xref: /minix/external/bsd/libevent/dist/epoll_sub.c (revision 9f988b79)
1 /*	$NetBSD: epoll_sub.c,v 1.1.1.1 2013/04/11 16:43:26 christos Exp $	*/
2 /*
3  * Copyright 2003-2009 Niels Provos <provos@citi.umich.edu>
4  * Copyright 2009-2012 Niels Provos and Nick Mathewson
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  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 #include <stdint.h>
29 
30 #include <sys/param.h>
31 #include <sys/types.h>
32 #include <sys/syscall.h>
33 #include <sys/epoll.h>
34 #include <unistd.h>
35 
36 int
37 epoll_create(int size)
38 {
39 	return (syscall(__NR_epoll_create, size));
40 }
41 
42 int
43 epoll_ctl(int epfd, int op, int fd, struct epoll_event *event)
44 {
45 
46 	return (syscall(__NR_epoll_ctl, epfd, op, fd, event));
47 }
48 
49 int
50 epoll_wait(int epfd, struct epoll_event *events, int maxevents, int timeout)
51 {
52 	return (syscall(__NR_epoll_wait, epfd, events, maxevents, timeout));
53 }
54