release/src/router/dnscrypt/src/libevent-modified/epoll_sub.c

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