Fix: membarrier fallback symbol conflict

[urcu.git] / urcu / static / urcu.h

diff --git a/urcu/static/urcu.h b/urcu/static/urcu.h
index bee97eeb982f2979dae60a1d1ad95b96b9385393..53d2610a6f775651db01f6dec2ab22f1cc9d17ed 100644 (file)
--- 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