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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/mach/hurd/sys
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-rw-r--r--sysdeps/mach/hurd/sys/param.h135
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diff --git a/sysdeps/mach/hurd/sys/param.h b/sysdeps/mach/hurd/sys/param.h
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+/* 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 */