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Added warnings for idempotent freeze/thaw.

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Alan Jeffrey 2017-01-04 13:56:14 +00:00
parent 78c87ea8d7
commit 67bf23016e
1 changed files with 4 additions and 2 deletions
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6
components/script/timers.rs
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@ -229,7 +229,9 @@ impl OneshotTimers {
pub fn suspend(&self) {
// Suspend is idempotent: do nothing if the timers are already suspended.
if self.suspended_since.get().is_some() { return; }
if self.suspended_since.get().is_some() {
return warn!("Suspending an already suspended timer.");
}
self.suspended_since.set(Some(precise_time_ms()));
self.invalidate_expected_event_id();
@ -239,7 +241,7 @@ impl OneshotTimers {
// Suspend is idempotent: do nothing if the timers are already suspended.
let additional_offset = match self.suspended_since.get() {
Some(suspended_since) => precise_time_ms() - suspended_since,
None => return,
None => return warn!("Resuming an already resumed timer."),
};
self.suspension_offset.set(self.suspension_offset.get() + additional_offset);