X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Fstatic%2Furcu-bp.h;h=0fcaa3aa272806aa9c8786c96b7675de4fcfddd3;hp=1052c44fad962efa7bb3b9781c3b6097a39257ac;hb=a77f7d8228bcf1259f8c4121ce02d4763424d45a;hpb=c13c2e55160906ebe65756d8674558eda123912d diff --git a/urcu/static/urcu-bp.h b/urcu/static/urcu-bp.h index 1052c44..0fcaa3a 100644 --- a/urcu/static/urcu-bp.h +++ b/urcu/static/urcu-bp.h @@ -39,6 +39,7 @@ #include #include #include +#include /* * This code section can only be included in LGPL 2.1 compatible source code. @@ -52,70 +53,12 @@ extern "C" { #endif -#ifdef DEBUG_RCU -#define rcu_assert(args...) assert(args) -#else -#define rcu_assert(args...) -#endif - enum rcu_state { RCU_READER_ACTIVE_CURRENT, RCU_READER_ACTIVE_OLD, RCU_READER_INACTIVE, }; -#ifdef DEBUG_YIELD -#include -#include -#include -#include - -#define RCU_YIELD_READ (1 << 0) -#define RCU_YIELD_WRITE (1 << 1) - -/* - * Updates without RCU_MB are much slower. Account this in - * the delay. - */ -/* maximum sleep delay, in us */ -#define MAX_SLEEP 50 - -extern unsigned int rcu_yield_active; -extern DECLARE_URCU_TLS(unsigned int, rcu_rand_yield); - -static inline void rcu_debug_yield_read(void) -{ - if (rcu_yield_active & RCU_YIELD_READ) - if (rand_r(&URCU_TLS(rcu_rand_yield)) & 0x1) - usleep(rand_r(&URCU_TLS(rcu_rand_yield)) % MAX_SLEEP); -} - -static inline void rcu_debug_yield_write(void) -{ - if (rcu_yield_active & RCU_YIELD_WRITE) - if (rand_r(&URCU_TLS(rcu_rand_yield)) & 0x1) - usleep(rand_r(&URCU_TLS(rcu_rand_yield)) % MAX_SLEEP); -} - -static inline void rcu_debug_yield_init(void) -{ - URCU_TLS(rcu_rand_yield) = time(NULL) ^ (unsigned long) pthread_self(); -} -#else -static inline void rcu_debug_yield_read(void) -{ -} - -static inline void rcu_debug_yield_write(void) -{ -} - -static inline void rcu_debug_yield_init(void) -{ - -} -#endif - /* * The trick here is that RCU_GP_CTR_PHASE must be a multiple of 8 so we can use a * full 8-bits, 16-bits or 32-bits bitmask for the lower order bits.