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Code Issues Releases Wiki Activity

Move lease check inside schedule

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Theoretically safer due to avoiding a potential data race (change in
`leasedInProgress` between the time of the check and start of schedule
execution).
This commit is contained in:
Bartłomiej Dach 2021-01-30 21:03:09 +01:00
parent 96f56d1c94
commit 5f320cd426
1 changed files with 3 additions and 3 deletions
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6
osu.Game/Screens/OnlinePlay/OngoingOperationTracker.cs
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@ -47,12 +47,12 @@ namespace osu.Game.Screens.OnlinePlay
private void endOperationWithKnownLease(LeasedBindable<bool> lease)
{
if (lease != leasedInProgress)
return;
// for extra safety, marshal the end of operation back to the update thread if necessary.
Scheduler.Add(() =>
{
if (lease != leasedInProgress)
return;
// UnbindAll() is purposefully used instead of Return() - the two do roughly the same thing, with one difference:
// the former won't throw if the lease has already been returned before.
// this matters because framework can unbind the lease via the internal UnbindAllBindables(), which is not always detectable