[Webkit-unassigned] [Bug 23705] New: Messages from workers can take over main thread event loop

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Feb 3 02:48:54 PST 2009


           Summary: Messages from workers can take over main thread event
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P1
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ap at webkit.org
                CC: dimich at chromium.org

Steps to reproduce:
1. Open fast/workers/worker-timeout.html
2. Wait a few seconds for the length of log to become large.
3. Try to use Safari UI (e.g. close the window).

Result: the UI is blocked.

This happens because messages are delivered faster than they can be served. We
need to give the main event loop a chance to run - and we also need to ensure
that queued events don't use up all free memory.

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