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Diffstat (limited to 'sysdeps/mach/hurd/sys')
| -rw-r--r-- | sysdeps/mach/hurd/sys/param.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/sys/param.h b/sysdeps/mach/hurd/sys/param.h new file mode 100644 index 0000000000..79f3b0503a --- /dev/null +++ b/sysdeps/mach/hurd/sys/param.h @@ -0,0 +1,135 @@ +/* Copyright (C) 1993, 1994 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +/* This file is deprecated and is provided only for compatibility with + Unix systems. It is unwise to include this file on programs which + are intended only for GNU systems. + + Parts from: + + * Copyright (c) 1982, 1986, 1989 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)param.h 7.23 (Berkeley) 5/6/91 + */ + + +#ifndef _SYS_PARAM_H + +#define _SYS_PARAM_H 1 +#include <features.h> + +#define __need_NULL +#include <stddef.h> + +#include <sys/types.h> +#include <errno.h> +#include <signal.h> +#include <endian.h> +#include <limits.h> +#ifdef notyet +#include <ufs/param.h> +#endif + + +/* What versions of BSD we are compatible with. */ +#define BSD 199306 /* System version (year & month). */ +#define BSD4_3 1 +#define BSD4_4 1 + +#define GNU 1994100 /* GNU version (year, month, and release). */ + + +/* BSD names for some <limits.h> values. We do not define the BSD names + for the values which are not statically limited, such as NOFILE. */ + +#define NGROUPS NGROUPS_MAX +#define MAXSYMLINKS SYMLOOP_MAX +#define CANBSIZ MAX_CANON /* XXX ? */ + +/* ARG_MAX is unlimited, but we define NCARGS for BSD programs that want to + compare against some fixed limit. */ +#define NCARGS INT_MAX + +/* There is nothing quite equivalent in GNU to Unix "mounts", but there is + no limit on the number of simultaneously attached filesystems. */ +#define NMOUNT INT_MAX + + +/* Magical constants. */ +#define NOGROUP 65535 /* Marker for empty group set member. */ +#define NODEV ((dev_t) -1) /* Non-existent device. */ + + +/* Bit map related macros. */ +#define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY)) +#define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY))) +#define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY))) +#define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0) + +/* Macros for counting and rounding. */ +#ifndef howmany +#define howmany(x, y) (((x)+((y)-1))/(y)) +#endif +#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) +#define powerof2(x) ((((x)-1)&(x))==0) + +/* Macros for min/max. */ +#define MIN(a,b) (((a)<(b))?(a):(b)) +#define MAX(a,b) (((a)>(b))?(a):(b)) + + +/* Scale factor for scaled integers used to count %cpu time and load avgs. + + The number of CPU `tick's that map to a unique `%age' can be expressed + by the formula (1 / (2 ^ (FSHIFT - 11))). The maximum load average that + can be calculated (assuming 32 bits) can be closely approximated using + the formula (2 ^ (2 * (16 - FSHIFT))) for (FSHIFT < 15). */ + +#define FSHIFT 11 /* Bits to right of fixed binary point. */ +#define FSCALE (1<<FSHIFT) + +#endif /* sys/param.h */ |