54 lines
2.2 KiB
C
54 lines
2.2 KiB
C
/* $OpenBSD: atomicio.h,v 1.12 2018/12/27 03:25:25 djm Exp $ */
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/*
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* Copyright (c) 2006 Damien Miller. All rights reserved.
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* Copyright (c) 1995,1999 Theo de Raadt. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ATOMICIO_H
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#define _ATOMICIO_H
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struct iovec;
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/*
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* Ensure all of data on socket comes through. f==read || f==vwrite
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*/
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size_t
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atomicio6(ssize_t (*f) (int, void *, size_t), int fd, void *_s, size_t n,
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int (*cb)(void *, size_t), void *);
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size_t atomicio(ssize_t (*)(int, void *, size_t), int, void *, size_t);
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#define vwrite (ssize_t (*)(int, void *, size_t))write
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/*
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* ensure all of data on socket comes through. f==readv || f==writev
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*/
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size_t
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atomiciov6(ssize_t (*f) (int, const struct iovec *, int), int fd,
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const struct iovec *_iov, int iovcnt, int (*cb)(void *, size_t), void *);
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size_t atomiciov(ssize_t (*)(int, const struct iovec *, int),
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int, const struct iovec *, int);
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#endif /* _ATOMICIO_H */
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