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fix: set minimum timeout to be 4 milliseconds (#10972)

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Ryan Dahl 2021-06-15 14:18:16 -04:00 • committed by GitHub
parent 9c42b5e03b
commit 0c0058f118
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6
extensions/timers/lib.rs
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@ -122,6 +122,12 @@ pub fn op_global_timer_start(
timeout: u64,
_: (),
) -> Result<(), AnyError> {
// According to spec, minimum allowed timeout is 4 ms.
// https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#timers
// TODO(#10974) Per spec this is actually a little more complicated than this.
// The minimum timeout depends on the nesting level of the timeout.
let timeout = std::cmp::max(timeout, 4);
let deadline = Instant::now() + Duration::from_millis(timeout);
let global_timer = state.borrow_mut::<GlobalTimer>();
global_timer.new_timeout(deadline);