1 /* $NetBSD: atomicio.h,v 1.8 2019/04/20 17:16:40 christos Exp $ */ 2 /* $OpenBSD: atomicio.h,v 1.12 2018/12/27 03:25:25 djm Exp $ */ 3 4 /* 5 * Copyright (c) 2006 Damien Miller. All rights reserved. 6 * Copyright (c) 1995,1999 Theo de Raadt. All rights reserved. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef _ATOMICIO_H 31 #define _ATOMICIO_H 32 33 struct iovec; 34 35 /* 36 * Ensure all of data on socket comes through. f==read || f==vwrite 37 */ 38 size_t 39 atomicio6(ssize_t (*f) (int, void *, size_t), int fd, void *_s, size_t n, 40 int (*cb)(void *, size_t), void *); 41 size_t atomicio(ssize_t (*)(int, void *, size_t), int, void *, size_t); 42 43 #define vwrite (ssize_t (*)(int, void *, size_t))write 44 45 /* 46 * ensure all of data on socket comes through. f==readv || f==writev 47 */ 48 size_t 49 atomiciov6(ssize_t (*f) (int, const struct iovec *, int), int fd, 50 const struct iovec *_iov, int iovcnt, int (*cb)(void *, size_t), void *); 51 size_t atomiciov(ssize_t (*)(int, const struct iovec *, int), 52 int, const struct iovec *, int); 53 54 #endif /* _ATOMICIO_H */ 55