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