1 files changed, 11 insertions, 0 deletions
diff --git a/op-i386.c b/op-i386.c
index a9583ecf39..835a1ed51b 100644
--- a/op-i386.c
+++ b/op-i386.c
@@ -2272,3 +2272,14 @@ void OPPROTO op_fninit(void)
     env->fptags[6] = 1;
     env->fptags[7] = 1;
 }
+
+/* threading support */
+void OPPROTO op_lock(void)
+{
+    cpu_lock();
+}
+
+void OPPROTO op_unlock(void)
+{
+    cpu_unlock();
+}