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https://github.com/openharmony/graphic_graphic_surface.git
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m00472246
46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef INCLUDE_BUFFER_HANDLE_UTILS_H
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#define INCLUDE_BUFFER_HANDLE_UTILS_H
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#include <stdint.h>
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#include <buffer_handle.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @Description: Init buffer handle, and must be freeed by FreeBufferHandle to avoid memory leak
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* @param reserveInts The number of reserved integers
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* @param reserveFds The number of reserved fds
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* @return Returns pointer to buffer handle if the operation is successful; returns <b>nullptr</b> otherwise.
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*/
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BufferHandle *AllocateBufferHandle(uint32_t reserveInts, uint32_t reserveFds);
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/**
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* @Description: Free buffer handle allocated by AllocateBufferHandle, and close the fd at the same time.
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* @param handle Buffer handle which is to be freed.
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* @return Returns <b>0</b> if the operation is successful; returns <b>-1</b> if failed
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*/
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int32_t FreeBufferHandle(BufferHandle *handle);
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#ifdef __cplusplus
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}
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#endif
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#endif // INCLUDE_BUFFER_HANDLE_UTILS_H
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