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d2684a8645
ppoll() is similar() to poll(), but it takes its timeout as timespec instead of as int, and it takes an additional sigmask parameter. Change the sys$poll parameters to match ppoll() and implement poll() in terms of ppoll().
53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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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 are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND 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 ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <signal.h>
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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#define POLLIN (1u << 0)
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#define POLLPRI (1u << 2)
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#define POLLOUT (1u << 3)
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#define POLLERR (1u << 4)
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#define POLLHUP (1u << 5)
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#define POLLNVAL (1u << 6)
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struct pollfd {
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int fd;
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short events;
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short revents;
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};
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typedef unsigned nfds_t;
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int poll(struct pollfd* fds, nfds_t nfds, int timeout);
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int ppoll(struct pollfd* fds, nfds_t nfds, const struct timespec* timeout, const sigset_t* sigmask);
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__END_DECLS
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