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Implement AbortSignal.timeout #32622

Merged
merged 1 commit into from
Feb 2, 2022

Commits on Feb 2, 2022

  1. Implement AbortSignal.timeout

    AbortSignal.timeout is a static method that creates a new AbortSignal
    that is automatically aborted after a specified duration. The
    implementation is essentially PostDelayedTask(SignalAbort, ms).
    
    Throttling: this API is specced to use the timer task source, but there
    are three internally due to our throttling implementation. We use
    immediate for the timeout == 0 case and high nesting for timeount > 0
    (the typical case), i.e. all non-zero timeouts are eligible for
    throttling (Note: this matches scheduler.postTask()).
    
    Spec PR: whatwg/dom#1032
    I2P: https://groups.google.com/a/chromium.org/g/blink-dev/c/9Y290P1WimY/m/bru989iAAgAJ
    
    Bug: 1181925
    Change-Id: I192d82a8bf12c368abcd47ae6c50e80f50654cf9
    Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3425124
    Reviewed-by: Domenic Denicola <domenic@chromium.org>
    Reviewed-by: Mason Freed <masonf@chromium.org>
    Commit-Queue: Scott Haseley <shaseley@chromium.org>
    Cr-Commit-Position: refs/heads/main@{#966406}
    shaseley authored and chromium-wpt-export-bot committed Feb 2, 2022
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