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Code Issues Releases Wiki Activity

Ensure realm blocks until all threaded usages are completed

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This commit is contained in:
Dean Herbert 2021-10-01 01:32:28 +09:00
parent 9c0abae2b0
commit cfd3bdf888
1 changed files with 31 additions and 8 deletions
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39
osu.Game/Database/RealmContextFactory.cs
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@ -133,20 +133,43 @@ namespace osu.Game.Database
if (IsDisposed)
throw new ObjectDisposedException(nameof(RealmContextFactory));
// TODO: this can be added for safety once we figure how to bypass in test
// if (!ThreadSafety.IsUpdateThread)
// throw new InvalidOperationException($"{nameof(BlockAllOperations)} must be called from the update thread.");
Logger.Log(@"Blocking realm operations.", LoggingTarget.Database);
contextCreationLock.Wait();
try
{
contextCreationLock.Wait();
context?.Dispose();
context = null;
const int sleep_length = 200;
int timeout = 5000;
return new InvokeOnDisposal<RealmContextFactory>(this, endBlockingSection);
context?.Dispose();
context = null;
static void endBlockingSection(RealmContextFactory factory)
// see https://github.com/realm/realm-dotnet/discussions/2657
while (!Compact())
{
Thread.Sleep(sleep_length);
timeout -= sleep_length;
if (timeout < 0)
throw new TimeoutException("Took too long to acquire lock");
}
}
catch
{
contextCreationLock.Release();
throw;
}
return new InvokeOnDisposal<RealmContextFactory>(this, factory =>
{
factory.contextCreationLock.Release();
Logger.Log(@"Restoring realm operations.", LoggingTarget.Database);
}
});
}
protected override void Dispose(bool isDisposing)
@ -155,8 +178,8 @@ namespace osu.Game.Database
if (!IsDisposed)
{
// intentionally block all operations indefinitely. this ensures that nothing can start consuming a new context after disposal.
BlockAllOperations();
// intentionally block context creation indefinitely. this ensures that nothing can start consuming a new context after disposal.
contextCreationLock.Wait();
contextCreationLock.Dispose();
}