eac MD |
47 | #else /* !_LGPL_SOURCE */ |
| 48 | ||
| 16aa9ee8 DG |
49 | extern void cds_lfs_node_init_rcu(struct cds_lfs_node_rcu *node); |
| 50 | extern void cds_lfs_init_rcu(struct cds_lfs_stack_rcu *s); | |
| 51 | extern void cds_lfs_push_rcu(struct cds_lfs_stack_rcu *s, struct cds_lfs_node_rcu *node); | |
| 453629a9 | 52 | |
| 1c1e940e | 53 | /* |
| d9b52143 MD |
54 | * Should be called under rcu read lock critical section. |
| 55 | * | |
| 1c1e940e | 56 | * The caller must wait for a grace period to pass before freeing the returned |
| 16aa9ee8 | 57 | * node or modifying the cds_lfs_node_rcu structure. |
| 1c1e940e MD |
58 | * Returns NULL if stack is empty. |
| 59 | */ | |
| 16aa9ee8 | 60 | extern struct cds_lfs_node_rcu *cds_lfs_pop_rcu(struct cds_lfs_stack_rcu *s); |
| 453629a9 | 61 | |
| b6a37eac | 62 | #endif /* !_LGPL_SOURCE */ |
| c3f74cb2 | 63 | |
| 0e2e9380 MD |
64 | #ifdef __cplusplus |
| 65 | } | |
| 66 | #endif | |
| 67 | ||
| c3f74cb2 | 68 | #endif /* _URCU_RCULFSTACK_H */ |