/usr/include/android/utils/Flattenable.h is in android-libutils-dev 21-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | /*
* Copyright (C) 2010 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_UTILS_FLATTENABLE_H
#define ANDROID_UTILS_FLATTENABLE_H
#include <stdint.h>
#include <sys/types.h>
#include <utils/Errors.h>
namespace android {
class Flattenable
{
public:
// size in bytes of the flattened object
virtual size_t getFlattenedSize() const = 0;
// number of file descriptors to flatten
virtual size_t getFdCount() const = 0;
// flattens the object into buffer.
// size should be at least of getFlattenedSize()
// file descriptors are written in the fds[] array but ownership is
// not transfered (ie: they must be dupped by the caller of
// flatten() if needed).
virtual status_t flatten(void* buffer, size_t size,
int fds[], size_t count) const = 0;
// unflattens the object from buffer.
// size should be equal to the value of getFlattenedSize() when the
// object was flattened.
// unflattened file descriptors are found in the fds[] array and
// don't need to be dupped(). ie: the caller of unflatten doesn't
// keep ownership. If a fd is not retained by unflatten() it must be
// explicitly closed.
virtual status_t unflatten(void const* buffer, size_t size,
int fds[], size_t count) = 0;
protected:
virtual ~Flattenable() = 0;
};
}; // namespace android
#endif /* ANDROID_UTILS_FLATTENABLE_H */
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