Cleanup: remove leftover manual pthread detection
[urcu.git] / urcu-defer.h
1 #ifndef _URCU_BATCH_H
2 #define _URCU_BATCH_H
3
4 /*
5 * urcu-defer.h
6 *
7 * Userspace RCU header - deferred execution
8 *
9 * Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
10 * Copyright (c) 2009 Paul E. McKenney, IBM Corporation.
11 *
12 * LGPL-compatible code should include this header with :
13 *
14 * #define _LGPL_SOURCE
15 * #include <urcu-defer.h>
16 *
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.
21 *
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.
26 *
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
30 */
31
32 #include <stdlib.h>
33 #include <pthread.h>
34
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38
39 /*
40 * Note: the defer_rcu() API is currently EXPERIMENTAL. It may change in the
41 * future.
42 *
43 * Important !
44 *
45 * Each thread queuing memory reclamation must be registered with
46 * rcu_defer_register_thread(). rcu_defer_unregister_thread() should be
47 * called before the thread exits.
48 *
49 * *NEVER* use defer_rcu() within a RCU read-side critical section, because this
50 * primitive need to call synchronize_rcu() if the thread queue is full.
51 */
52
53 extern void defer_rcu(void (*fct)(void *p), void *p);
54
55 /*
56 * Thread registration for reclamation.
57 */
58 extern int rcu_defer_register_thread(void);
59 extern void rcu_defer_unregister_thread(void);
60 extern void rcu_defer_barrier(void);
61 extern void rcu_defer_barrier_thread(void);
62
63 #ifdef __cplusplus
64 }
65 #endif
66
67 #endif /* _URCU_BATCH_H */
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