|  | // Licensed to the Apache Software Foundation (ASF) under one or more | 
|  | // contributor license agreements.  See the NOTICE file distributed with | 
|  | // this work for additional information regarding copyright ownership. | 
|  | // The ASF licenses this file to You under the Apache License, Version 2.0 | 
|  | // (the "License"); you may not use this file except in compliance with | 
|  | // the License.  You may obtain a copy of the License at | 
|  | // | 
|  | //     http://www.apache.org/licenses/LICENSE-2.0 | 
|  | // | 
|  | // Unless required by applicable law or agreed to in writing, software | 
|  | // distributed under the License is distributed on an "AS IS" BASIS, | 
|  | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | // See the License for the specific language governing permissions and | 
|  | // limitations under the License. | 
|  |  | 
|  | package dblock | 
|  |  | 
|  | import "errors" | 
|  |  | 
|  | // ErrGetLockContextCancelled is returned when user given context is cancelled while trying to obtain the lock | 
|  | var ErrGetLockContextCancelled = errors.New("context cancelled while trying to obtain lock") | 
|  |  | 
|  | // ErrMySQLTimeout is returned when the MySQL server can't acquire the lock in the specified timeout | 
|  | var ErrMySQLTimeout = errors.New("(mysql) timeout while acquiring the lock") | 
|  |  | 
|  | // ErrMySQLInternalError is returned when MySQL is returning a generic internal error | 
|  | var ErrMySQLInternalError = errors.New("internal mysql error acquiring the lock") |