X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=urcu%2Fstatic%2Furcu.h;h=6990c60a3917def651fb903c8d7b7bcbedfa9027;hb=b14ebbc527e324a541f002452b887b8291062b91;hp=bee97eeb982f2979dae60a1d1ad95b96b9385393;hpb=4de0cd31491bcb93a19c14fc1eb2a2a23ce12855;p=urcu.git

diff --git a/urcu/static/urcu.h b/urcu/static/urcu.h
index bee97ee..6990c60 100644
--- a/urcu/static/urcu.h
+++ b/urcu/static/urcu.h
@@ -51,30 +51,6 @@ extern "C" {
 #define RCU_MEMBARRIER
 #endif
 
-/*
- * RCU_MEMBARRIER is only possibly available on Linux. Fallback to RCU_MB
- * otherwise.
- */
-#if !defined(__linux__) && defined(RCU_MEMBARRIER)
-#undef RCU_MEMBARRIER
-#define RCU_MB
-#endif
-
-#ifdef RCU_MEMBARRIER
-#include <syscall.h>
-
-/* If the headers do not support SYS_membarrier, statically use RCU_MB */
-#ifdef SYS_membarrier
-# define MEMBARRIER_EXPEDITED		(1 << 0)
-# define MEMBARRIER_DELAYED		(1 << 1)
-# define MEMBARRIER_QUERY		(1 << 16)
-# define membarrier(...)		syscall(SYS_membarrier, __VA_ARGS__)
-#else
-# undef RCU_MEMBARRIER
-# define RCU_MB
-#endif
-#endif
-
 /*
  * This code section can only be included in LGPL 2.1 compatible source code.
  * See below for the function call wrappers which can be used in code meant to
@@ -108,61 +84,6 @@ enum rcu_state {
 #define rcu_assert(args...)
 #endif
 
-#ifdef DEBUG_YIELD
-#include <sched.h>
-#include <time.h>
-#include <pthread.h>
-#include <unistd.h>
-
-#define RCU_YIELD_READ 	(1 << 0)
-#define RCU_YIELD_WRITE	(1 << 1)
-
-/*
- * Updates with RCU_SIGNAL are much slower. Account this in the delay.
- */
-#ifdef RCU_SIGNAL
-/* maximum sleep delay, in us */
-#define MAX_SLEEP 30000
-#else
-#define MAX_SLEEP 50
-#endif
-
-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
-
 /*
  * RCU memory barrier broadcast group. Currently, only broadcast to all process
  * threads is supported (group 0).