X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu.h;h=b8ca700ddcdb750270c5e39bd86080b559102363;hp=da0b295ba9d72ec21c4ea1f3291f22ad669665b2;hb=19d0e7ef8f7998fb256017ba2da414d78b3cb91b;hpb=36bc70a84250927ba68d5096a0a9740aec157f9b diff --git a/urcu.h b/urcu.h index da0b295..b8ca700 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 : @@ -35,7 +35,8 @@ #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 @@ -43,17 +44,19 @@ extern "C" { #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 */ @@ -92,12 +107,31 @@ extern void rcu_register_thread(void); extern void rcu_unregister_thread(void); /* - * Explicit urcu initialization, for "early" use within library constructors. + * Explicit rcu initialization, for "early" use within library constructors. + */ +extern void rcu_init(void); + +/* + * Q.S. reporting are no-ops for these URCU flavors. */ -extern void urcu_init(void); +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 */