X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=urcu.h;fp=urcu.h;h=0000000000000000000000000000000000000000;hp=85d4a4cdd47db666dfc4cee9c9e80d0879c5c956;hb=6893800a4d1cc14dff0395ddcd660a5138db183d;hpb=a59f39055b5ecb77b68cf78b9839aa9e8e4ec332 diff --git a/urcu.h b/urcu.h deleted file mode 100644 index 85d4a4c..0000000 --- a/urcu.h +++ /dev/null @@ -1,137 +0,0 @@ -#ifndef _URCU_H -#define _URCU_H - -/* - * urcu.h - * - * Userspace RCU header - * - * 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 - * - * IBM's contributions to this file may be relicensed under LGPLv2 or later. - */ - -#include -#include - -/* - * See urcu-pointer.h and urcu/static/urcu-pointer.h for pointer - * publication headers. - */ -#include - -#ifdef __cplusplus -extern "C" { -#endif - -#include - -/* - * Important ! - * - * Each thread containing read-side critical sections must be registered - * with rcu_register_thread_mb() before calling rcu_read_lock_mb(). - * rcu_unregister_thread_mb() should be called before the thread exits. - */ - -#ifdef _LGPL_SOURCE - -#include - -/* - * Mappings for static use of the userspace RCU library. - * Should only be used in LGPL-compatible code. - */ - -/* - * rcu_read_lock() - * rcu_read_unlock() - * - * Mark the beginning and end of a read-side critical section. - * DON'T FORGET TO USE RCU_REGISTER/UNREGISTER_THREAD() FOR EACH THREAD WITH - * READ-SIDE CRITICAL SECTION. - */ -#ifdef RCU_MEMBARRIER -#define rcu_read_lock_memb _rcu_read_lock -#define rcu_read_unlock_memb _rcu_read_unlock -#define rcu_read_ongoing_memb _rcu_read_ongoing -#elif defined(RCU_SIGNAL) -#define rcu_read_lock_sig _rcu_read_lock -#define rcu_read_unlock_sig _rcu_read_unlock -#define rcu_read_ongoing_sig _rcu_read_ongoing -#elif defined(RCU_MB) -#define rcu_read_lock_mb _rcu_read_lock -#define rcu_read_unlock_mb _rcu_read_unlock -#define rcu_read_ongoing_mb _rcu_read_ongoing -#endif - -#else /* !_LGPL_SOURCE */ - -/* - * library wrappers to be used by non-LGPL compatible source code. - * See LGPL-only urcu/static/urcu-pointer.h for documentation. - */ - -extern void rcu_read_lock(void); -extern void rcu_read_unlock(void); -extern int rcu_read_ongoing(void); - -#endif /* !_LGPL_SOURCE */ - -extern void synchronize_rcu(void); - -/* - * Reader thread registration. - */ -extern void rcu_register_thread(void); -extern void rcu_unregister_thread(void); - -/* - * Explicit rcu initialization, for "early" use within library constructors. - */ -extern void rcu_init(void); - -/* - * Q.S. reporting are no-ops for these URCU flavors. - */ -static inline void rcu_quiescent_state(void) -{ -} - -static inline void rcu_thread_offline(void) -{ -} - -static inline void rcu_thread_online(void) -{ -} - -#ifdef __cplusplus -} -#endif - -#include -#include -#include - -#endif /* _URCU_H */