+++ /dev/null
-#ifndef _URCU_QSBR_H
-#define _URCU_QSBR_H
-
-/*
- * urcu-qsbr.h
- *
- * Userspace RCU QSBR header.
- *
- * LGPL-compatible code should include this header with :
- *
- * #define _LGPL_SOURCE
- * #include <urcu.h>
- *
- * 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 <stdlib.h>
-#include <pthread.h>
-
-/*
- * See urcu-pointer.h and urcu/static/urcu-pointer.h for pointer
- * publication headers.
- */
-#include <urcu-pointer.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <urcu/map/urcu-qsbr.h>
-
-#ifdef RCU_DEBUG /* For backward compatibility */
-#define DEBUG_RCU
-#endif
-
-/*
- * Important !
- *
- * Each thread containing read-side critical sections must be registered
- * with rcu_register_thread() before calling rcu_read_lock().
- * rcu_unregister_thread() should be called before the thread exits.
- */
-
-#ifdef _LGPL_SOURCE
-
-#include <urcu/static/urcu-qsbr.h>
-
-/*
- * 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_thread/rcu_unregister_thread()
- * FOR EACH THREAD WITH READ-SIDE CRITICAL SECTION.
- */
-#define rcu_read_lock_qsbr _rcu_read_lock
-#define rcu_read_unlock_qsbr _rcu_read_unlock
-#define rcu_read_ongoing_qsbr _rcu_read_ongoing
-
-#define rcu_quiescent_state_qsbr _rcu_quiescent_state
-#define rcu_thread_offline_qsbr _rcu_thread_offline
-#define rcu_thread_online_qsbr _rcu_thread_online
-
-#else /* !_LGPL_SOURCE */
-
-/*
- * library wrappers to be used by non-LGPL compatible source code.
- */
-
-/*
- * QSBR read lock/unlock are guaranteed to be no-ops. Therefore, we expose them
- * in the LGPL header for any code to use. However, the debug version is not
- * nops and may contain sanity checks. To activate it, applications must be
- * recompiled with -DDEBUG_RCU (even non-LGPL/GPL applications). This is the
- * best trade-off between license/performance/code triviality and
- * library debugging & tracing features we could come up with.
- */
-
-#if (!defined(BUILD_QSBR_LIB) && !defined(DEBUG_RCU))
-
-static inline void rcu_read_lock(void)
-{
-}
-
-static inline void rcu_read_unlock(void)
-{
-}
-
-#else /* !DEBUG_RCU */
-
-extern void rcu_read_lock(void);
-extern void rcu_read_unlock(void);
-
-#endif /* !DEBUG_RCU */
-
-extern int rcu_read_ongoing(void);
-extern void rcu_quiescent_state(void);
-extern void rcu_thread_offline(void);
-extern void rcu_thread_online(void);
-
-#endif /* !_LGPL_SOURCE */
-
-extern void synchronize_rcu(void);
-
-/*
- * Reader thread registration.
- */
-extern void rcu_register_thread(void);
-extern void rcu_unregister_thread(void);
-
-#ifdef __cplusplus
-}
-#endif
-
-#include <urcu-call-rcu.h>
-#include <urcu-defer.h>
-#include <urcu-flavor.h>
-
-#endif /* _URCU_QSBR_H */
projects / urcu.git / blobdiff