[Webkit-unassigned] [Bug 244670] New: Support desired callback queue for loadFromHTMLWithData to prevent deadlocks

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=244670

            Bug ID: 244670
           Summary: Support desired callback queue for
                    loadFromHTMLWithData to prevent deadlocks
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit API
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jbedard at apple.com

The UIKit usage of this API permits public clients to call into `loadObjectOfClass` from the main queue, therefore typically spinning the run loop or using semaphores. As a result, it’ll deadlock due to loadFromHTMLWithData always re-dispatching back out onto the main queue for its callback.

The only way to get around this is to provide a callback queue up front.

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