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febf0f5668
openbsd-compat/bsd-poll.{c,h} openbsd-compat/openbsd-compat.h]
Add an implementation of poll() built on top of select(2). Code from
OpenNTPD with changes suggested by djm. ok djm@
62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/* $OpenBSD: poll.h,v 1.11 2003/12/10 23:10:08 millert Exp $ */
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/*
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* Copyright (c) 1996 Theo de Raadt
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* All rights reserved.
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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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*
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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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/* OPENBSD ORIGINAL: sys/sys/poll.h */
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#if !defined(HAVE_POLL) && !defined(HAVE_POLL_H)
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#ifndef _COMPAT_POLL_H_
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#define _COMPAT_POLL_H_
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typedef struct pollfd {
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int fd;
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short events;
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short revents;
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} pollfd_t;
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typedef unsigned int nfds_t;
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#define POLLIN 0x0001
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#define POLLOUT 0x0004
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#define POLLERR 0x0008
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#if 0
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/* the following are currently not implemented */
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#define POLLPRI 0x0002
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#define POLLHUP 0x0010
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#define POLLNVAL 0x0020
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#define POLLRDNORM 0x0040
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#define POLLNORM POLLRDNORM
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#define POLLWRNORM POLLOUT
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#define POLLRDBAND 0x0080
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#define POLLWRBAND 0x0100
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#endif
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#define INFTIM (-1) /* not standard */
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int poll(struct pollfd *, nfds_t, int);
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#endif /* !_COMPAT_POLL_H_ */
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#endif /* !HAVE_POLL_H */
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