xref: /freebsd/include/ssp/poll.h (revision 7937bfbc0ca53fe7cdd0d54414f9296e273a518e)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2024, Klara, Inc.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
16  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
19  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  * POSSIBILITY OF SUCH DAMAGE.
26  */
27 #ifndef _SSP_POLL_H_
28 #define _SSP_POLL_H_
29 
30 #include <ssp/ssp.h>
31 
32 #if __SSP_FORTIFY_LEVEL > 0
33 
34 __BEGIN_DECLS
35 
36 __ssp_redirect_raw_impl(int, poll, poll,
37     (struct pollfd fds[], nfds_t nfds, int timeout))
38 {
39 	if (__ssp_bos(fds) / sizeof(fds[0]) < nfds)
40 		__chk_fail();
41 
42 	return (__ssp_real(poll)(fds, nfds, timeout));
43 }
44 
45 #if __BSD_VISIBLE
46 __ssp_redirect_raw_impl(int, ppoll, ppoll,
47     (struct pollfd fds[], nfds_t nfds,
48     const struct timespec *__restrict timeout,
49     const sigset_t *__restrict newsigmask))
50 {
51 	if (__ssp_bos(fds) / sizeof(fds[0]) < nfds)
52 		__chk_fail();
53 
54 	return (__ssp_real(ppoll)(fds, nfds, timeout, newsigmask));
55 }
56 #endif	/* __BSD_VISIBLE */
57 __END_DECLS
58 
59 #endif /* __SSP_FORTIFY_LEVEL > 0 */
60 #endif /* _SSP_POLL_H_ */
61