1*2b15cb3dSCy Schubert /*
2*2b15cb3dSCy Schubert * Copyright 2003-2009 Niels Provos <provos@citi.umich.edu>
3*2b15cb3dSCy Schubert * Copyright 2009-2012 Niels Provos and Nick Mathewson
4*2b15cb3dSCy Schubert *
5*2b15cb3dSCy Schubert * Redistribution and use in source and binary forms, with or without
6*2b15cb3dSCy Schubert * modification, are permitted provided that the following conditions
7*2b15cb3dSCy Schubert * are met:
8*2b15cb3dSCy Schubert * 1. Redistributions of source code must retain the above copyright
9*2b15cb3dSCy Schubert * notice, this list of conditions and the following disclaimer.
10*2b15cb3dSCy Schubert * 2. Redistributions in binary form must reproduce the above copyright
11*2b15cb3dSCy Schubert * notice, this list of conditions and the following disclaimer in the
12*2b15cb3dSCy Schubert * documentation and/or other materials provided with the distribution.
13*2b15cb3dSCy Schubert * 3. The name of the author may not be used to endorse or promote products
14*2b15cb3dSCy Schubert * derived from this software without specific prior written permission.
15*2b15cb3dSCy Schubert *
16*2b15cb3dSCy Schubert * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17*2b15cb3dSCy Schubert * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18*2b15cb3dSCy Schubert * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19*2b15cb3dSCy Schubert * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20*2b15cb3dSCy Schubert * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21*2b15cb3dSCy Schubert * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22*2b15cb3dSCy Schubert * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23*2b15cb3dSCy Schubert * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24*2b15cb3dSCy Schubert * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25*2b15cb3dSCy Schubert * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26*2b15cb3dSCy Schubert */
27*2b15cb3dSCy Schubert #include "evconfig-private.h"
28*2b15cb3dSCy Schubert #include <stdint.h>
29*2b15cb3dSCy Schubert
30*2b15cb3dSCy Schubert #include <sys/param.h>
31*2b15cb3dSCy Schubert #include <sys/types.h>
32*2b15cb3dSCy Schubert #include <sys/syscall.h>
33*2b15cb3dSCy Schubert #include <sys/epoll.h>
34*2b15cb3dSCy Schubert #include <unistd.h>
35*2b15cb3dSCy Schubert #include <errno.h>
36*2b15cb3dSCy Schubert
37*2b15cb3dSCy Schubert int
epoll_create(int size)38*2b15cb3dSCy Schubert epoll_create(int size)
39*2b15cb3dSCy Schubert {
40*2b15cb3dSCy Schubert #if !defined(__NR_epoll_create) && defined(__NR_epoll_create1)
41*2b15cb3dSCy Schubert if (size <= 0) {
42*2b15cb3dSCy Schubert errno = EINVAL;
43*2b15cb3dSCy Schubert return -1;
44*2b15cb3dSCy Schubert }
45*2b15cb3dSCy Schubert return (syscall(__NR_epoll_create1, 0));
46*2b15cb3dSCy Schubert #else
47*2b15cb3dSCy Schubert return (syscall(__NR_epoll_create, size));
48*2b15cb3dSCy Schubert #endif
49*2b15cb3dSCy Schubert }
50*2b15cb3dSCy Schubert
51*2b15cb3dSCy Schubert int
epoll_ctl(int epfd,int op,int fd,struct epoll_event * event)52*2b15cb3dSCy Schubert epoll_ctl(int epfd, int op, int fd, struct epoll_event *event)
53*2b15cb3dSCy Schubert {
54*2b15cb3dSCy Schubert
55*2b15cb3dSCy Schubert return (syscall(__NR_epoll_ctl, epfd, op, fd, event));
56*2b15cb3dSCy Schubert }
57*2b15cb3dSCy Schubert
58*2b15cb3dSCy Schubert int
epoll_wait(int epfd,struct epoll_event * events,int maxevents,int timeout)59*2b15cb3dSCy Schubert epoll_wait(int epfd, struct epoll_event *events, int maxevents, int timeout)
60*2b15cb3dSCy Schubert {
61*2b15cb3dSCy Schubert #if !defined(__NR_epoll_wait) && defined(__NR_epoll_pwait)
62*2b15cb3dSCy Schubert return (syscall(__NR_epoll_pwait, epfd, events, maxevents, timeout, NULL, 0));
63*2b15cb3dSCy Schubert #else
64*2b15cb3dSCy Schubert return (syscall(__NR_epoll_wait, epfd, events, maxevents, timeout));
65*2b15cb3dSCy Schubert #endif
66*2b15cb3dSCy Schubert }
67