ReactOS 0.4.15-dev-6056-gb29b268
param.h
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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 *
15 * When distributing Covered Code, include this CDDL HEADER in each
16 * file and include the License file CDDL.Schily.txt from this distribution.
17 */
18
19#ifndef _SCHILY_PARAM_H
20#define _SCHILY_PARAM_H
21
22#ifndef _SCHILY_MCONFIG_H
23#include <schily/mconfig.h>
24#endif
25
26/*
27 * Let us include system defined types first.
28 */
29#ifndef _SCHILY_TYPES_H
30#include <schily/types.h>
31#endif
32#ifdef HAVE_SYS_PARAM_H
33#ifndef _INCL_SYS_PARAM_H
34#include <sys/param.h> /* Must be before limits.h */
35#define _INCL_SYS_PARAM_H
36#endif
37#endif
38#ifndef _SCHILY_LIMITS_H
39#include <schily/limits.h> /* For _SC_CLK_TCK */
40#endif
41#ifndef _SCHILY_UNISTD_H
42#include <schily/unistd.h> /* For _SC_CLK_TCK */
43#endif
44
45#ifndef NBBY
46#define NBBY 8 /* Number of bits per byte */
47#endif
48
49#ifndef DEV_BSIZE
50#define DEV_BSIZE 512 /* UNIX Device Block size */
51#endif
52
53/*
54 * NODEV may be in sys/param.h keep this definition past the include.
55 */
56#ifndef NODEV
57#define NODEV ((dev_t)-1L)
58#endif
59
60#ifndef HZ
61#if defined(_SC_CLK_TCK)
62#define HZ ((clock_t)sysconf(_SC_CLK_TCK))
63#else
64#define HZ 100
65#endif
66#endif
67
68/*
69 * Do we need to define _XOPEN_SOURCE to get NZERO?
70 * On Linux, it is needed but on Linux NZERO is 20.
71 */
72#ifndef NZERO /* for nice(2) */
73#define NZERO 20
74#endif
75
76#endif /* _SCHILY_PARAM_H */