mirror of
git://anongit.mindrot.org/openssh.git
synced 2024-12-13 21:54:40 +00:00
6aa139c41f
[atomicio.c atomicio.h]
introduce atomiciov() function that wraps readv/writev to retry
interrupted transfers like atomicio() does for read/write;
feedback deraadt@ dtucker@ stevesk@ ok deraadt@
50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
/* $OpenBSD: atomicio.h,v 1.8 2006/04/16 00:52:55 djm Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2006 Damien Miller. All rights reserved.
|
|
* Copyright (c) 1995,1999 Theo de Raadt. All rights reserved.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _ATOMICIO_H
|
|
#define _ATOMICIO_H
|
|
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
#include <sys/uio.h>
|
|
|
|
/*
|
|
* Ensure all of data on socket comes through. f==read || f==vwrite
|
|
*/
|
|
size_t atomicio(ssize_t (*)(int, void *, size_t), int, void *, size_t);
|
|
|
|
#define vwrite (ssize_t (*)(int, void *, size_t))write
|
|
|
|
/*
|
|
* ensure all of data on socket comes through. f==readv || f==writev
|
|
*/
|
|
size_t atomiciov(ssize_t (*)(int, const struct iovec *, int),
|
|
int, const struct iovec *, int);
|
|
|
|
#endif /* _ATOMICIO_H */
|