1 /* $OpenBSD: w_preadv.c,v 1.1 2016/05/07 19:05:22 guenther Exp $ */ 2 /* 3 * Copyright (c) 2015 Philip Guenther <guenther@openbsd.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #include <sys/uio.h> 19 #include <unistd.h> 20 #include "cancel.h" 21 22 ssize_t 23 preadv(int fd, const struct iovec *iovp, int iovcnt, off_t offset) 24 { 25 ssize_t ret; 26 27 ENTER_CANCEL_POINT(1); 28 ret = HIDDEN(preadv)(fd, iovp, iovcnt, offset); 29 LEAVE_CANCEL_POINT(ret == -1); 30 return (ret); 31 } 32 DEF_CANCEL(preadv); 33