From 4906d39806200a81e2f66ef5380974890c4e00c6 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Wed, 29 Jun 2011 12:46:52 -0400
Subject: [PATCH] Check for __linux__ before including syscall.h
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Reported-by: Jean-François Brousseau <jfb@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---
 urcu/static/urcu.h | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/urcu/static/urcu.h b/urcu/static/urcu.h
index 777fa4c..5ba3004 100644
--- a/urcu/static/urcu.h
+++ b/urcu/static/urcu.h
@@ -31,7 +31,6 @@
 
 #include <stdlib.h>
 #include <pthread.h>
-#include <syscall.h>
 #include <unistd.h>
 #include <stdint.h>
 
@@ -46,14 +45,17 @@
 extern "C" {
 #endif 
 
-/* Default is RCU_MEMBARRIER */
+/* Default is RCU_MEMBARRIER on linux */
 #if !defined(RCU_MEMBARRIER) && !defined(RCU_MB) && !defined(RCU_SIGNAL)
-#define RCU_MEMBARRIER
+# ifdef __linux__
+# define RCU_MEMBARRIER
+# else
+# define RCU_MB
+# endif
 #endif
 
 #ifdef RCU_MEMBARRIER
-#include <unistd.h>
-#include <sys/syscall.h>
+#include <syscall.h>
 
 /* If the headers do not support SYS_membarrier, statically use RCU_MB */
 #ifdef SYS_membarrier
-- 
2.34.1