1 /* $OpenBSD: w_recvfrom.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/socket.h>
19 #include "cancel.h"
20
21 ssize_t
recvfrom(int fd,void * buf,size_t len,int flags,struct sockaddr * addr,socklen_t * addrlen)22 recvfrom(int fd, void *buf, size_t len, int flags, struct sockaddr *addr,
23 socklen_t *addrlen)
24 {
25 ssize_t ret;
26
27 ENTER_CANCEL_POINT(1);
28 ret = HIDDEN(recvfrom)(fd, buf, len, flags, addr, addrlen);
29 LEAVE_CANCEL_POINT(ret == -1);
30 return (ret);
31 }
32 DEF_CANCEL(recvfrom);
33