blob: 627ed0debaba1b9b8d94cf0124c37200071a702b [file] [log] [blame]
// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/disk_cache/file_lock.h"
namespace disk_cache {
FileLock::FileLock(BlockFileHeader* header) {
updating_ = &header->updating;
(*updating_)++;
acquired_ = true;
}
void FileLock::Lock() {
if (acquired_)
return;
(*updating_)++;
}
void FileLock::Unlock() {
if (!acquired_)
return;
(*updating_)--;
}
} // namespace disk_cache