43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/*
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* Copyright 2017 The Android Open Source Project
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*
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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 __RGA_IM2D_SYNC_H__
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#define __RGA_IM2D_SYNC_H__
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#include <stdint.h>
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/* timeout in msecs */
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int rga_sync_wait(int fd, int timeout);
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/**
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* Merge two sync files.
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*
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* This produces a new sync file with the given name which has the union of the
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* two original sync file's fences; redundant fences may be removed.
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*
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* If one of the input sync files is signaled or invalid, then this function
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* may behave like dup(): the new file descriptor refers to the valid/unsignaled
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* sync file with its original name, rather than a new sync file.
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*
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* The original fences remain valid, and the caller is responsible for closing
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* them.
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*
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* Available since API level 26.
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*/
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int32_t rga_sync_merge(const char* name, int32_t fd1, int32_t fd2);
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#endif
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