Port: no symbols aliases on MacOS
[urcu.git] / include / urcu / flavor.h
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1#ifndef _URCU_FLAVOR_H
2#define _URCU_FLAVOR_H
3
4/*
5 * urcu-flavor.h
6 *
7 * Userspace RCU header - rcu flavor declarations
8 *
9 * Copyright (c) 2011 Lai Jiangshan <laijs@cn.fujitsu.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
26#ifdef __cplusplus
27extern "C" {
28#endif
29
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30struct rcu_head;
31
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32struct urcu_atfork {
33 void (*before_fork)(void *priv);
34 void (*after_fork_parent)(void *priv);
35 void (*after_fork_child)(void *priv);
36 void *priv;
37};
38
39void urcu_register_rculfhash_atfork(struct urcu_atfork *atfork);
40void urcu_unregister_rculfhash_atfork(struct urcu_atfork *atfork);
41
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42struct rcu_flavor_struct {
43 void (*read_lock)(void);
44 void (*read_unlock)(void);
882f3357 45 int (*read_ongoing)(void);
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46 void (*read_quiescent_state)(void);
47 void (*update_call_rcu)(struct rcu_head *head,
48 void (*func)(struct rcu_head *head));
49 void (*update_synchronize_rcu)(void);
50 void (*update_defer_rcu)(void (*fct)(void *p), void *p);
51
52 void (*thread_offline)(void);
53 void (*thread_online)(void);
54 void (*register_thread)(void);
55 void (*unregister_thread)(void);
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56
57 void (*barrier)(void);
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58
59 void (*register_rculfhash_atfork)(struct urcu_atfork *atfork);
60 void (*unregister_rculfhash_atfork)(struct urcu_atfork *atfork);
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61};
62
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63#define DEFINE_RCU_FLAVOR(x) \
64const struct rcu_flavor_struct x = { \
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65 .read_lock = rcu_read_lock, \
66 .read_unlock = rcu_read_unlock, \
882f3357 67 .read_ongoing = rcu_read_ongoing, \
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68 .read_quiescent_state = rcu_quiescent_state, \
69 .update_call_rcu = call_rcu, \
70 .update_synchronize_rcu = synchronize_rcu, \
71 .update_defer_rcu = defer_rcu, \
72 .thread_offline = rcu_thread_offline, \
73 .thread_online = rcu_thread_online, \
74 .register_thread = rcu_register_thread, \
75 .unregister_thread = rcu_unregister_thread,\
b7f721d9 76 .barrier = rcu_barrier, \
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77 .register_rculfhash_atfork = urcu_register_rculfhash_atfork, \
78 .unregister_rculfhash_atfork = urcu_unregister_rculfhash_atfork,\
5e6b23a6 79}
541d828d 80
4477a870 81#define DEFINE_RCU_FLAVOR_ALIAS(x, y) _DEFINE_RCU_FLAVOR_ALIAS(x, y)
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82#ifdef __APPLE__
83#define _DEFINE_RCU_FLAVOR_ALIAS(x, y)
84#else
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85#define _DEFINE_RCU_FLAVOR_ALIAS(x, y) \
86__attribute__((alias(#x))) \
87extern const struct rcu_flavor_struct y;
ce28e67a 88#endif
4477a870 89
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90extern const struct rcu_flavor_struct rcu_flavor;
91
92#ifdef __cplusplus
93}
94#endif
95
96#endif /* _URCU_FLAVOR_H */
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