1 /* $NetBSD: atomicio.h,v 1.7 2017/04/18 18:41:46 christos Exp $ */ 2 /* $OpenBSD: atomicio.h,v 1.11 2010/09/22 22:58:51 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 /* 34 * Ensure all of data on socket comes through. f==read || f==vwrite 35 */ 36 size_t 37 atomicio6(ssize_t (*f) (int, void *, size_t), int fd, void *_s, size_t n, 38 int (*cb)(void *, size_t), void *); 39 size_t atomicio(ssize_t (*)(int, void *, size_t), int, void *, size_t); 40 41 #define vwrite (ssize_t (*)(int, void *, size_t))write 42 43 /* 44 * ensure all of data on socket comes through. f==readv || f==writev 45 */ 46 size_t 47 atomiciov6(ssize_t (*f) (int, const struct iovec *, int), int fd, 48 const struct iovec *_iov, int iovcnt, int (*cb)(void *, size_t), void *); 49 size_t atomiciov(ssize_t (*)(int, const struct iovec *, int), 50 int, const struct iovec *, int); 51 52 #endif /* _ATOMICIO_H */ 53