The Tor Browser / file comparison
comparison: media/omx-plugin/include/ics/utils/Flattenable.h
media/omx-plugin/include/ics/utils/Flattenable.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:439912961aaf |
|---|---|
| 1 /* | |
| 2 * Copyright (C) 2010 The Android Open Source Project | |
| 3 * | |
| 4 * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 * you may not use this file except in compliance with the License. | |
| 6 * You may obtain a copy of the License at | |
| 7 * | |
| 8 * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 * | |
| 10 * Unless required by applicable law or agreed to in writing, software | |
| 11 * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 * See the License for the specific language governing permissions and | |
| 14 * limitations under the License. | |
| 15 */ | |
| 16 | |
| 17 #ifndef ANDROID_UTILS_FLATTENABLE_H | |
| 18 #define ANDROID_UTILS_FLATTENABLE_H | |
| 19 | |
| 20 | |
| 21 #include <stdint.h> | |
| 22 #include <sys/types.h> | |
| 23 #include <utils/Errors.h> | |
| 24 | |
| 25 namespace android { | |
| 26 | |
| 27 class Flattenable | |
| 28 { | |
| 29 public: | |
| 30 // size in bytes of the flattened object | |
| 31 virtual size_t getFlattenedSize() const = 0; | |
| 32 | |
| 33 // number of file descriptors to flatten | |
| 34 virtual size_t getFdCount() const = 0; | |
| 35 | |
| 36 // flattens the object into buffer. | |
| 37 // size should be at least of getFlattenedSize() | |
| 38 // file descriptors are written in the fds[] array but ownership is | |
| 39 // not transfered (ie: they must be dupped by the caller of | |
| 40 // flatten() if needed). | |
| 41 virtual status_t flatten(void* buffer, size_t size, | |
| 42 int fds[], size_t count) const = 0; | |
| 43 | |
| 44 // unflattens the object from buffer. | |
| 45 // size should be equal to the value of getFlattenedSize() when the | |
| 46 // object was flattened. | |
| 47 // unflattened file descriptors are found in the fds[] array and | |
| 48 // don't need to be dupped(). ie: the caller of unflatten doesn't | |
| 49 // keep ownership. If a fd is not retained by unflatten() it must be | |
| 50 // explicitly closed. | |
| 51 virtual status_t unflatten(void const* buffer, size_t size, | |
| 52 int fds[], size_t count) = 0; | |
| 53 | |
| 54 protected: | |
| 55 virtual ~Flattenable() = 0; | |
| 56 | |
| 57 }; | |
| 58 | |
| 59 }; // namespace android | |
| 60 | |
| 61 | |
| 62 #endif /* ANDROID_UTILS_FLATTENABLE_H */ |
