xref: /netbsd-src/external/bsd/ntp/dist/sntp/libevent/epoll_sub.c (revision c3ab26950fe8540fb553d1d1dcae454bc98e5a25)
1 /*	$NetBSD: epoll_sub.c,v 1.1.1.1 2013/12/27 23:31:22 christos Exp $	*/
2 
3 /*
4  * Copyright 2003-2009 Niels Provos <provos@citi.umich.edu>
5  * Copyright 2009-2012 Niels Provos and Nick Mathewson
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
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 #include "evconfig-private.h"
30 #include <stdint.h>
31 
32 #include <sys/param.h>
33 #include <sys/types.h>
34 #include <sys/syscall.h>
35 #include <sys/epoll.h>
36 #include <unistd.h>
37 
38 int
39 epoll_create(int size)
40 {
41 	return (syscall(__NR_epoll_create, size));
42 }
43 
44 int
45 epoll_ctl(int epfd, int op, int fd, struct epoll_event *event)
46 {
47 
48 	return (syscall(__NR_epoll_ctl, epfd, op, fd, event));
49 }
50 
51 int
52 epoll_wait(int epfd, struct epoll_event *events, int maxevents, int timeout)
53 {
54 	return (syscall(__NR_epoll_wait, epfd, events, maxevents, timeout));
55 }
56