[Webkit-unassigned] [Bug 147992] New: WorkQueue::dispatchAfter() on Windows fires early

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=147992

            Bug ID: 147992
           Summary: WorkQueue::dispatchAfter() on Windows fires early
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Template Framework
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mark.lam at apple.com

The Windows implementation of WorkQueue::dispatchAfter() uses CreateTimerQueueTimer().  Unfortunately, CreateTimerQueueTimer() is sloppy and can fire early.  We need to compensate for this slop to ensure that the specified duration does expire before the callback function is called (or the JSC watchdog which depends on this can fail randomly).

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