[Webkit-unassigned] [Bug 145291] New: Networking process sometimes suspended while WebContent runnable

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=145291

            Bug ID: 145291
           Summary: Networking process sometimes suspended while
                    WebContent runnable
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: barraclough at apple.com

There is an asymetry is how the Networking process suspension is managed. We drop the assertion (& suspend the process) whenever the WebProcess says it is ready to suspend, but we only take the assertion (& resume execution) when the WebContent process is actually resumed. This leaves a race – where the WebContent process was willing to be suspended, but the UI app cahnged its mind suspending it. Since the WebContent process never actually suspended (we only prepared it to), we never send a resume, and since we never resume, we never wake the Networking process.

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