diff -r 000000000000 -r 6474c204b198 ipc/ipdl/test/cxx/PTestUrgency.ipdl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/ipdl/test/cxx/PTestUrgency.ipdl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,20 @@
+namespace mozilla {
+namespace _ipdltest {
+
+intr protocol PTestUrgency
+{
+parent:
+    sync Test1() returns (uint32_t result);
+    async Test2();
+    sync Test3() returns (uint32_t result);
+    sync FinalTest_Begin();
+
+child:
+    async Start();
+    rpc Reply1() returns (uint32_t result);
+    rpc Reply2() returns (uint32_t result);
+    rpc FinalTest_Hang();
+};
+
+} // namespace _ipdltest
+} // namespace mozilla