Utils.h

/*
 * Copyright (C) 2015 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 ANDROID_VOLD_UTILS_H
#define ANDROID_VOLD_UTILS_H

#include <utils/Errors.h>

#include <string>

// DISALLOW_COPY_AND_ASSIGN disallows the copy and operator= functions. It goes in the private:
// declarations in a class.
#if !defined(DISALLOW_COPY_AND_ASSIGN)
#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
    TypeName(const TypeName&) = delete;  \
    void operator=(const TypeName&) = delete
#endif

namespace android {
namespace vold {

status_t CreateDeviceNode(const std::string& path, dev_t dev);
status_t DestroyDeviceNode(const std::string& path);

/* Really unmounts the path, killing active processes along the way */
status_t ForceUnmount(const std::string& path);

/* Creates bind mount from source to target */
status_t BindMount(const std::string& source, const std::string& target);

}  // namespace vold
}  // namespace android

#endif