9 * Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
10 * Copyright (c) 2009 Paul E. McKenney, IBM Corporation.
12 * LGPL-compatible code should include this header with :
14 * #define _LGPL_SOURCE
17 * This library is free software; you can redistribute it and/or
18 * modify it under the terms of the GNU Lesser General Public
19 * License as published by the Free Software Foundation; either
20 * version 2.1 of the License, or (at your option) any later version.
22 * This library is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
25 * Lesser General Public License for more details.
27 * You should have received a copy of the GNU Lesser General Public
28 * License along with this library; if not, write to the Free Software
29 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 * IBM's contributions to this file may be relicensed under LGPLv2 or later.
38 * See urcu/pointer.h and urcu/static/pointer.h for pointer
39 * publication headers.
41 #include <urcu/pointer.h>
47 #include <urcu/map/urcu-mb.h>
52 * Each thread containing read-side critical sections must be registered
53 * with rcu_register_thread_mb() before calling rcu_read_lock_mb().
54 * rcu_unregister_thread_mb() should be called before the thread exits.
59 #include <urcu/static/urcu-mb.h>
62 * Mappings for static use of the userspace RCU library.
63 * Should only be used in LGPL-compatible code.
70 * Mark the beginning and end of a read-side critical section.
71 * DON'T FORGET TO USE RCU_REGISTER/UNREGISTER_THREAD() FOR EACH THREAD WITH
72 * READ-SIDE CRITICAL SECTION.
74 #define urcu_mb_read_lock _urcu_mb_read_lock
75 #define urcu_mb_read_unlock _urcu_mb_read_unlock
76 #define urcu_mb_read_ongoing _urcu_mb_read_ongoing
78 #else /* !_LGPL_SOURCE */
81 * library wrappers to be used by non-LGPL compatible source code.
82 * See LGPL-only urcu/static/pointer.h for documentation.
85 extern void urcu_mb_read_lock(void);
86 extern void urcu_mb_read_unlock(void);
87 extern int urcu_mb_read_ongoing(void);
89 #endif /* !_LGPL_SOURCE */
91 extern void urcu_mb_synchronize_rcu(void);
94 * Reader thread registration.
96 extern void urcu_mb_register_thread(void);
97 extern void urcu_mb_unregister_thread(void);
100 * Explicit rcu initialization, for "early" use within library constructors.
102 extern void urcu_mb_init(void);
105 * Q.S. reporting are no-ops for these URCU flavors.
107 static inline void urcu_mb_quiescent_state(void)
111 static inline void urcu_mb_thread_offline(void)
115 static inline void urcu_mb_thread_online(void)
123 #include <urcu/call-rcu.h>
124 #include <urcu/defer.h>
125 #include <urcu/flavor.h>
128 #include <urcu/map/clear.h>
131 #endif /* _URCU_MB_H */
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