1 /* $OpenBSD: w_read.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 <unistd.h> 19 #include "cancel.h" 20 21 ssize_t 22 read(int fd, void *buf, size_t nbytes) 23 { 24 ssize_t ret; 25 26 ENTER_CANCEL_POINT(1); 27 ret = HIDDEN(read)(fd, buf, nbytes); 28 LEAVE_CANCEL_POINT(ret == -1); 29 return (ret); 30 } 31 DEF_CANCEL(read); 32