ReactOS  0.4.15-dev-1384-g878186b
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 */