1*aa36fcacSchristos /* $NetBSD: atomicio.h,v 1.8 2019/04/20 17:16:40 christos Exp $ */ 2*aa36fcacSchristos /* $OpenBSD: atomicio.h,v 1.12 2018/12/27 03:25:25 djm Exp $ */ 3ca32bd8dSchristos 4ca32bd8dSchristos /* 5ca32bd8dSchristos * Copyright (c) 2006 Damien Miller. All rights reserved. 6ca32bd8dSchristos * Copyright (c) 1995,1999 Theo de Raadt. All rights reserved. 7ca32bd8dSchristos * All rights reserved. 8ca32bd8dSchristos * 9ca32bd8dSchristos * Redistribution and use in source and binary forms, with or without 10ca32bd8dSchristos * modification, are permitted provided that the following conditions 11ca32bd8dSchristos * are met: 12ca32bd8dSchristos * 1. Redistributions of source code must retain the above copyright 13ca32bd8dSchristos * notice, this list of conditions and the following disclaimer. 14ca32bd8dSchristos * 2. Redistributions in binary form must reproduce the above copyright 15ca32bd8dSchristos * notice, this list of conditions and the following disclaimer in the 16ca32bd8dSchristos * documentation and/or other materials provided with the distribution. 17ca32bd8dSchristos * 18ca32bd8dSchristos * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19ca32bd8dSchristos * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20ca32bd8dSchristos * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21ca32bd8dSchristos * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22ca32bd8dSchristos * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23ca32bd8dSchristos * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24ca32bd8dSchristos * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25ca32bd8dSchristos * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26ca32bd8dSchristos * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27ca32bd8dSchristos * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28ca32bd8dSchristos */ 29ca32bd8dSchristos 30ca32bd8dSchristos #ifndef _ATOMICIO_H 31ca32bd8dSchristos #define _ATOMICIO_H 32ca32bd8dSchristos 33*aa36fcacSchristos struct iovec; 34*aa36fcacSchristos 35ca32bd8dSchristos /* 36ca32bd8dSchristos * Ensure all of data on socket comes through. f==read || f==vwrite 37ca32bd8dSchristos */ 38185c8f97Schristos size_t 39185c8f97Schristos atomicio6(ssize_t (*f) (int, void *, size_t), int fd, void *_s, size_t n, 40185c8f97Schristos int (*cb)(void *, size_t), void *); 41ca32bd8dSchristos size_t atomicio(ssize_t (*)(int, void *, size_t), int, void *, size_t); 42ca32bd8dSchristos 43ca32bd8dSchristos #define vwrite (ssize_t (*)(int, void *, size_t))write 44ca32bd8dSchristos 45ca32bd8dSchristos /* 46ca32bd8dSchristos * ensure all of data on socket comes through. f==readv || f==writev 47ca32bd8dSchristos */ 48185c8f97Schristos size_t 49185c8f97Schristos atomiciov6(ssize_t (*f) (int, const struct iovec *, int), int fd, 50185c8f97Schristos const struct iovec *_iov, int iovcnt, int (*cb)(void *, size_t), void *); 51ca32bd8dSchristos size_t atomiciov(ssize_t (*)(int, const struct iovec *, int), 52ca32bd8dSchristos int, const struct iovec *, int); 53ca32bd8dSchristos 54ca32bd8dSchristos #endif /* _ATOMICIO_H */ 55