Bug 1117977, make script load handling during shutdown safer, r=mccr8

--HG--
extra : rebase_source : d3f3b6961c97ae1a9b67e7b00f41247c1d67eea7
This commit is contained in:
Olli Pettay 2015-02-19 01:18:27 +02:00
parent ffdff69fd0
commit c8bd9f8dee

View File

@ -796,6 +796,8 @@ public:
: mRequest(aRequest), mLoader(aLoader), mToken(nullptr) : mRequest(aRequest), mLoader(aLoader), mToken(nullptr)
{} {}
virtual ~NotifyOffThreadScriptLoadCompletedRunnable();
void SetToken(void* aToken) { void SetToken(void* aToken) {
MOZ_ASSERT(aToken && !mToken); MOZ_ASSERT(aToken && !mToken);
mToken = aToken; mToken = aToken;
@ -814,6 +816,23 @@ nsScriptLoader::ProcessOffThreadRequest(nsScriptLoadRequest* aRequest, void **aO
return rv; return rv;
} }
NotifyOffThreadScriptLoadCompletedRunnable::~NotifyOffThreadScriptLoadCompletedRunnable()
{
if (MOZ_UNLIKELY(mRequest || mLoader) && !NS_IsMainThread()) {
nsCOMPtr<nsIThread> mainThread;
NS_GetMainThread(getter_AddRefs(mainThread));
if (mainThread) {
NS_ProxyRelease(mainThread, mRequest);
NS_ProxyRelease(mainThread, mLoader);
} else {
MOZ_ASSERT(false, "We really shouldn't leak!");
// Better to leak than crash.
unused << mRequest.forget();
unused << mLoader.forget();
}
}
}
NS_IMETHODIMP NS_IMETHODIMP
NotifyOffThreadScriptLoadCompletedRunnable::Run() NotifyOffThreadScriptLoadCompletedRunnable::Run()
{ {