gecko-dev/ipc/ipdl/test/cxx/PTestUrgency.ipdl

namespace mozilla {
namespace _ipdltest {

rpc protocol PTestUrgency
{
parent:
    sync Test1() returns (uint32_t result);
    async Test2();
    sync Test3() returns (uint32_t result);
    sync Test4_Begin();
    sync Test4_NestedSync();
    sync FinalTest_Begin();

child:
    async Start();
    urgent Reply1() returns (uint32_t result);
    urgent Reply2() returns (uint32_t result);
    urgent Test4_Reenter();
    urgent FinalTest_Hang();
};

} // namespace _ipdltest
} // namespace mozilla