Line data    Source code

       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 "evconfig-private.h"
      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             : #include <errno.h>
      36             : 
      37             : int
      38             : epoll_create(int size)
      39             : {
      40             : #if !defined(__NR_epoll_create) && defined(__NR_epoll_create1)
      41             :         if (size <= 0) {
      42             :                 errno = EINVAL;
      43             :                 return -1;
      44             :         }
      45             :         return (syscall(__NR_epoll_create1, 0));
      46             : #else
      47           0 :         return (syscall(__NR_epoll_create, size));
      48             : #endif
      49             : }
      50             : 
      51             : int
      52             : epoll_ctl(int epfd, int op, int fd, struct epoll_event *event)
      53             : {
      54             : 
      55          46 :         return (syscall(__NR_epoll_ctl, epfd, op, fd, event));
      56             : }
      57             : 
      58             : int
      59             : epoll_wait(int epfd, struct epoll_event *events, int maxevents, int timeout)
      60             : {
      61             : #if !defined(__NR_epoll_wait) && defined(__NR_epoll_pwait)
      62             :         return (syscall(__NR_epoll_pwait, epfd, events, maxevents, timeout, NULL, 0));
      63             : #else
      64         654 :         return (syscall(__NR_epoll_wait, epfd, events, maxevents, timeout));
      65             : #endif
      66             : }