1*c43e99fdSEd Maste /*
2*c43e99fdSEd Maste * Copyright 2003-2009 Niels Provos <provos@citi.umich.edu>
3*c43e99fdSEd Maste * Copyright 2009-2012 Niels Provos and Nick Mathewson
4*c43e99fdSEd Maste *
5*c43e99fdSEd Maste * Redistribution and use in source and binary forms, with or without
6*c43e99fdSEd Maste * modification, are permitted provided that the following conditions
7*c43e99fdSEd Maste * are met:
8*c43e99fdSEd Maste * 1. Redistributions of source code must retain the above copyright
9*c43e99fdSEd Maste * notice, this list of conditions and the following disclaimer.
10*c43e99fdSEd Maste * 2. Redistributions in binary form must reproduce the above copyright
11*c43e99fdSEd Maste * notice, this list of conditions and the following disclaimer in the
12*c43e99fdSEd Maste * documentation and/or other materials provided with the distribution.
13*c43e99fdSEd Maste * 3. The name of the author may not be used to endorse or promote products
14*c43e99fdSEd Maste * derived from this software without specific prior written permission.
15*c43e99fdSEd Maste *
16*c43e99fdSEd Maste * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17*c43e99fdSEd Maste * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18*c43e99fdSEd Maste * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19*c43e99fdSEd Maste * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20*c43e99fdSEd Maste * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21*c43e99fdSEd Maste * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22*c43e99fdSEd Maste * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23*c43e99fdSEd Maste * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24*c43e99fdSEd Maste * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25*c43e99fdSEd Maste * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26*c43e99fdSEd Maste */
27*c43e99fdSEd Maste #include "evconfig-private.h"
28*c43e99fdSEd Maste #include <stdint.h>
29*c43e99fdSEd Maste
30*c43e99fdSEd Maste #include <sys/param.h>
31*c43e99fdSEd Maste #include <sys/types.h>
32*c43e99fdSEd Maste #include <sys/syscall.h>
33*c43e99fdSEd Maste #include <sys/epoll.h>
34*c43e99fdSEd Maste #include <unistd.h>
35*c43e99fdSEd Maste #include <errno.h>
36*c43e99fdSEd Maste
37*c43e99fdSEd Maste int
epoll_create(int size)38*c43e99fdSEd Maste epoll_create(int size)
39*c43e99fdSEd Maste {
40*c43e99fdSEd Maste #if !defined(__NR_epoll_create) && defined(__NR_epoll_create1)
41*c43e99fdSEd Maste if (size <= 0) {
42*c43e99fdSEd Maste errno = EINVAL;
43*c43e99fdSEd Maste return -1;
44*c43e99fdSEd Maste }
45*c43e99fdSEd Maste return (syscall(__NR_epoll_create1, 0));
46*c43e99fdSEd Maste #else
47*c43e99fdSEd Maste return (syscall(__NR_epoll_create, size));
48*c43e99fdSEd Maste #endif
49*c43e99fdSEd Maste }
50*c43e99fdSEd Maste
51*c43e99fdSEd Maste int
epoll_ctl(int epfd,int op,int fd,struct epoll_event * event)52*c43e99fdSEd Maste epoll_ctl(int epfd, int op, int fd, struct epoll_event *event)
53*c43e99fdSEd Maste {
54*c43e99fdSEd Maste
55*c43e99fdSEd Maste return (syscall(__NR_epoll_ctl, epfd, op, fd, event));
56*c43e99fdSEd Maste }
57*c43e99fdSEd Maste
58*c43e99fdSEd Maste int
epoll_wait(int epfd,struct epoll_event * events,int maxevents,int timeout)59*c43e99fdSEd Maste epoll_wait(int epfd, struct epoll_event *events, int maxevents, int timeout)
60*c43e99fdSEd Maste {
61*c43e99fdSEd Maste #if !defined(__NR_epoll_wait) && defined(__NR_epoll_pwait)
62*c43e99fdSEd Maste return (syscall(__NR_epoll_pwait, epfd, events, maxevents, timeout, NULL, 0));
63*c43e99fdSEd Maste #else
64*c43e99fdSEd Maste return (syscall(__NR_epoll_wait, epfd, events, maxevents, timeout));
65*c43e99fdSEd Maste #endif
66*c43e99fdSEd Maste }
67