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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
133 lines
4.8 KiB
C
133 lines
4.8 KiB
C
/* Copyright (C) 1993, 1994, 1995, 1997, 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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/* This file is deprecated and is provided only for compatibility with
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Unix systems. It is unwise to include this file on programs which
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are intended only for GNU systems.
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Parts from:
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* Copyright (c) 1982, 1986, 1989 The Regents of the University of California.
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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
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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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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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* @(#)param.h 7.23 (Berkeley) 5/6/91
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*/
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#ifndef _SYS_PARAM_H
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#define _SYS_PARAM_H 1
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#include <features.h>
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#define __need_NULL
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#include <stddef.h>
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#include <sys/types.h>
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#include <errno.h>
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#include <signal.h>
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#include <endian.h>
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#include <limits.h>
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#ifdef notyet
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# include <ufs/param.h>
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#endif
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/* What versions of BSD we are compatible with. */
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#define BSD 199306 /* System version (year & month). */
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#define BSD4_3 1
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#define BSD4_4 1
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#define GNU 1994100 /* GNU version (year, month, and release). */
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/* BSD names for some <limits.h> values. We do not define the BSD names
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for the values which are not statically limited, such as NOFILE. */
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#define NBBY CHAR_BIT
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#define NGROUPS NGROUPS_MAX
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#define MAXSYMLINKS SYMLOOP_MAX
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#define CANBSIZ MAX_CANON /* XXX ? */
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/* ARG_MAX is unlimited, but we define NCARGS for BSD programs that want to
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compare against some fixed limit. */
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#define NCARGS INT_MAX
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/* There is nothing quite equivalent in GNU to Unix "mounts", but there is
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no limit on the number of simultaneously attached filesystems. */
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#define NMOUNT INT_MAX
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/* Magical constants. */
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#define NOGROUP 65535 /* Marker for empty group set member. */
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#define NODEV ((dev_t) -1) /* Non-existent device. */
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/* Bit map related macros. */
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#define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
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#define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
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#define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
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#define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
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/* Macros for counting and rounding. */
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#ifndef howmany
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# define howmany(x, y) (((x)+((y)-1))/(y))
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#endif
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#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
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#define powerof2(x) ((((x)-1)&(x))==0)
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/* Macros for min/max. */
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#define MIN(a,b) (((a)<(b))?(a):(b))
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#define MAX(a,b) (((a)>(b))?(a):(b))
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/* Scale factor for scaled integers used to count %cpu time and load avgs.
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The number of CPU `tick's that map to a unique `%age' can be expressed
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by the formula (1 / (2 ^ (FSHIFT - 11))). The maximum load average that
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can be calculated (assuming 32 bits) can be closely approximated using
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the formula (2 ^ (2 * (16 - FSHIFT))) for (FSHIFT < 15). */
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#define FSHIFT 11 /* Bits to right of fixed binary point. */
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#define FSCALE (1<<FSHIFT)
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#endif /* sys/param.h */
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