[Webkit-unassigned] [Bug 158239] Notify client immediately if network session doesn't exist for a synchronous XHR load.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=158239

--- Comment #4 from Yongjun Zhang <yongjun_zhang at apple.com> ---
(In reply to comment #3)
> Comment on attachment 280188 [details]
> Notify the client immediately when the network session doesn't exist for a
> sync XHR request.
> 
> Why is this only an issue for sync loads? It seems like it's an issue for
> async loads, too.
> 
> Sync loads cause a larger issue because the WebProcess is purposefully
> hanging for them, but isn't it also bad for the WebProcess to think an async
> load is happening.... forever...? Even though it will never happen?

I wasn't able to reproduce with async load. We could hit the point where the network session is removed for an async load. However, since this only happens when we closing a web page, Web Process will cancel the load immediately and we won't have a long waiting WebProcess.

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