#ifndef _URCU_BATCH_H #define _URCU_BATCH_H /* * urcu-defer.h * * Userspace RCU header - deferred execution * * Copyright (c) 2009 Mathieu Desnoyers * Copyright (c) 2009 Paul E. McKenney, IBM Corporation. * * LGPL-compatible code should include this header with : * * #define _LGPL_SOURCE * #include * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include /* * Note: the defer_rcu() API is currently EXPERIMENTAL. It may change in the * future. * * Important ! * * Each thread queuing memory reclamation must be registered with * rcu_defer_register_thread(). rcu_defer_unregister_thread() should be * called before the thread exits. * * *NEVER* use defer_rcu() within a RCU read-side critical section, because this * primitive need to call synchronize_rcu() if the thread queue is full. */ extern void defer_rcu(void (*fct)(void *p), void *p); /* * call_rcu will eventually be implemented with an API similar to the Linux * kernel call_rcu(), which will allow its use within RCU read-side C.S. * Generate an error if used for now. */ #define call_rcu __error_call_rcu_not_implemented_please_use_defer_rcu /* * Thread registration for reclamation. */ extern void rcu_defer_register_thread(void); extern void rcu_defer_unregister_thread(void); extern void rcu_defer_barrier(void); extern void rcu_defer_barrier_thread(void); #endif /* _URCU_BATCH_H */