1 files changed, 2 insertions, 0 deletions
diff --git a/ev.c b/ev.c
index db76803..7ae3138 100644
--- a/ev.c
+++ b/ev.c
@@ -603,6 +603,8 @@ struct signalfd_siginfo
     #define ECB_MEMORY_FENCE         __machine_rw_barrier ()
     #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier  ()
     #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier  ()
+  #elif __xlC__
+    #define ECB_MEMORY_FENCE         __lwsync ()
   #endif
 #endif