1 /* @(#)param.h	1.7 12/01/22 Copyright 2006-2011 J. Schilling */
2 /*
3  *	Abstraction from sys/param.h
4  *
5  *	Copyright (c) 2006-2011 J. Schilling
6  */
7 /*
8  * The contents of this file are subject to the terms of the
9  * Common Development and Distribution License, Version 1.0 only
10  * (the "License").  You may not use this file except in compliance
11  * with the License.
12  *
13  * See the file CDDL.Schily.txt in this distribution for details.
14  * A copy of the CDDL is also available via the Internet at
15  * http://www.opensource.org/licenses/cddl1.txt
16  *
17  * When distributing Covered Code, include this CDDL HEADER in each
18  * file and include the License file CDDL.Schily.txt from this distribution.
19  */
20 
21 #ifndef _SCHILY_PARAM_H
22 #define	_SCHILY_PARAM_H
23 
24 #ifndef	_SCHILY_MCONFIG_H
25 #include <schily/mconfig.h>
26 #endif
27 
28 /*
29  * Let us include system defined types first.
30  */
31 #ifndef	_SCHILY_TYPES_H
32 #include <schily/types.h>
33 #endif
34 #ifdef	HAVE_SYS_PARAM_H
35 #ifndef	_INCL_SYS_PARAM_H
36 #include <sys/param.h>		/* Must be before limits.h */
37 #define	_INCL_SYS_PARAM_H
38 #endif
39 #endif
40 #ifndef	_SCHILY_LIMITS_H
41 #include <schily/limits.h>	/* For _SC_CLK_TCK */
42 #endif
43 #ifndef	_SCHILY_UNISTD_H
44 #include <schily/unistd.h>	/* For _SC_CLK_TCK */
45 #endif
46 
47 #ifndef	NBBY
48 #define	NBBY		8	/* Number of bits per byte */
49 #endif
50 
51 #ifndef	DEV_BSIZE
52 #define	DEV_BSIZE	512	/* UNIX Device Block size */
53 #endif
54 
55 /*
56  * NODEV may be in sys/param.h keep this definition past the include.
57  */
58 #ifndef	NODEV
59 #define	NODEV	((dev_t)-1L)
60 #endif
61 
62 #ifndef	HZ
63 #if	defined(_SC_CLK_TCK)
64 #define	HZ	((clock_t)sysconf(_SC_CLK_TCK))
65 #else
66 #define	HZ	100
67 #endif
68 #endif
69 
70 /*
71  * Do we need to define _XOPEN_SOURCE to get NZERO?
72  * On Linux, it is needed but on Linux NZERO is 20.
73  */
74 #ifndef	NZERO		/* for nice(2) */
75 #define	NZERO	20
76 #endif
77 
78 #endif	/* _SCHILY_PARAM_H */
79