1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/genericopenlibs/openenvcore/include/sys/select.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,107 @@
     1.4 +/*-
     1.5 + * Copyright (c) 1992, 1993
     1.6 + *	The Regents of the University of California.  All rights reserved.
     1.7 + *
     1.8 + * Redistribution and use in source and binary forms, with or without
     1.9 + * modification, are permitted provided that the following conditions
    1.10 + * are met:
    1.11 + * 1. Redistributions of source code must retain the above copyright
    1.12 + *    notice, this list of conditions and the following disclaimer.
    1.13 + * 2. Redistributions in binary form must reproduce the above copyright
    1.14 + *    notice, this list of conditions and the following disclaimer in the
    1.15 + *    documentation and/or other materials provided with the distribution.
    1.16 + * 4. Neither the name of the University nor the names of its contributors
    1.17 + *    may be used to endorse or promote products derived from this software
    1.18 + *    without specific prior written permission.
    1.19 + *
    1.20 + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
    1.21 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    1.22 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    1.23 + * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
    1.24 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    1.25 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    1.26 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    1.27 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    1.28 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    1.29 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    1.30 + * SUCH DAMAGE.
    1.31 + *
    1.32 + * $FreeBSD: src/sys/sys/select.h,v 1.19 2004/04/07 04:19:49 imp Exp $
    1.33 + */
    1.34 +
    1.35 +#ifndef _SYS_SELECT_H_
    1.36 +#define	_SYS_SELECT_H_
    1.37 +
    1.38 +#include <sys/cdefs.h>
    1.39 +#include <sys/_types.h>
    1.40 +
    1.41 +#include <sys/_sigset.h>
    1.42 +#include <sys/_timeval.h>
    1.43 +#include <sys/timespec.h>
    1.44 +
    1.45 +
    1.46 +typedef	unsigned long	__fd_mask;
    1.47 +#if __BSD_VISIBLE
    1.48 +typedef	__fd_mask	fd_mask;
    1.49 +#endif
    1.50 +
    1.51 +#ifndef _SIGSET_T_DECLARED
    1.52 +#define	_SIGSET_T_DECLARED
    1.53 +typedef	__uint64_t sigset_t;
    1.54 +#endif
    1.55 +
    1.56 +/*
    1.57 + * Select uses bit masks of file descriptors in longs.  These macros
    1.58 + * manipulate such bit fields (the filesystem macros use chars).
    1.59 + * FD_SETSIZE may be defined by the user, but the default here should
    1.60 + * be enough for most uses.
    1.61 + */
    1.62 +#ifndef	FD_SETSIZE
    1.63 +#define	FD_SETSIZE	1024U
    1.64 +#endif
    1.65 +
    1.66 +#define	_NFDBITS	(sizeof(__fd_mask) * 8)	/* bits per mask */
    1.67 +#if __BSD_VISIBLE
    1.68 +#define	NFDBITS		_NFDBITS
    1.69 +#endif
    1.70 +
    1.71 +#ifndef _howmany
    1.72 +#define	_howmany(x, y)	(((x) + ((y) - 1)) / (y))
    1.73 +#endif
    1.74 +
    1.75 +typedef	struct fd_set {
    1.76 +	__fd_mask	__fds_bits[_howmany(FD_SETSIZE, _NFDBITS)];
    1.77 +} fd_set;
    1.78 +#if __BSD_VISIBLE
    1.79 +#define	fds_bits	__fds_bits
    1.80 +#endif
    1.81 +
    1.82 +#define	__fdset_mask(n)	((__fd_mask)1 << ((n) % _NFDBITS))
    1.83 +#define	FD_CLR(n, p)	((p)->__fds_bits[(n)/_NFDBITS] &= ~__fdset_mask(n))
    1.84 +#if __BSD_VISIBLE
    1.85 +#define	FD_COPY(f, t)	(void)(*(t) = *(f))
    1.86 +#endif
    1.87 +#define	FD_ISSET(n, p)	((p)->__fds_bits[(n)/_NFDBITS] & __fdset_mask(n))
    1.88 +#define	FD_SET(n, p)	((p)->__fds_bits[(n)/_NFDBITS] |= __fdset_mask(n))
    1.89 +#define	FD_ZERO(p) do {					\
    1.90 +	fd_set *_p;					\
    1.91 +	__size_t _n;					\
    1.92 +							\
    1.93 +	_p = (p);					\
    1.94 +	_n = _howmany(FD_SETSIZE, _NFDBITS);		\
    1.95 +	while (_n > 0)					\
    1.96 +		_p->__fds_bits[--_n] = 0;		\
    1.97 +} while (0)
    1.98 +
    1.99 +#ifndef _KERNEL
   1.100 +
   1.101 +__BEGIN_DECLS
   1.102 +#ifndef _SELECT_DECLARED
   1.103 +#define	_SELECT_DECLARED
   1.104 +/* XXX missing restrict type-qualifier */
   1.105 +IMPORT_C int	select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
   1.106 +#endif
   1.107 +__END_DECLS
   1.108 +#endif /* !_KERNEL */
   1.109 +
   1.110 +#endif /* _SYS_SELECT_H_ */