sparc64: allocate membarrier system call number

[urcu.git] / urcu / arch / sparc64.h

diff --git a/urcu/arch/sparc64.h b/urcu/arch/sparc64.h
index 6ce323fdf82abf112e282d57338f1e100d84eee5..1ff40f5c4698d4d7fd693098a16aabedcf1ba45a 100644 (file)
--- a/urcu/arch/sparc64.h
+++ b/urcu/arch/sparc64.h
@@ -30,6 +30,14 @@
 extern "C" {
 #endif
 
+/*
+ * On Linux, define the membarrier system call number if not yet available in
+ * the system headers.
+ */
+#if (defined(__linux__) && !defined(__NR_membarrier))
+#define __NR_membarrier                351
+#endif
+
 #define CAA_CACHE_LINE_SIZE    256
 
 /*