X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu-static.h;h=eea39bb0641f8b5d295a46dd4f316761a6e85d21;hp=857d30cd729ca7b47accc94e0654807a299719a0;hb=53706aa68118271d0d14bd5f1baa7ea1c4cf9754;hpb=18c3778a6e548f0926cada96db00f8da7cc81454 diff --git a/urcu-static.h b/urcu-static.h index 857d30c..eea39bb 100644 --- a/urcu-static.h +++ b/urcu-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 @@ -259,6 +259,7 @@ static inline void _rcu_read_lock(void) { unsigned long tmp; + barrier(); /* Ensure the compiler does not reorder us with mutex */ tmp = rcu_reader.ctr; /* * rcu_gp_ctr is @@ -294,9 +295,10 @@ static inline void _rcu_read_unlock(void) } else { _STORE_SHARED(rcu_reader.ctr, rcu_reader.ctr - RCU_GP_COUNT); } + barrier(); /* Ensure the compiler does not reorder us with mutex */ } -#ifdef __cplusplus +#ifdef __cplusplus } #endif