X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu-static.h;h=0c6891e77ca0871f85cd1461333c0facd95bcf13;hp=91d37470fe785ffffd13dc7ebbebeb1357170cd7;hb=0fad128bbcd6f99f2a4ebbc976a76ef1e3155d1c;hpb=809f4fdeada96d22ac2d91603f3dfb68282f4071 diff --git a/urcu-static.h b/urcu-static.h index 91d3747..0c6891e 100644 --- a/urcu-static.h +++ b/urcu-static.h @@ -81,7 +81,9 @@ * data read before the pointer read by speculating the value of the pointer. * Correct ordering is ensured because the pointer is read as a volatile access. * This acts as a global side-effect operation, which forbids reordering of - * dependent memory operations. + * dependent memory operations. Note that such concern about dependency-breaking + * optimizations will eventually be taken care of by the "memory_order_consume" + * addition to forthcoming C++ standard. * * Should match rcu_assign_pointer() or rcu_xchg_pointer(). */ @@ -115,6 +117,12 @@ */ #define KICK_READER_LOOPS 10000 +#ifdef DEBUG_RCU +#define rcu_assert(args...) assert(args) +#else +#define rcu_assert(args...) +#endif + #ifdef DEBUG_YIELD #include #include @@ -125,10 +133,10 @@ #define YIELD_WRITE (1 << 1) /* - * Updates without CONFIG_URCU_AVOID_SIGNALS are much slower. Account this in + * Updates without URCU_MB are much slower. Account this in * the delay. */ -#ifdef CONFIG_URCU_AVOID_SIGNALS +#ifdef URCU_MB /* maximum sleep delay, in us */ #define MAX_SLEEP 50 #else @@ -171,7 +179,7 @@ static inline void debug_yield_init(void) } #endif -#ifdef CONFIG_URCU_AVOID_SIGNALS +#ifdef URCU_MB static inline void reader_barrier() { smp_mb();