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54579376c0
by making it accept some open(2) flags. More precisely, only O_CLOEXEC is supported, the flag is translated into the KQUEUE_CLOEXEC flag for kqueuex(2), and O_NONBLOCK is silently ignored. Reported and tested by: vishwin Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D39377
53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
/*-
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* Copyright (c) 2023 The FreeBSD Foundation
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*
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* This software were developed by Konstantin Belousov <kib@FreeBSD.org>
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* under sponsorship from the FreeBSD Foundation.
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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 AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/event.h>
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#include <errno.h>
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#include <fcntl.h>
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/*
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* Provide some NetBSD compatibility. They support a set of O_*
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* flags, we only carry O_CLOEXEC, and accept but ignore O_NONBLOCK.
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*/
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int
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kqueue1(int openflags)
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{
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u_int flags;
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if ((openflags & ~(O_CLOEXEC | O_NONBLOCK)) != 0) {
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errno = EINVAL;
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return (-1);
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}
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flags = 0;
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if ((openflags & O_CLOEXEC) != 0)
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flags |= KQUEUE_CLOEXEC;
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return (kqueuex(flags));
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}
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