gecko/ipc/ipdl/test/cxx/PTestBlockChild.ipdl

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namespace mozilla {
namespace _ipdltest {
rpc protocol PTestBlockChild {
both:
rpc StackFrame();
child:
async Poke1();
async Poke2();
async LastPoke();
async __delete__();
parent:
async P1();
async P2();
async Done();
state START:
// here we |BlockChild()| in the C++
send Poke1 goto CHILD_BLOCKED;
state CHILD_BLOCKED:
call StackFrame goto CHILD_BLOCKED_RPC;
state CHILD_BLOCKED_RPC:
answer StackFrame goto CHILD_BLOCKED_RPC_POKE;
state CHILD_BLOCKED_RPC_POKE:
send Poke2 goto CHILD_STILL_BLOCKED;
// RPC stack frame gone. child should still be blocked
state CHILD_STILL_BLOCKED:
send LastPoke goto CHILD_FLUSH_QUEUE;
// here we |UnblockChild()| in the C++
state CHILD_FLUSH_QUEUE:
recv P1 goto CHILD_FLUSH_QUEUE_P2;
state CHILD_FLUSH_QUEUE_P2:
recv P2 goto CHILD_FLUSH_QUEUE_DONE;
state CHILD_FLUSH_QUEUE_DONE:
recv Done goto DONE;
state DONE:
send __delete__;
};
} // namespace _ipdltest
} // namespace mozilla