github.com/tacshi/go-ethereum@v0.0.0-20230616113857-84a434e20921/core/rawdb/fileutil_mock.go (about)

     1  // Copyright 2019 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  //go:build js
    18  // +build js
    19  
    20  package rawdb
    21  
    22  type FileLock interface {
    23  	Unlock() error
    24  	TryLock() (bool, error)
    25  }
    26  
    27  func NewFileLock(_ string) FileLock {
    28  	return mockFileLock{}
    29  }
    30  
    31  type mockFileLock struct{}
    32  
    33  func (r mockFileLock) Unlock() error {
    34  	return nil
    35  }
    36  func (r mockFileLock) TryLock() (bool, error) {
    37  	return true, nil
    38  }