blob: 540db8b7b5def65cfd8964a5daf7d14a436d016a [file] [log] [blame]
/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed 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.
*/
#ifndef _LOOP_H
#define _LOOP_H
#include <unistd.h>
#include <linux/loop.h>
class Loop {
public:
static const int LOOP_MAX = 8;
public:
static int getNextAvailable(char *buffer, size_t len);
static int lookupActive(const char *loopFile, char *buffer, size_t len);
static int create(const char *loopDevice, const char *loopFile);
static int destroyByDevice(const char *loopDevice);
static int destroyByFile(const char *loopFile);
static int createImageFile(const char *file, size_t sizeMb);
};
#endif