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145 lines
3.4 KiB
C++
145 lines
3.4 KiB
C++
#include "TestRPCShutdownRace.h"
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#include "IPDLUnitTests.h" // fail etc.
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#include "IPDLUnitTestSubprocess.h"
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template<>
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struct RunnableMethodTraits<mozilla::_ipdltest::TestRPCShutdownRaceParent>
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{
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static void RetainCallee(mozilla::_ipdltest::TestRPCShutdownRaceParent* obj) { }
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static void ReleaseCallee(mozilla::_ipdltest::TestRPCShutdownRaceParent* obj) { }
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};
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namespace mozilla {
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namespace _ipdltest {
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//-----------------------------------------------------------------------------
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// parent
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namespace {
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// NB: this test does its own shutdown, rather than going through
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// QuitParent(), because it's testing degenerate edge cases
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void DeleteSubprocess()
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{
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delete gSubprocess;
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gSubprocess = NULL;
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}
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void Done()
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{
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passed(__FILE__);
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QuitParent();
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}
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} // namespace <anon>
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TestRPCShutdownRaceParent::TestRPCShutdownRaceParent()
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{
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MOZ_COUNT_CTOR(TestRPCShutdownRaceParent);
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}
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TestRPCShutdownRaceParent::~TestRPCShutdownRaceParent()
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{
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MOZ_COUNT_DTOR(TestRPCShutdownRaceParent);
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}
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void
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TestRPCShutdownRaceParent::Main()
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{
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if (!SendStart())
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fail("sending Start");
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}
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bool
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TestRPCShutdownRaceParent::RecvStartDeath()
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{
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// this will be ordered before the OnMaybeDequeueOne event of
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// Orphan in the queue
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MessageLoop::current()->PostTask(
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FROM_HERE,
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NewRunnableMethod(this,
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&TestRPCShutdownRaceParent::StartShuttingDown));
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return true;
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}
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void
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TestRPCShutdownRaceParent::StartShuttingDown()
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{
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// NB: we sleep here to try and avoid receiving the Orphan message
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// while waiting for the CallExit() reply. if we fail at that, it
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// will cause the test to pass spuriously, because there won't be
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// an OnMaybeDequeueOne task for Orphan
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PR_Sleep(2000);
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if (CallExit())
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fail("connection was supposed to be interrupted");
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Close();
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delete static_cast<TestRPCShutdownRaceParent*>(gParentActor);
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gParentActor = NULL;
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XRE_GetIOMessageLoop()->PostTask(FROM_HERE,
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NewRunnableFunction(DeleteSubprocess));
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// this is ordered after the OnMaybeDequeueOne event in the queue
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MessageLoop::current()->PostTask(FROM_HERE,
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NewRunnableFunction(Done));
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// |this| has been deleted, be mindful
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}
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bool
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TestRPCShutdownRaceParent::RecvOrphan()
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{
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// it would be nice to fail() here, but we'll process this message
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// while waiting for the reply CallExit(). The OnMaybeDequeueOne
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// task will still be in the queue, it just wouldn't have had any
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// work to do, if we hadn't deleted ourself
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return true;
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}
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//-----------------------------------------------------------------------------
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// child
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TestRPCShutdownRaceChild::TestRPCShutdownRaceChild()
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{
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MOZ_COUNT_CTOR(TestRPCShutdownRaceChild);
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}
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TestRPCShutdownRaceChild::~TestRPCShutdownRaceChild()
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{
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MOZ_COUNT_DTOR(TestRPCShutdownRaceChild);
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}
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bool
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TestRPCShutdownRaceChild::RecvStart()
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{
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if (!SendStartDeath())
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fail("sending StartDeath");
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// See comment in StartShuttingDown(): we want to send Orphan()
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// while the parent is in its PR_Sleep()
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PR_Sleep(1000);
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if (!SendOrphan())
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fail("sending Orphan");
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return true;
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}
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bool
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TestRPCShutdownRaceChild::AnswerExit()
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{
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_exit(0);
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NS_RUNTIMEABORT("unreached");
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return false;
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}
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} // namespace _ipdltest
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} // namespace mozilla
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