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/*
* Copyright 2003-2009 Niels Provos <provos@citi.umich.edu>
* Copyright 2009-2012 Niels Provos and Nick Mathewson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdint.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/syscall.h>
#include <sys/epoll.h>
#include <unistd.h>
#include <errno.h>
int
epoll_create(int size)
{
#if !defined(__NR_epoll_create) && defined(__NR_epoll_create1)
if (size <= 0) {
errno = EINVAL;
return -1;
}
return (syscall(__NR_epoll_create1, 0));
#else
return (syscall(__NR_epoll_create, size));
#endif
}
int
epoll_ctl(int epfd, int op, int fd, struct epoll_event *event)
{
return (syscall(__NR_epoll_ctl, epfd, op, fd, event));
}
int
epoll_wait(int epfd, struct epoll_event *events, int maxevents, int timeout)
{
#if !defined(__NR_epoll_wait) && defined(__NR_epoll_pwait)
return (syscall(__NR_epoll_pwait, epfd, events, maxevents, timeout, NULL, 0));
#else
return (syscall(__NR_epoll_wait, epfd, events, maxevents, timeout));
#endif
}
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