Chameleon

Chameleon Svn Source Tree

Root/branches/ErmaC/Enoch_Modules/i386/include/IOKit/IOLib.h

1/*
2 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/*
29 * Copyright (c) 1998 Apple Computer, Inc. All rights reserved.
30 *
31 * HISTORY
32 *
33 */
34
35#ifndef __IOKIT_IOLIB_H
36#define __IOKIT_IOLIB_H
37
38
39#include <stdarg.h>
40#include <sys/cdefs.h>
41
42#include <sys/appleapiopts.h>
43
44#include <IOKit/system.h>
45
46#include <IOKit/IOReturn.h>
47#include <IOKit/IOTypes.h>
48#include <IOKit/IOLocks.h>
49
50#include <libkern/OSAtomic.h>
51
52__BEGIN_DECLS
53
54#include <kern/thread_call.h>
55#include <kern/clock.h>
56
57/*
58 * min/max macros.
59 */
60
61#define min(a,b) ((a) < (b) ? (a) : (b))
62#define max(a,b) ((a) > (b) ? (a) : (b))
63
64/*
65 * These are opaque to the user.
66 */
67typedef thread_t IOThread;
68typedef void (*IOThreadFunc)(void *argument);
69
70
71/*
72 * IORound and IOTrunc convenience functions, in the spirit
73 * of vm's round_page() and trunc_page().
74 */
75#define IORound(value,multiple) \
76 ((((value) + (multiple) - 1) / (multiple)) * (multiple))
77
78#define IOTrunc(value,multiple) \
79 (((value) / (multiple)) * (multiple));
80
81__END_DECLS
82
83#endif /* !__IOKIT_IOLIB_H */
84

Archive Download this file

Revision: 2238