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comparison: ipc/ipdl/test/cxx/TestInterruptShutdownRace.cpp
ipc/ipdl/test/cxx/TestInterruptShutdownRace.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:ac54a7b054c5 |
|---|---|
| 1 #include "TestInterruptShutdownRace.h" | |
| 2 | |
| 3 #include "IPDLUnitTests.h" // fail etc. | |
| 4 #include "IPDLUnitTestSubprocess.h" | |
| 5 | |
| 6 template<> | |
| 7 struct RunnableMethodTraits<mozilla::_ipdltest::TestInterruptShutdownRaceParent> | |
| 8 { | |
| 9 static void RetainCallee(mozilla::_ipdltest::TestInterruptShutdownRaceParent* obj) { } | |
| 10 static void ReleaseCallee(mozilla::_ipdltest::TestInterruptShutdownRaceParent* obj) { } | |
| 11 }; | |
| 12 | |
| 13 | |
| 14 namespace mozilla { | |
| 15 namespace _ipdltest { | |
| 16 | |
| 17 //----------------------------------------------------------------------------- | |
| 18 // parent | |
| 19 | |
| 20 namespace { | |
| 21 | |
| 22 // NB: this test does its own shutdown, rather than going through | |
| 23 // QuitParent(), because it's testing degenerate edge cases | |
| 24 | |
| 25 void DeleteSubprocess() | |
| 26 { | |
| 27 delete gSubprocess; | |
| 28 gSubprocess = nullptr; | |
| 29 } | |
| 30 | |
| 31 void Done() | |
| 32 { | |
| 33 passed(__FILE__); | |
| 34 QuitParent(); | |
| 35 } | |
| 36 | |
| 37 } // namespace <anon> | |
| 38 | |
| 39 TestInterruptShutdownRaceParent::TestInterruptShutdownRaceParent() | |
| 40 { | |
| 41 MOZ_COUNT_CTOR(TestInterruptShutdownRaceParent); | |
| 42 } | |
| 43 | |
| 44 TestInterruptShutdownRaceParent::~TestInterruptShutdownRaceParent() | |
| 45 { | |
| 46 MOZ_COUNT_DTOR(TestInterruptShutdownRaceParent); | |
| 47 } | |
| 48 | |
| 49 void | |
| 50 TestInterruptShutdownRaceParent::Main() | |
| 51 { | |
| 52 if (!SendStart()) | |
| 53 fail("sending Start"); | |
| 54 } | |
| 55 | |
| 56 bool | |
| 57 TestInterruptShutdownRaceParent::RecvStartDeath() | |
| 58 { | |
| 59 // this will be ordered before the OnMaybeDequeueOne event of | |
| 60 // Orphan in the queue | |
| 61 MessageLoop::current()->PostTask( | |
| 62 FROM_HERE, | |
| 63 NewRunnableMethod(this, | |
| 64 &TestInterruptShutdownRaceParent::StartShuttingDown)); | |
| 65 return true; | |
| 66 } | |
| 67 | |
| 68 void | |
| 69 TestInterruptShutdownRaceParent::StartShuttingDown() | |
| 70 { | |
| 71 // NB: we sleep here to try and avoid receiving the Orphan message | |
| 72 // while waiting for the CallExit() reply. if we fail at that, it | |
| 73 // will cause the test to pass spuriously, because there won't be | |
| 74 // an OnMaybeDequeueOne task for Orphan | |
| 75 PR_Sleep(2000); | |
| 76 | |
| 77 if (CallExit()) | |
| 78 fail("connection was supposed to be interrupted"); | |
| 79 | |
| 80 Close(); | |
| 81 | |
| 82 delete static_cast<TestInterruptShutdownRaceParent*>(gParentActor); | |
| 83 gParentActor = nullptr; | |
| 84 | |
| 85 XRE_GetIOMessageLoop()->PostTask(FROM_HERE, | |
| 86 NewRunnableFunction(DeleteSubprocess)); | |
| 87 | |
| 88 // this is ordered after the OnMaybeDequeueOne event in the queue | |
| 89 MessageLoop::current()->PostTask(FROM_HERE, | |
| 90 NewRunnableFunction(Done)); | |
| 91 | |
| 92 // |this| has been deleted, be mindful | |
| 93 } | |
| 94 | |
| 95 bool | |
| 96 TestInterruptShutdownRaceParent::RecvOrphan() | |
| 97 { | |
| 98 // it would be nice to fail() here, but we'll process this message | |
| 99 // while waiting for the reply CallExit(). The OnMaybeDequeueOne | |
| 100 // task will still be in the queue, it just wouldn't have had any | |
| 101 // work to do, if we hadn't deleted ourself | |
| 102 return true; | |
| 103 } | |
| 104 | |
| 105 //----------------------------------------------------------------------------- | |
| 106 // child | |
| 107 | |
| 108 TestInterruptShutdownRaceChild::TestInterruptShutdownRaceChild() | |
| 109 { | |
| 110 MOZ_COUNT_CTOR(TestInterruptShutdownRaceChild); | |
| 111 } | |
| 112 | |
| 113 TestInterruptShutdownRaceChild::~TestInterruptShutdownRaceChild() | |
| 114 { | |
| 115 MOZ_COUNT_DTOR(TestInterruptShutdownRaceChild); | |
| 116 } | |
| 117 | |
| 118 bool | |
| 119 TestInterruptShutdownRaceChild::RecvStart() | |
| 120 { | |
| 121 if (!SendStartDeath()) | |
| 122 fail("sending StartDeath"); | |
| 123 | |
| 124 // See comment in StartShuttingDown(): we want to send Orphan() | |
| 125 // while the parent is in its PR_Sleep() | |
| 126 PR_Sleep(1000); | |
| 127 | |
| 128 if (!SendOrphan()) | |
| 129 fail("sending Orphan"); | |
| 130 | |
| 131 return true; | |
| 132 } | |
| 133 | |
| 134 bool | |
| 135 TestInterruptShutdownRaceChild::AnswerExit() | |
| 136 { | |
| 137 _exit(0); | |
| 138 NS_RUNTIMEABORT("unreached"); | |
| 139 return false; | |
| 140 } | |
| 141 | |
| 142 | |
| 143 } // namespace _ipdltest | |
| 144 } // namespace mozilla |
