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ipc/ipdl/test/cxx/TestCrashCleanup.cpp@b8a032363ba2 (annotated)

ipc/ipdl/test/cxx/TestCrashCleanup.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 22 Jan 2015 13:21:57 +0100

branch

TOR_BUG_9701

changeset 15

b8a032363ba2

permissions

-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0	1	#include "TestCrashCleanup.h"
michael@0	2
michael@0	3	#include "mozilla/CondVar.h"
michael@0	4	#include "mozilla/Mutex.h"
michael@0	5
michael@0	6	#include "IPDLUnitTests.h" // fail etc.
michael@0	7	#include "IPDLUnitTestSubprocess.h"
michael@0	8
michael@0	9	using mozilla::CondVar;
michael@0	10	using mozilla::Mutex;
michael@0	11	using mozilla::MutexAutoLock;
michael@0	12
michael@0	13	namespace mozilla {
michael@0	14	namespace _ipdltest {
michael@0	15
michael@0	16	//-----------------------------------------------------------------------------
michael@0	17	// parent
michael@0	18
michael@0	19	namespace {
michael@0	20
michael@0	21	// NB: this test does its own shutdown, rather than going through
michael@0	22	// QuitParent(), because it's testing degenerate edge cases
michael@0	23
michael@0	24	void DeleteSubprocess(Mutex* mutex, CondVar* cvar)
michael@0	25	{
michael@0	26	MutexAutoLock lock(*mutex);
michael@0	27
michael@0	28	delete gSubprocess;
michael@0	29	gSubprocess = nullptr;
michael@0	30
michael@0	31	cvar->Notify();
michael@0	32	}
michael@0	33
michael@0	34	void DeleteTheWorld()
michael@0	35	{
michael@0	36	delete static_cast<TestCrashCleanupParent*>(gParentActor);
michael@0	37	gParentActor = nullptr;
michael@0	38
michael@0	39	// needs to be synchronous to avoid affecting event ordering on
michael@0	40	// the main thread
michael@0	41	Mutex mutex("TestCrashCleanup.DeleteTheWorld.mutex");
michael@0	42	CondVar cvar(mutex, "TestCrashCleanup.DeleteTheWorld.cvar");
michael@0	43
michael@0	44	MutexAutoLock lock(mutex);
michael@0	45
michael@0	46	XRE_GetIOMessageLoop()->PostTask(
michael@0	47	FROM_HERE,
michael@0	48	NewRunnableFunction(DeleteSubprocess, &mutex, &cvar));
michael@0	49
michael@0	50	cvar.Wait();
michael@0	51	}
michael@0	52
michael@0	53	void Done()
michael@0	54	{
michael@0	55	static NS_DEFINE_CID(kAppShellCID, NS_APPSHELL_CID);
michael@0	56	nsCOMPtr<nsIAppShell> appShell (do_GetService(kAppShellCID));
michael@0	57	appShell->Exit();
michael@0	58
michael@0	59	passed(__FILE__);
michael@0	60	}
michael@0	61
michael@0	62	} // namespace <anon>
michael@0	63
michael@0	64	TestCrashCleanupParent::TestCrashCleanupParent() : mCleanedUp(false)
michael@0	65	{
michael@0	66	MOZ_COUNT_CTOR(TestCrashCleanupParent);
michael@0	67	}
michael@0	68
michael@0	69	TestCrashCleanupParent::~TestCrashCleanupParent()
michael@0	70	{
michael@0	71	MOZ_COUNT_DTOR(TestCrashCleanupParent);
michael@0	72
michael@0	73	if (!mCleanedUp)
michael@0	74	fail("should have been ActorDestroy()d!");
michael@0	75	}
michael@0	76
michael@0	77	void
michael@0	78	TestCrashCleanupParent::Main()
michael@0	79	{
michael@0	80	// NB: has to be enqueued before IO thread's error notification
michael@0	81	MessageLoop::current()->PostTask(
michael@0	82	FROM_HERE, NewRunnableFunction(DeleteTheWorld));
michael@0	83
michael@0	84	if (CallDIEDIEDIE())
michael@0	85	fail("expected an error!");
michael@0	86
michael@0	87	Close();
michael@0	88
michael@0	89	MessageLoop::current()->PostTask(FROM_HERE, NewRunnableFunction(Done));
michael@0	90	}
michael@0	91
michael@0	92
michael@0	93	//-----------------------------------------------------------------------------
michael@0	94	// child
michael@0	95
michael@0	96	TestCrashCleanupChild::TestCrashCleanupChild()
michael@0	97	{
michael@0	98	MOZ_COUNT_CTOR(TestCrashCleanupChild);
michael@0	99	}
michael@0	100
michael@0	101	TestCrashCleanupChild::~TestCrashCleanupChild()
michael@0	102	{
michael@0	103	MOZ_COUNT_DTOR(TestCrashCleanupChild);
michael@0	104	}
michael@0	105
michael@0	106	bool
michael@0	107	TestCrashCleanupChild::AnswerDIEDIEDIE()
michael@0	108	{
michael@0	109	_exit(0);
michael@0	110	NS_RUNTIMEABORT("unreached");
michael@0	111	return false;
michael@0	112	}
michael@0	113
michael@0	114
michael@0	115	} // namespace _ipdltest
michael@0	116	} // namespace mozilla