X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu-bp-static.h;h=6d7e3c874cff4c60f869a15f368324b3b080efde;hp=933f2349a4c015dc9c77ffbabe9491cb3357a3fb;hb=53706aa68118271d0d14bd5f1baa7ea1c4cf9754;hpb=02be55611d3b1c7bf4fdfcb3a9c98f621882d417 diff --git a/urcu-bp-static.h b/urcu-bp-static.h index 933f234..6d7e3c8 100644 --- a/urcu-bp-static.h +++ b/urcu-bp-static.h @@ -9,7 +9,7 @@ * TO BE INCLUDED ONLY IN LGPL-COMPATIBLE CODE. See urcu.h for linking * dynamically with the userspace rcu library. * - * Copyright (c) 2009 Mathieu Desnoyers + * Copyright (c) 2009 Mathieu Desnoyers * Copyright (c) 2009 Paul E. McKenney, IBM Corporation. * * This library is free software; you can redistribute it and/or @@ -140,7 +140,7 @@ struct rcu_reader { /* Data used by both reader and synchronize_rcu() */ long ctr; /* Data used for registry */ - struct list_head head __attribute__((aligned(CACHE_LINE_SIZE))); + struct list_head node __attribute__((aligned(CACHE_LINE_SIZE))); pthread_t tid; int alloc; /* registry entry allocated */ }; @@ -175,6 +175,7 @@ static inline void _rcu_read_lock(void) if (unlikely(!rcu_reader)) rcu_bp_register(); + barrier(); /* Ensure the compiler does not reorder us with mutex */ tmp = rcu_reader->ctr; /* * rcu_gp_ctr is @@ -199,6 +200,7 @@ static inline void _rcu_read_unlock(void) */ smp_mb(); _STORE_SHARED(rcu_reader->ctr, rcu_reader->ctr - RCU_GP_COUNT); + barrier(); /* Ensure the compiler does not reorder us with mutex */ } #ifdef __cplusplus