Update support for MEMBARRIER_QUERY

[urcu.git] / urcu-static.h

diff --git a/urcu-static.h b/urcu-static.h
index 44bcd073710e3e98d760c667eb7aa787238bb3ff..e1d0704d1af54cad91ca5c0295f00d92a9cabece 100644 (file)
--- a/urcu-static.h
+++ b/urcu-static.h
@@ -56,8 +56,9 @@ extern "C" {
 
 /* 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_EXPEDITED          (1 << 0)
+# define MEMBARRIER_DELAYED            (1 << 1)
+# define MEMBARRIER_QUERY              (1 << 16)
 # define membarrier(...)               syscall(__NR_membarrier, __VA_ARGS__)
 #else
 # undef RCU_MEMBARRIER