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Ensure blocking restoration only completes after update callback work is completed

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Dean Herbert
2022-07-05 00:27:38 +09:00
parent 1b98936328
commit 5adec2c738
1 changed files with 23 additions and 2 deletions
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25
osu.Game/Database/RealmAccess.cs
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@ -923,13 +923,34 @@ namespace osu.Game.Database
Logger.Log(@"Restoring realm operations.", LoggingTarget.Database);
realmRetrievalLock.Release();
if (syncContext == null) return;
ManualResetEventSlim updateRealmReestablished = new ManualResetEventSlim();
// Post back to the update thread to revive any subscriptions.
// In the case we are on the update thread, let's also require this to run synchronously.
// This requirement is mostly due to test coverage, but shouldn't cause any harm.
if (ThreadSafety.IsUpdateThread)
syncContext?.Send(_ => ensureUpdateRealm(), null);
{
syncContext.Send(_ =>
{
ensureUpdateRealm();
updateRealmReestablished.Set();
}, null);
}
else
syncContext?.Post(_ => ensureUpdateRealm(), null);
{
syncContext.Post(_ =>
{
ensureUpdateRealm();
updateRealmReestablished.Set();
}, null);
}
// Wait for the post to complete to ensure a second `Migrate` operation doesn't start in the mean time.
// This is important to ensure `ensureUpdateRealm` is run before another blocking migration operation starts.
if (!updateRealmReestablished.Wait(10000))
throw new TimeoutException(@"Reestablishing update realm after block took too long");
}
}