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Fix code for reducing chance of SQLite connection pool livelocks

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chylex 2022-07-18 14:32:22 +02:00
parent cd418f4871
commit d463b407f4
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1 changed files with 6 additions and 7 deletions
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13
app/Server/Database/Sqlite/Utils/SqliteConnectionPool.cs
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@ -45,22 +45,21 @@ namespace DHT.Server.Database.Sqlite.Utils {
}
public ISqliteConnection Take() {
PooledConnection? conn = null;
while (conn == null) {
while (true) {
ThrowIfDisposed();
lock (monitor) {
if (free.TryTake(out conn, TimeSpan.FromMilliseconds(rand.Next(100, 200)))) {
if (free.TryTake(out var conn)) {
used.Add(conn);
break;
return conn;
}
else {
Log.ForType<SqliteConnectionPool>().Warn("Thread " + Thread.CurrentThread.ManagedThreadId + " is starving for connections.");
}
}
Thread.Sleep(TimeSpan.FromMilliseconds(rand.Next(100, 200)));
}
return conn;
}
private void Return(PooledConnection conn) {