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https://github.com/freebsd/freebsd-src
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559a218c9b
These sys/cdefs.h are not needed. Purge them. They are mostly left-over from the $FreeBSD$ removal. A few in libc are still required for macros that cdefs.h defines. Keep those. Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D42385
52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
/*-
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* SPDX-License-Identifier: MIT
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*
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* Copyright (c) 2005-2020 Rich Felker, et al.
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* Copyright (c) 2020 Val Packett
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "namespace.h"
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#include <sys/eventfd.h>
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#include <sys/specialfd.h>
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#include <unistd.h>
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#include "un-namespace.h"
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#include "libc_private.h"
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int eventfd(unsigned int initval, int flags)
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{
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struct specialfd_eventfd args;
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args.initval = initval;
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args.flags = flags;
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return (__sys___specialfd(SPECIALFD_EVENTFD, &args, sizeof(args)));
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}
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int eventfd_read(int fd, eventfd_t *value)
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{
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return (sizeof(*value) == _read(fd, value, sizeof(*value)) ? 0 : -1);
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}
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int eventfd_write(int fd, eventfd_t value)
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{
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return (sizeof(value) == _write(fd, &value, sizeof(value)) ? 0 : -1);
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}
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