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36 lines
1.1 KiB
36 lines
1.1 KiB
/*
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* Copyright (C) 2019 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 SYS_SENDFILE_H
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#define SYS_SENDFILE_H
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#include <sys/cdefs.h>
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#include <sys/types.h>
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__BEGIN_DECLS
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/*
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* sendfile() here is a relatively straightforward implementation, but
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* obviously not as efficient as the typical syscall implementation which
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* does not require buffers be transferred to userspace and can take
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* advantage of DMA vectored I/O.
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*/
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ssize_t sendfile(int out_fd, int in_fd, off_t* offset, size_t count);
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__END_DECLS
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#endif // SYS_SENDFILE_H
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