Add m-esr52 at 52.6.0

1 files changed, 116 insertions, 0 deletions

diff --git a/ipc/ipdl/test/cxx/TestCrashCleanup.cpp b/ipc/ipdl/test/cxx/TestCrashCleanup.cpp
new file mode 100644
index 000000000..2f335daae
--- /dev/null
+++ b/ipc/ipdl/test/cxx/TestCrashCleanup.cpp
@@ -0,0 +1,116 @@
+#include "TestCrashCleanup.h"
+
+#include "base/task.h"
+#include "mozilla/CondVar.h"
+#include "mozilla/Mutex.h"
+
+#include "IPDLUnitTests.h"      // fail etc.
+#include "IPDLUnitTestSubprocess.h"
+
+using mozilla::CondVar;
+using mozilla::Mutex;
+using mozilla::MutexAutoLock;
+
+namespace mozilla {
+namespace _ipdltest {
+
+//-----------------------------------------------------------------------------
+// parent
+
+namespace {
+
+// NB: this test does its own shutdown, rather than going through
+// QuitParent(), because it's testing degenerate edge cases
+
+void DeleteSubprocess(Mutex* mutex, CondVar* cvar)
+{
+    MutexAutoLock lock(*mutex);
+
+    delete gSubprocess;
+    gSubprocess = nullptr;
+
+    cvar->Notify();
+}
+
+void DeleteTheWorld()
+{
+    delete static_cast<TestCrashCleanupParent*>(gParentActor);
+    gParentActor = nullptr;
+
+    // needs to be synchronous to avoid affecting event ordering on
+    // the main thread
+    Mutex mutex("TestCrashCleanup.DeleteTheWorld.mutex");
+    CondVar cvar(mutex, "TestCrashCleanup.DeleteTheWorld.cvar");
+
+    MutexAutoLock lock(mutex);
+
+    XRE_GetIOMessageLoop()->PostTask(
+      NewRunnableFunction(DeleteSubprocess, &mutex, &cvar));
+
+    cvar.Wait();
+}
+
+void Done()
+{
+  static NS_DEFINE_CID(kAppShellCID, NS_APPSHELL_CID);
+  nsCOMPtr<nsIAppShell> appShell (do_GetService(kAppShellCID));
+  appShell->Exit();
+
+  passed(__FILE__);
+}
+
+} // namespace <anon>
+
+TestCrashCleanupParent::TestCrashCleanupParent() : mCleanedUp(false)
+{
+    MOZ_COUNT_CTOR(TestCrashCleanupParent);
+}
+
+TestCrashCleanupParent::~TestCrashCleanupParent()
+{
+    MOZ_COUNT_DTOR(TestCrashCleanupParent);
+
+    if (!mCleanedUp)
+        fail("should have been ActorDestroy()d!");
+}
+
+void
+TestCrashCleanupParent::Main()
+{
+    // NB: has to be enqueued before IO thread's error notification
+    MessageLoop::current()->PostTask(
+        NewRunnableFunction(DeleteTheWorld));
+
+    if (CallDIEDIEDIE())
+        fail("expected an error!");
+
+    Close();
+
+    MessageLoop::current()->PostTask(NewRunnableFunction(Done));
+}
+
+
+//-----------------------------------------------------------------------------
+// child
+
+TestCrashCleanupChild::TestCrashCleanupChild()
+{
+    MOZ_COUNT_CTOR(TestCrashCleanupChild);
+}
+
+TestCrashCleanupChild::~TestCrashCleanupChild()
+{
+    MOZ_COUNT_DTOR(TestCrashCleanupChild);
+}
+
+bool
+TestCrashCleanupChild::AnswerDIEDIEDIE()
+{
+    _exit(0);
+    NS_RUNTIMEABORT("unreached");
+    return false;
+}
+
+
+} // namespace _ipdltest
+} // namespace mozilla