1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef UTILS_INCLUDE_BUFFER_HANDLE_PARCEL_H 17 #define UTILS_INCLUDE_BUFFER_HANDLE_PARCEL_H 18 19 #ifdef __cplusplus 20 #include "buffer_handle.h" 21 #include "message_parcel.h" 22 namespace OHOS { 23 /* * 24 * @Description: Write BufferHanedle to MessageParcel 25 * @param parcel which the buffer handle will write to 26 * @param handle Buffer handle which will wtite to parcel 27 * @return Returns true if the operation is successful; returns <b>false</b> otherwise. 28 */ 29 bool WriteBufferHandle(MessageParcel &parcel, const BufferHandle &handle); 30 31 /* * 32 * @Description: Read BufferHanedle from MessageParcel 33 * @param parcel message parcel which should has a buffer handle 34 * @return Returns pointer to buffer handle if the operation is successful; returns <b>nullptr</b> otherwise. 35 */ 36 BufferHandle *ReadBufferHandle(MessageParcel &parcel); 37 } // namespace OHO 38 #endif // __cplusplus 39 40 #endif // UTILS_INCLUDE_BUFFER_HANDLE_PARCEL_H 41