X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu.h;h=85d4a4cdd47db666dfc4cee9c9e80d0879c5c956;hp=92411398383a86909ae55650c18f04d5b395bb50;hb=d1c678425415ed986d0101d5d9ab228b160b2fc3;hpb=02be55611d3b1c7bf4fdfcb3a9c98f621882d417 diff --git a/urcu.h b/urcu.h index 9241139..85d4a4c 100644 --- a/urcu.h +++ b/urcu.h @@ -6,7 +6,7 @@ * * Userspace RCU header * - * Copyright (c) 2009 Mathieu Desnoyers + * Copyright (c) 2009 Mathieu Desnoyers * Copyright (c) 2009 Paul E. McKenney, IBM Corporation. * * LGPL-compatible code should include this header with : @@ -35,25 +35,28 @@ #include /* - * See urcu-pointer.h and urcu-pointer-static.h for pointer publication headers. + * See urcu-pointer.h and urcu/static/urcu-pointer.h for pointer + * publication headers. */ #include #ifdef __cplusplus extern "C" { -#endif +#endif + +#include /* * 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. + * 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 +#include /* * Mappings for static use of the userspace RCU library. @@ -68,18 +71,30 @@ extern "C" { * DON'T FORGET TO USE RCU_REGISTER/UNREGISTER_THREAD() FOR EACH THREAD WITH * READ-SIDE CRITICAL SECTION. */ -#define rcu_read_lock() _rcu_read_lock() -#define rcu_read_unlock() _rcu_read_unlock() +#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-pointer-static.h for documentation. + * 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 */ @@ -96,8 +111,27 @@ extern void rcu_unregister_thread(void); */ extern void rcu_init(void); -#ifdef __cplusplus +/* + * 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 */