2b72262b4f
I hereby relicense all my work on Sortix under the ISC license as below. All Sortix contributions by other people are already under this license, are not substantial enough to be copyrightable, or have been removed. All imported code from other projects is compatible with this license. All GPL licensed code from other projects had previously been removed. Copyright 2011-2016 Jonas 'Sortie' Termansen and contributors. Permission to use, copy, modify, and distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/*
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* Copyright (c) 2013, 2016 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* sys/select.h
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* Waiting on multiple file descriptors.
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*/
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#ifndef _SYS_SELECT_H
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#define _SYS_SELECT_H 1
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#include <sys/cdefs.h>
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#include <sys/__/types.h>
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#include <string.h> /* TODO: HACK: for FD_ZERO */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef __time_t_defined
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#define __time_t_defined
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typedef __time_t time_t;
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#endif
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#ifndef __suseconds_t_defined
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#define __suseconds_t_defined
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typedef __suseconds_t suseconds_t;
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#endif
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#ifndef __timeval_defined
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#define __timeval_defined
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struct timeval
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{
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time_t tv_sec;
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suseconds_t tv_usec;
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};
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <sortix/sigset.h>
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#include <sortix/timespec.h>
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#define FD_SETSIZE 1024
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#define __FD_ELEM_SIZE ((int) sizeof(__fd_mask))
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#define __FD_ELEM_BITS (8 * __FD_ELEM_SIZE)
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typedef unsigned long __fd_mask;
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typedef struct
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{
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__fd_mask __fds_bits[FD_SETSIZE / (8 * (int) sizeof(__fd_mask))];
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} fd_set;
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#define __FD_INDEX(fd) ((fd) / __FD_ELEM_BITS)
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#define __FD_EXPONENT(fd) ((__fd_mask) (fd) % __FD_ELEM_BITS)
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#define __FD_MASK(fd) (1UL << __FD_EXPONENT(fd))
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#define __FD_ACCESS(fd, fdsetp) ((fdsetp)->__fds_bits[__FD_INDEX(fd)])
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#define FD_CLR(fd, fdsetp) (__FD_ACCESS(fd, fdsetp) &= ~__FD_MASK(fd))
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#define FD_ISSET(fd, fdsetp) (__FD_ACCESS(fd, fdsetp) & __FD_MASK(fd))
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#define FD_SET(fd, fdsetp) (__FD_ACCESS(fd, fdsetp) |= __FD_MASK(fd))
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#define FD_ZERO(fdsetp) memset(fdsetp, 0, sizeof(fd_set))
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/* TODO: pselect */
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int select(int, fd_set* __restrict, fd_set* __restrict, fd_set* __restrict,
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struct timeval* __restrict);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif
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