Fix: examples silent rules on Solaris
[urcu.git] / include / urcu / flavor.h
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
27 extern "C" {
28 #endif
29
30 struct rcu_head;
31
32 struct 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
39 void urcu_register_rculfhash_atfork(struct urcu_atfork *atfork);
40 void urcu_unregister_rculfhash_atfork(struct urcu_atfork *atfork);
41
42 struct rcu_flavor_struct {
43 void (*read_lock)(void);
44 void (*read_unlock)(void);
45 int (*read_ongoing)(void);
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);
56
57 void (*barrier)(void);
58
59 void (*register_rculfhash_atfork)(struct urcu_atfork *atfork);
60 void (*unregister_rculfhash_atfork)(struct urcu_atfork *atfork);
61 };
62
63 #define DEFINE_RCU_FLAVOR(x) \
64 const struct rcu_flavor_struct x = { \
65 .read_lock = rcu_read_lock, \
66 .read_unlock = rcu_read_unlock, \
67 .read_ongoing = rcu_read_ongoing, \
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,\
76 .barrier = rcu_barrier, \
77 .register_rculfhash_atfork = urcu_register_rculfhash_atfork, \
78 .unregister_rculfhash_atfork = urcu_unregister_rculfhash_atfork,\
79 }
80
81 #define DEFINE_RCU_FLAVOR_ALIAS(x, y) _DEFINE_RCU_FLAVOR_ALIAS(x, y)
82 #ifdef __APPLE__
83 #define _DEFINE_RCU_FLAVOR_ALIAS(x, y)
84 #else
85 #define _DEFINE_RCU_FLAVOR_ALIAS(x, y) \
86 __attribute__((alias(#x))) \
87 extern const struct rcu_flavor_struct y;
88 #endif
89
90 extern const struct rcu_flavor_struct rcu_flavor;
91
92 #ifdef __cplusplus
93 }
94 #endif
95
96 #endif /* _URCU_FLAVOR_H */
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