Add "sparc" host cpu to configure.ac
[urcu.git] / urcu / map / urcu.h
CommitLineData
5e77fc1f
PM
1#ifndef _URCU_MAP_H
2#define _URCU_MAP_H
3
4/*
5 * urcu-map.h
6 *
7 * Userspace RCU header -- name mapping to allow multiple flavors to be
8 * used in the same executable.
9 *
10 * Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
11 * Copyright (c) 2009 Paul E. McKenney, IBM Corporation.
12 *
13 * LGPL-compatible code should include this header with :
14 *
15 * #define _LGPL_SOURCE
16 * #include <urcu.h>
17 *
18 * This library is free software; you can redistribute it and/or
19 * modify it under the terms of the GNU Lesser General Public
20 * License as published by the Free Software Foundation; either
21 * version 2.1 of the License, or (at your option) any later version.
22 *
23 * This library is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26 * Lesser General Public License for more details.
27 *
28 * You should have received a copy of the GNU Lesser General Public
29 * License along with this library; if not, write to the Free Software
30 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 *
32 * IBM's contributions to this file may be relicensed under LGPLv2 or later.
33 */
34
35/* Mapping macros to allow multiple flavors in a single binary. */
36
0376e7b2 37#if !defined(RCU_MEMBARRIER) && !defined(RCU_SIGNAL) && !defined(RCU_MB)
052fdaee 38#define RCU_MEMBARRIER
0376e7b2
PM
39#endif
40
4a0b347a
MD
41/*
42 * RCU_MEMBARRIER is only possibly available on Linux. Fallback to
43 * RCU_MB
44 * otherwise.
45 */
46#if !defined(__linux__) && defined(RCU_MEMBARRIER)
47#undef RCU_MEMBARRIER
48#define RCU_MB
49#endif
50
51#ifdef RCU_MEMBARRIER
52#include <syscall.h>
53
54/* If the headers do not support SYS_membarrier, statically use RCU_MB */
55#ifdef SYS_membarrier
56# define MEMBARRIER_EXPEDITED (1 << 0)
57# define MEMBARRIER_DELAYED (1 << 1)
58# define MEMBARRIER_QUERY (1 << 16)
59# define membarrier(...) syscall(SYS_membarrier, __VA_ARGS__)
60#else
61# undef RCU_MEMBARRIER
62# define RCU_MB
63#endif
64#endif
65
5e77fc1f
PM
66#ifdef RCU_MEMBARRIER
67
68#define rcu_read_lock rcu_read_lock_memb
69#define _rcu_read_lock _rcu_read_lock_memb
70#define rcu_read_unlock rcu_read_unlock_memb
71#define _rcu_read_unlock _rcu_read_unlock_memb
72#define rcu_register_thread rcu_register_thread_memb
73#define rcu_unregister_thread rcu_unregister_thread_memb
74#define rcu_init rcu_init_memb
75#define rcu_exit rcu_exit_memb
76#define synchronize_rcu synchronize_rcu_memb
77#define rcu_reader rcu_reader_memb
78#define rcu_gp_ctr rcu_gp_ctr_memb
1de4df4b 79#define rcu_gp_futex rcu_gp_futex_memb
5e77fc1f
PM
80
81#define get_cpu_call_rcu_data get_cpu_call_rcu_data_memb
82#define get_call_rcu_thread get_call_rcu_thread_memb
83#define create_call_rcu_data create_call_rcu_data_memb
84#define set_cpu_call_rcu_data set_cpu_call_rcu_data_memb
85#define get_default_call_rcu_data get_default_call_rcu_data_memb
86#define get_call_rcu_data get_call_rcu_data_memb
87#define get_thread_call_rcu_data get_thread_call_rcu_data_memb
88#define set_thread_call_rcu_data set_thread_call_rcu_data_memb
89#define create_all_cpu_call_rcu_data create_all_cpu_call_rcu_data_memb
90#define free_all_cpu_call_rcu_data free_all_cpu_call_rcu_data_memb
91#define call_rcu call_rcu_memb
1de4df4b
MD
92#define call_rcu_data_free call_rcu_data_free_memb
93#define call_rcu_before_fork call_rcu_before_fork_memb
94#define call_rcu_after_fork_parent call_rcu_after_fork_parent_memb
95#define call_rcu_after_fork_child call_rcu_after_fork_child_memb
5e77fc1f 96
0376e7b2
PM
97#define defer_rcu defer_rcu_memb
98#define rcu_defer_register_thread rcu_defer_register_thread_memb
99#define rcu_defer_unregister_thread rcu_defer_unregister_thread_memb
100#define rcu_defer_barrier rcu_defer_barrier_memb
101#define rcu_defer_barrier_thread rcu_defer_barrier_thread_memb
1de4df4b 102#define rcu_defer_exit rcu_defer_exit_memb
0376e7b2 103
541d828d
LJ
104#define rcu_flavor rcu_flavor_memb
105
1de4df4b
MD
106#define rcu_yield_active rcu_yield_active_memb
107#define rcu_rand_yield rcu_rand_yield_memb
108
109/* Specific to MEMBARRIER flavor */
110#define rcu_has_sys_membarrier rcu_has_sys_membarrier_memb
111
5e77fc1f
PM
112#elif defined(RCU_SIGNAL)
113
114#define rcu_read_lock rcu_read_lock_sig
115#define _rcu_read_lock _rcu_read_lock_sig
116#define rcu_read_unlock rcu_read_unlock_sig
117#define _rcu_read_unlock _rcu_read_unlock_sig
118#define rcu_register_thread rcu_register_thread_sig
119#define rcu_unregister_thread rcu_unregister_thread_sig
120#define rcu_init rcu_init_sig
121#define rcu_exit rcu_exit_sig
122#define synchronize_rcu synchronize_rcu_sig
123#define rcu_reader rcu_reader_sig
124#define rcu_gp_ctr rcu_gp_ctr_sig
1de4df4b 125#define rcu_gp_futex rcu_gp_futex_sig
5e77fc1f
PM
126
127#define get_cpu_call_rcu_data get_cpu_call_rcu_data_sig
128#define get_call_rcu_thread get_call_rcu_thread_sig
129#define create_call_rcu_data create_call_rcu_data_sig
130#define set_cpu_call_rcu_data set_cpu_call_rcu_data_sig
131#define get_default_call_rcu_data get_default_call_rcu_data_sig
132#define get_call_rcu_data get_call_rcu_data_sig
133#define get_thread_call_rcu_data get_thread_call_rcu_data_sig
134#define set_thread_call_rcu_data set_thread_call_rcu_data_sig
135#define create_all_cpu_call_rcu_data create_all_cpu_call_rcu_data_sig
136#define free_all_cpu_call_rcu_data free_all_cpu_call_rcu_data_sig
137#define call_rcu call_rcu_sig
1de4df4b
MD
138#define call_rcu_data_free call_rcu_data_free_sig
139#define call_rcu_before_fork call_rcu_before_fork_sig
140#define call_rcu_after_fork_parent call_rcu_after_fork_parent_sig
141#define call_rcu_after_fork_child call_rcu_after_fork_child_sig
5e77fc1f 142
0376e7b2
PM
143#define defer_rcu defer_rcu_sig
144#define rcu_defer_register_thread rcu_defer_register_thread_sig
145#define rcu_defer_unregister_thread rcu_defer_unregister_thread_sig
146#define rcu_defer_barrier rcu_defer_barrier_sig
147#define rcu_defer_barrier_thread rcu_defer_barrier_thread_sig
1de4df4b 148#define rcu_defer_exit rcu_defer_exit_sig
0376e7b2 149
541d828d
LJ
150#define rcu_flavor rcu_flavor_sig
151
1de4df4b
MD
152#define rcu_yield_active rcu_yield_active_sig
153#define rcu_rand_yield rcu_rand_yield_sig
154
5e77fc1f
PM
155#elif defined(RCU_MB)
156
157#define rcu_read_lock rcu_read_lock_mb
158#define _rcu_read_lock _rcu_read_lock_mb
159#define rcu_read_unlock rcu_read_unlock_mb
160#define _rcu_read_unlock _rcu_read_unlock_mb
161#define rcu_register_thread rcu_register_thread_mb
162#define rcu_unregister_thread rcu_unregister_thread_mb
163#define rcu_init rcu_init_mb
164#define rcu_exit rcu_exit_mb
165#define synchronize_rcu synchronize_rcu_mb
166#define rcu_reader rcu_reader_mb
167#define rcu_gp_ctr rcu_gp_ctr_mb
1de4df4b 168#define rcu_gp_futex rcu_gp_futex_mb
5e77fc1f
PM
169
170#define get_cpu_call_rcu_data get_cpu_call_rcu_data_mb
171#define get_call_rcu_thread get_call_rcu_thread_mb
172#define create_call_rcu_data create_call_rcu_data_mb
173#define set_cpu_call_rcu_data set_cpu_call_rcu_data_mb
174#define get_default_call_rcu_data get_default_call_rcu_data_mb
175#define get_call_rcu_data get_call_rcu_data_mb
176#define get_thread_call_rcu_data get_thread_call_rcu_data_mb
177#define set_thread_call_rcu_data set_thread_call_rcu_data_mb
178#define create_all_cpu_call_rcu_data create_all_cpu_call_rcu_data_mb
179#define free_all_cpu_call_rcu_data free_all_cpu_call_rcu_data_mb
180#define call_rcu call_rcu_mb
1de4df4b
MD
181#define call_rcu_data_free call_rcu_data_free_mb
182#define call_rcu_before_fork call_rcu_before_fork_mb
183#define call_rcu_after_fork_parent call_rcu_after_fork_parent_mb
184#define call_rcu_after_fork_child call_rcu_after_fork_child_mb
5e77fc1f 185
0376e7b2
PM
186#define defer_rcu defer_rcu_mb
187#define rcu_defer_register_thread rcu_defer_register_thread_mb
188#define rcu_defer_unregister_thread rcu_defer_unregister_thread_mb
189#define rcu_defer_barrier rcu_defer_barrier_mb
190#define rcu_defer_barrier_thread rcu_defer_barrier_thread_mb
1de4df4b 191#define rcu_defer_exit rcu_defer_exit_mb
0376e7b2 192
541d828d
LJ
193#define rcu_flavor rcu_flavor_mb
194
1de4df4b
MD
195#define rcu_yield_active rcu_yield_active_mb
196#define rcu_rand_yield rcu_rand_yield_mb
197
0376e7b2
PM
198#else
199
200#error "Undefined selection"
201
5e77fc1f
PM
202#endif
203
204#endif /* _URCU_MAP_H */
This page took 0.034872 seconds and 4 git commands to generate.