types.h@ 14050

Last change on this file since 14050 was 14023, checked in by vboxsync, 16 years ago
iprt/compiler/msc.h and use compiler/compiler.h instead of compiler/gcc.h
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1	/** @file
2	* IPRT - Types.
3	*/
4
5	/*
6	* Copyright (C) 2006-2007 Sun Microsystems, Inc.
7	*
8	* This file is part of VirtualBox Open Source Edition (OSE), as
9	* available from http://www.virtualbox.org. This file is free software;
10	* you can redistribute it and/or modify it under the terms of the GNU
11	* General Public License (GPL) as published by the Free Software
12	* Foundation, in version 2 as it comes in the "COPYING" file of the
13	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15	*
16	* The contents of this file may alternatively be used under the terms
17	* of the Common Development and Distribution License Version 1.0
18	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19	* VirtualBox OSE distribution, in which case the provisions of the
20	* CDDL are applicable instead of those of the GPL.
21	*
22	* You may elect to license modified versions of this file under the
23	* terms and conditions of either the GPL or the CDDL or both.
24	*
25	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
26	* Clara, CA 95054 USA or visit http://www.sun.com if you need
27	* additional information or have any questions.
28	*/
29
30	#ifndef ___iprt_types_h
31	#define ___iprt_types_h
32
33	#include <iprt/cdefs.h>
34	#include <iprt/stdint.h>
35
36	/*
37	* Include standard C types.
38	*/
39	#ifndef IPRT_NO_CRT
40
41	# if defined(RT_OS_DARWIN) && defined(KERNEL)
42	/*
43	* Kludge for the darwin kernel:
44	* stddef.h is missing IIRC.
45	*/
46	# ifndef _PTRDIFF_T
47	# define _PTRDIFF_T
48	typedef __darwin_ptrdiff_t ptrdiff_t;
49	# endif
50	# include <sys/types.h>
51
52	# elif defined(RT_OS_FREEBSD) && defined(_KERNEL)
53	/*
54	* Kludge for the FreeBSD kernel:
55	* stddef.h and sys/types.h have slightly different offsetof definitions
56	* when compiling in kernel mode. This is just to make GCC shut up.
57	*/
58	# ifndef _STDDEF_H_
59	# undef offsetof
60	# endif
61	# include <stddef.h>
62	# ifndef _SYS_TYPES_H_
63	# undef offsetof
64	# endif
65	# include <sys/types.h>
66	# ifndef offsetof
67	# error "offsetof is not defined..."
68	# endif
69
70	# elif defined(RT_OS_LINUX) && defined(__KERNEL__)
71	/*
72	* Kludge for the linux kernel:
73	* 1. sys/types.h doesn't mix with the kernel.
74	* 2. Starting with 2.6.19, linux/types.h typedefs bool and linux/stddef.h
75	* declares false and true as enum values.
76	* 3. Starting with 2.6.24, linux/types.h typedefs uintptr_t.
77	* We work around these issues here and nowhere else.
78	*/
79	# include <stddef.h>
80	# if defined(__cplusplus)
81	typedef bool _Bool;
82	# endif
83	# define bool linux_bool
84	# define true linux_true
85	# define false linux_false
86	# define uintptr_t linux_uintptr_t
87	# include <linux/autoconf.h>
88	# include <linux/types.h>
89	# include <linux/stddef.h>
90	# undef uintptr_t
91	# undef false
92	# undef true
93	# undef bool
94
95	# else
96	# include <stddef.h>
97	# include <sys/types.h>
98	# endif
99
100	/* Define any types missing from sys/types.h on windows. */
101	# ifdef _MSC_VER
102	# undef ssize_t
103	typedef intptr_t ssize_t;
104	# endif
105
106	#else /* no crt */
107	# include <iprt/nocrt/compiler/compiler.h>
108	#endif /* no crt */
109
110
111
112	/** @defgroup grp_rt_types IPRT Base Types
113	* @{
114	*/
115
116	/* define wchar_t, we don't wanna include all the wcsstuff to get this. */
117	#ifdef _MSC_VER
118	# ifndef _WCHAR_T_DEFINED
119	typedef unsigned short wchar_t;
120	# define _WCHAR_T_DEFINED
121	# endif
122	#endif
123	#ifdef __GNUC__
124	/** @todo wchar_t on GNUC */
125	#endif
126
127	/*
128	* C doesn't have bool.
129	*/
130	#ifndef __cplusplus
131	# if defined(__GNUC__)
132	# if defined(RT_OS_LINUX) && __GNUC__ < 3
133	typedef uint8_t bool;
134	# else
135	# if defined(RT_OS_DARWIN) && defined(_STDBOOL_H)
136	# undef bool
137	# endif
138	typedef _Bool bool;
139	# endif
140	# else
141	typedef unsigned char bool;
142	# endif
143	# ifndef true
144	# define true (1)
145	# endif
146	# ifndef false
147	# define false (0)
148	# endif
149	#endif
150
151	/**
152	* 128-bit unsigned integer.
153	*/
154	#if defined(__GNUC__) && defined(RT_ARCH_AMD64)
155	typedef __uint128_t uint128_t;
156	#else
157	typedef struct uint128_s
158	{
159	uint64_t Lo;
160	uint64_t Hi;
161	} uint128_t;
162	#endif
163
164
165	/**
166	* 128-bit signed integer.
167	*/
168	#if defined(__GNUC__) && defined(RT_ARCH_AMD64)
169	typedef __int128_t int128_t;
170	#else
171	typedef struct int128_s
172	{
173	uint64_t lo;
174	int64_t hi;
175	} int128_t;
176	#endif
177
178
179	/**
180	* 16-bit unsigned integer union.
181	*/
182	typedef union RTUINT16U
183	{
184	/** natural view. */
185	uint16_t u;
186
187	/** 16-bit view. */
188	uint16_t au16[1];
189	/** 8-bit view. */
190	uint8_t au8[4];
191	/** 16-bit hi/lo view. */
192	struct
193	{
194	uint16_t Lo;
195	uint16_t Hi;
196	} s;
197	} RTUINT16U;
198	/** Pointer to a 16-bit unsigned integer union. */
199	typedef RTUINT16U *PRTUINT16U;
200	/** Pointer to a const 32-bit unsigned integer union. */
201	typedef const RTUINT16U *PCRTUINT16U;
202
203
204	/**
205	* 32-bit unsigned integer union.
206	*/
207	typedef union RTUINT32U
208	{
209	/** natural view. */
210	uint32_t u;
211	/** Hi/Low view. */
212	struct
213	{
214	uint16_t Lo;
215	uint16_t Hi;
216	} s;
217	/** Word view. */
218	struct
219	{
220	uint16_t w0;
221	uint16_t w1;
222	} Words;
223
224	/** 32-bit view. */
225	uint32_t au32[1];
226	/** 16-bit view. */
227	uint16_t au16[2];
228	/** 8-bit view. */
229	uint8_t au8[4];
230	} RTUINT32U;
231	/** Pointer to a 32-bit unsigned integer union. */
232	typedef RTUINT32U *PRTUINT32U;
233	/** Pointer to a const 32-bit unsigned integer union. */
234	typedef const RTUINT32U *PCRTUINT32U;
235
236
237	/**
238	* 64-bit unsigned integer union.
239	*/
240	typedef union RTUINT64U
241	{
242	/** Natural view. */
243	uint64_t u;
244	/** Hi/Low view. */
245	struct
246	{
247	uint32_t Lo;
248	uint32_t Hi;
249	} s;
250	/** Double-Word view. */
251	struct
252	{
253	uint32_t dw0;
254	uint32_t dw1;
255	} DWords;
256	/** Word view. */
257	struct
258	{
259	uint16_t w0;
260	uint16_t w1;
261	uint16_t w2;
262	uint16_t w3;
263	} Words;
264
265	/** 64-bit view. */
266	uint64_t au64[1];
267	/** 32-bit view. */
268	uint32_t au32[2];
269	/** 16-bit view. */
270	uint16_t au16[4];
271	/** 8-bit view. */
272	uint8_t au8[8];
273	} RTUINT64U;
274	/** Pointer to a 64-bit unsigned integer union. */
275	typedef RTUINT64U *PRTUINT64U;
276	/** Pointer to a const 64-bit unsigned integer union. */
277	typedef const RTUINT64U *PCRTUINT64U;
278
279
280	/**
281	* 128-bit unsigned integer union.
282	*/
283	typedef union RTUINT128U
284	{
285	/** Natural view.
286	* WARNING! This member depends on the compiler supporting 128-bit stuff. */
287	uint128_t u;
288	/** Hi/Low view. */
289	struct
290	{
291	uint64_t Lo;
292	uint64_t Hi;
293	} s;
294	/** Quad-Word view. */
295	struct
296	{
297	uint64_t qw0;
298	uint64_t qw1;
299	} QWords;
300	/** Double-Word view. */
301	struct
302	{
303	uint32_t dw0;
304	uint32_t dw1;
305	uint32_t dw2;
306	uint32_t dw3;
307	} DWords;
308	/** Word view. */
309	struct
310	{
311	uint16_t w0;
312	uint16_t w1;
313	uint16_t w2;
314	uint16_t w3;
315	uint16_t w4;
316	uint16_t w5;
317	uint16_t w6;
318	uint16_t w7;
319	} Words;
320
321	/** 64-bit view. */
322	uint64_t au64[2];
323	/** 32-bit view. */
324	uint32_t au32[4];
325	/** 16-bit view. */
326	uint16_t au16[8];
327	/** 8-bit view. */
328	uint8_t au8[16];
329	} RTUINT128U;
330	/** Pointer to a 64-bit unsigned integer union. */
331	typedef RTUINT128U *PRTUINT128U;
332	/** Pointer to a const 64-bit unsigned integer union. */
333	typedef const RTUINT128U *PCRTUINT128U;
334
335
336	/** Generic function type.
337	* @see PFNRT
338	*/
339	typedef DECLCALLBACK(void) FNRT(void);
340
341	/** Generic function pointer.
342	* With -pedantic, gcc-4 complains when casting a function to a data object, for example
343	*
344	* @code
345	* void foo(void)
346	* {
347	* }
348	*
349	* void bar = (void )foo;
350	* @endcode
351	*
352	* The compiler would warn with "ISO C++ forbids casting between pointer-to-function and
353	* pointer-to-object". The purpose of this warning is not to bother the programmer but to
354	* point out that he is probably doing something dangerous, assigning a pointer to executable
355	* code to a data object.
356	*/
357	typedef FNRT *PFNRT;
358
359
360	/** @defgroup grp_rt_types_both Common Guest and Host Context Basic Types
361	* @ingroup grp_rt_types
362	* @{
363	*/
364
365	/** Signed integer which can contain both GC and HC pointers. */
366	#if (HC_ARCH_BITS == 32 && GC_ARCH_BITS == 32)
367	typedef int32_t RTINTPTR;
368	#elif (HC_ARCH_BITS == 64 \|\| GC_ARCH_BITS == 64)
369	typedef int64_t RTINTPTR;
370	#else
371	# error Unsupported HC_ARCH_BITS and/or GC_ARCH_BITS values.
372	#endif
373	/** Pointer to signed integer which can contain both GC and HC pointers. */
374	typedef RTINTPTR *PRTINTPTR;
375	/** Pointer const to signed integer which can contain both GC and HC pointers. */
376	typedef const RTINTPTR *PCRTINTPTR;
377
378	/** Unsigned integer which can contain both GC and HC pointers. */
379	#if (HC_ARCH_BITS == 32 && GC_ARCH_BITS == 32)
380	typedef uint32_t RTUINTPTR;
381	#elif (HC_ARCH_BITS == 64 \|\| GC_ARCH_BITS == 64)
382	typedef uint64_t RTUINTPTR;
383	#else
384	# error Unsupported HC_ARCH_BITS and/or GC_ARCH_BITS values.
385	#endif
386	/** Pointer to unsigned integer which can contain both GC and HC pointers. */
387	typedef RTUINTPTR *PRTUINTPTR;
388	/** Pointer const to unsigned integer which can contain both GC and HC pointers. */
389	typedef const RTUINTPTR *PCRTUINTPTR;
390
391	/** Signed integer. */
392	typedef int32_t RTINT;
393	/** Pointer to signed integer. */
394	typedef RTINT *PRTINT;
395	/** Pointer to const signed integer. */
396	typedef const RTINT *PCRTINT;
397
398	/** Unsigned integer. */
399	typedef uint32_t RTUINT;
400	/** Pointer to unsigned integer. */
401	typedef RTUINT *PRTUINT;
402	/** Pointer to const unsigned integer. */
403	typedef const RTUINT *PCRTUINT;
404
405	/** A file offset / size (off_t). */
406	typedef int64_t RTFOFF;
407	/** Pointer to a file offset / size. */
408	typedef RTFOFF *PRTFOFF;
409	/** The max value for RTFOFF. */
410	#define RTFOFF_MAX INT64_MAX
411	/** The min value for RTFOFF. */
412	#define RTFOFF_MIN INT64_MIN
413
414	/** File mode (see iprt/fs.h). */
415	typedef uint32_t RTFMODE;
416	/** Pointer to file mode. */
417	typedef RTFMODE *PRTFMODE;
418
419	/** Device unix number. */
420	typedef uint32_t RTDEV;
421	/** Pointer to a device unix number. */
422	typedef RTDEV *PRTDEV;
423
424	/** i-node number. */
425	typedef uint64_t RTINODE;
426	/** Pointer to a i-node number. */
427	typedef RTINODE *PRTINODE;
428
429	/** User id. */
430	typedef uint32_t RTUID;
431	/** Pointer to a user id. */
432	typedef RTUID *PRTUID;
433	/** NIL user id.
434	* @todo check this for portability! */
435	#define NIL_RTUID (~(RTUID)0);
436
437	/** Group id. */
438	typedef uint32_t RTGID;
439	/** Pointer to a group id. */
440	typedef RTGID *PRTGID;
441	/** NIL group id.
442	* @todo check this for portability! */
443	#define NIL_RTGID (~(RTGID)0);
444
445	/** I/O Port. */
446	typedef uint16_t RTIOPORT;
447	/** Pointer to I/O Port. */
448	typedef RTIOPORT *PRTIOPORT;
449	/** Pointer to const I/O Port. */
450	typedef const RTIOPORT *PCRTIOPORT;
451
452	/** Selector. */
453	typedef uint16_t RTSEL;
454	/** Pointer to selector. */
455	typedef RTSEL *PRTSEL;
456	/** Pointer to const selector. */
457	typedef const RTSEL *PCRTSEL;
458	/** Max selector value. */
459	#define RTSEL_MAX UINT16_MAX
460
461	/** Far 16-bit pointer. */
462	#pragma pack(1)
463	typedef struct RTFAR16
464	{
465	uint16_t off;
466	RTSEL sel;
467	} RTFAR16;
468	#pragma pack()
469	/** Pointer to Far 16-bit pointer. */
470	typedef RTFAR16 *PRTFAR16;
471	/** Pointer to const Far 16-bit pointer. */
472	typedef const RTFAR16 *PCRTFAR16;
473
474	/** Far 32-bit pointer. */
475	#pragma pack(1)
476	typedef struct RTFAR32
477	{
478	uint32_t off;
479	RTSEL sel;
480	} RTFAR32;
481	#pragma pack()
482	/** Pointer to Far 32-bit pointer. */
483	typedef RTFAR32 *PRTFAR32;
484	/** Pointer to const Far 32-bit pointer. */
485	typedef const RTFAR32 *PCRTFAR32;
486
487	/** Far 64-bit pointer. */
488	#pragma pack(1)
489	typedef struct RTFAR64
490	{
491	uint64_t off;
492	RTSEL sel;
493	} RTFAR64;
494	#pragma pack()
495	/** Pointer to Far 64-bit pointer. */
496	typedef RTFAR64 *PRTFAR64;
497	/** Pointer to const Far 64-bit pointer. */
498	typedef const RTFAR64 *PCRTFAR64;
499
500	/** @} */
501
502
503	/** @defgroup grp_rt_types_hc Host Context Basic Types
504	* @ingroup grp_rt_types
505	* @{
506	*/
507
508	/** HC Natural signed integer.
509	* @deprecated silly type. */
510	typedef int32_t RTHCINT;
511	/** Pointer to HC Natural signed integer.
512	* @deprecated silly type. */
513	typedef RTHCINT *PRTHCINT;
514	/** Pointer to const HC Natural signed integer.
515	* @deprecated silly type. */
516	typedef const RTHCINT *PCRTHCINT;
517
518	/** HC Natural unsigned integer.
519	* @deprecated silly type. */
520	typedef uint32_t RTHCUINT;
521	/** Pointer to HC Natural unsigned integer.
522	* @deprecated silly type. */
523	typedef RTHCUINT *PRTHCUINT;
524	/** Pointer to const HC Natural unsigned integer.
525	* @deprecated silly type. */
526	typedef const RTHCUINT *PCRTHCUINT;
527
528
529	/** Signed integer which can contain a HC pointer. */
530	#if HC_ARCH_BITS == 32
531	typedef int32_t RTHCINTPTR;
532	#elif HC_ARCH_BITS == 64
533	typedef int64_t RTHCINTPTR;
534	#else
535	# error Unsupported HC_ARCH_BITS value.
536	#endif
537	/** Pointer to signed integer which can contain a HC pointer. */
538	typedef RTHCINTPTR *PRTHCINTPTR;
539	/** Pointer to const signed integer which can contain a HC pointer. */
540	typedef const RTHCINTPTR *PCRTHCINTPTR;
541
542	/** Signed integer which can contain a HC ring-3 pointer. */
543	#if R3_ARCH_BITS == 32
544	typedef int32_t RTR3INTPTR;
545	#elif R3_ARCH_BITS == 64
546	typedef int64_t RTR3INTPTR;
547	#else
548	# error Unsupported R3_ARCH_BITS value.
549	#endif
550	/** Pointer to signed integer which can contain a HC ring-3 pointer. */
551	typedef RTR3INTPTR *PRTR3INTPTR;
552	/** Pointer to const signed integer which can contain a HC ring-3 pointer. */
553	typedef const RTR3INTPTR *PCRTR3INTPTR;
554
555	/** Signed integer which can contain a HC ring-0 pointer. */
556	#if R0_ARCH_BITS == 32
557	typedef int32_t RTR0INTPTR;
558	#elif R0_ARCH_BITS == 64
559	typedef int64_t RTR0INTPTR;
560	#else
561	# error Unsupported R0_ARCH_BITS value.
562	#endif
563	/** Pointer to signed integer which can contain a HC ring-0 pointer. */
564	typedef RTR0INTPTR *PRTR0INTPTR;
565	/** Pointer to const signed integer which can contain a HC ring-0 pointer. */
566	typedef const RTR0INTPTR *PCRTR0INTPTR;
567
568
569	/** Unsigned integer which can contain a HC pointer. */
570	#if HC_ARCH_BITS == 32
571	typedef uint32_t RTHCUINTPTR;
572	#elif HC_ARCH_BITS == 64
573	typedef uint64_t RTHCUINTPTR;
574	#else
575	# error Unsupported HC_ARCH_BITS value.
576	#endif
577	/** Pointer to unsigned integer which can contain a HC pointer. */
578	typedef RTHCUINTPTR *PRTHCUINTPTR;
579	/** Pointer to unsigned integer which can contain a HC pointer. */
580	typedef const RTHCUINTPTR *PCRTHCUINTPTR;
581
582	/** Unsigned integer which can contain a HC ring-3 pointer. */
583	#if R3_ARCH_BITS == 32
584	typedef uint32_t RTR3UINTPTR;
585	#elif R3_ARCH_BITS == 64
586	typedef uint64_t RTR3UINTPTR;
587	#else
588	# error Unsupported R3_ARCH_BITS value.
589	#endif
590	/** Pointer to unsigned integer which can contain a HC ring-3 pointer. */
591	typedef RTR3UINTPTR *PRTR3UINTPTR;
592	/** Pointer to unsigned integer which can contain a HC ring-3 pointer. */
593	typedef const RTR3UINTPTR *PCRTR3UINTPTR;
594
595	/** Unsigned integer which can contain a HC ring-0 pointer. */
596	#if R0_ARCH_BITS == 32
597	typedef uint32_t RTR0UINTPTR;
598	#elif R0_ARCH_BITS == 64
599	typedef uint64_t RTR0UINTPTR;
600	#else
601	# error Unsupported R0_ARCH_BITS value.
602	#endif
603	/** Pointer to unsigned integer which can contain a HC ring-0 pointer. */
604	typedef RTR0UINTPTR *PRTR0UINTPTR;
605	/** Pointer to unsigned integer which can contain a HC ring-0 pointer. */
606	typedef const RTR0UINTPTR *PCRTR0UINTPTR;
607
608
609	/** Host Physical Memory Address. */
610	typedef uint64_t RTHCPHYS;
611	/** Pointer to Host Physical Memory Address. */
612	typedef RTHCPHYS *PRTHCPHYS;
613	/** Pointer to const Host Physical Memory Address. */
614	typedef const RTHCPHYS *PCRTHCPHYS;
615	/** @def NIL_RTHCPHYS
616	* NIL HC Physical Address.
617	* NIL_RTHCPHYS is used to signal an invalid physical address, similar
618	* to the NULL pointer.
619	*/
620	#define NIL_RTHCPHYS ((RTHCPHYS)~0U) /** @todo change this to (~(VBOXHCPHYS)0) */
621
622
623	/** HC pointer. */
624	#ifndef IN_RC
625	typedef void * RTHCPTR;
626	#else
627	typedef RTHCUINTPTR RTHCPTR;
628	#endif
629	/** Pointer to HC pointer. */
630	typedef RTHCPTR *PRTHCPTR;
631	/** Pointer to const HC pointer. */
632	typedef const RTHCPTR *PCRTHCPTR;
633	/** @def NIL_RTHCPTR
634	* NIL HC pointer.
635	*/
636	#define NIL_RTHCPTR ((RTHCPTR)0)
637
638	/** HC ring-3 pointer. */
639	#ifdef IN_RING3
640	typedef void * RTR3PTR;
641	#else
642	typedef RTR3UINTPTR RTR3PTR;
643	#endif
644	/** Pointer to HC ring-3 pointer. */
645	typedef RTR3PTR *PRTR3PTR;
646	/** Pointer to const HC ring-3 pointer. */
647	typedef const RTR3PTR *PCRTR3PTR;
648	/** @def NIL_RTR3PTR
649	* NIL HC ring-3 pointer.
650	*/
651	#define NIL_RTR3PTR ((RTR3PTR)0)
652
653	/** HC ring-0 pointer. */
654	#ifdef IN_RING0
655	typedef void * RTR0PTR;
656	#else
657	typedef RTR0UINTPTR RTR0PTR;
658	#endif
659	/** Pointer to HC ring-0 pointer. */
660	typedef RTR0PTR *PRTR0PTR;
661	/** Pointer to const HC ring-0 pointer. */
662	typedef const RTR0PTR *PCRTR0PTR;
663	/** @def NIL_RTR0PTR
664	* NIL HC ring-0 pointer.
665	*/
666	#define NIL_RTR0PTR ((RTR0PTR)0)
667
668
669	/** Unsigned integer register in the host context. */
670	#if HC_ARCH_BITS == 32
671	typedef uint32_t RTHCUINTREG;
672	#elif HC_ARCH_BITS == 64
673	typedef uint64_t RTHCUINTREG;
674	#else
675	# error "Unsupported HC_ARCH_BITS!"
676	#endif
677	/** Pointer to an unsigned integer register in the host context. */
678	typedef RTHCUINTREG *PRTHCUINTREG;
679	/** Pointer to a const unsigned integer register in the host context. */
680	typedef const RTHCUINTREG *PCRTHCUINTREG;
681
682	/** Unsigned integer register in the host ring-3 context. */
683	#if R3_ARCH_BITS == 32
684	typedef uint32_t RTR3UINTREG;
685	#elif R3_ARCH_BITS == 64
686	typedef uint64_t RTR3UINTREG;
687	#else
688	# error "Unsupported R3_ARCH_BITS!"
689	#endif
690	/** Pointer to an unsigned integer register in the host ring-3 context. */
691	typedef RTR3UINTREG *PRTR3UINTREG;
692	/** Pointer to a const unsigned integer register in the host ring-3 context. */
693	typedef const RTR3UINTREG *PCRTR3UINTREG;
694
695	/** Unsigned integer register in the host ring-3 context. */
696	#if R0_ARCH_BITS == 32
697	typedef uint32_t RTR0UINTREG;
698	#elif R0_ARCH_BITS == 64
699	typedef uint64_t RTR0UINTREG;
700	#else
701	# error "Unsupported R3_ARCH_BITS!"
702	#endif
703	/** Pointer to an unsigned integer register in the host ring-3 context. */
704	typedef RTR0UINTREG *PRTR0UINTREG;
705	/** Pointer to a const unsigned integer register in the host ring-3 context. */
706	typedef const RTR0UINTREG *PCRTR0UINTREG;
707
708	/** @} */
709
710
711	/** @defgroup grp_rt_types_gc Guest Context Basic Types
712	* @ingroup grp_rt_types
713	* @{
714	*/
715
716	/** Natural signed integer in the GC.
717	* @deprecated silly type. */
718	#if GC_ARCH_BITS == 32
719	typedef int32_t RTGCINT;
720	#elif GC_ARCH_BITS == 64 /** @todo this isn't right, natural int is 32-bit, see RTHCINT. */
721	typedef int64_t RTGCINT;
722	#endif
723	/** Pointer to natural signed integer in GC.
724	* @deprecated silly type. */
725	typedef RTGCINT *PRTGCINT;
726	/** Pointer to const natural signed integer in GC.
727	* @deprecated silly type. */
728	typedef const RTGCINT *PCRTGCINT;
729
730	/** Natural unsigned integer in the GC.
731	* @deprecated silly type. */
732	#if GC_ARCH_BITS == 32
733	typedef uint32_t RTGCUINT;
734	#elif GC_ARCH_BITS == 64 /** @todo this isn't right, natural int is 32-bit, see RTHCUINT. */
735	typedef uint64_t RTGCUINT;
736	#endif
737	/** Pointer to natural unsigned integer in GC.
738	* @deprecated silly type. */
739	typedef RTGCUINT *PRTGCUINT;
740	/** Pointer to const natural unsigned integer in GC.
741	* @deprecated silly type. */
742	typedef const RTGCUINT *PCRTGCUINT;
743
744	/** Signed integer which can contain a GC pointer. */
745	#if GC_ARCH_BITS == 32
746	typedef int32_t RTGCINTPTR;
747	#elif GC_ARCH_BITS == 64
748	typedef int64_t RTGCINTPTR;
749	#endif
750	/** Pointer to signed integer which can contain a GC pointer. */
751	typedef RTGCINTPTR *PRTGCINTPTR;
752	/** Pointer to const signed integer which can contain a GC pointer. */
753	typedef const RTGCINTPTR *PCRTGCINTPTR;
754
755	/** Unsigned integer which can contain a GC pointer. */
756	#if GC_ARCH_BITS == 32
757	typedef uint32_t RTGCUINTPTR;
758	#elif GC_ARCH_BITS == 64
759	typedef uint64_t RTGCUINTPTR;
760	#else
761	# error Unsupported GC_ARCH_BITS value.
762	#endif
763	/** Pointer to unsigned integer which can contain a GC pointer. */
764	typedef RTGCUINTPTR *PRTGCUINTPTR;
765	/** Pointer to unsigned integer which can contain a GC pointer. */
766	typedef const RTGCUINTPTR *PCRTGCUINTPTR;
767
768	/** Unsigned integer which can contain a 32 bits GC pointer. */
769	typedef uint32_t RTGCUINTPTR32;
770	/** Pointer to unsigned integer which can contain a 32 bits GC pointer. */
771	typedef RTGCUINTPTR32 *PRTGCUINTPTR32;
772	/** Pointer to unsigned integer which can contain a 32 bits GC pointer. */
773	typedef const RTGCUINTPTR32 *PCRTGCUINTPTR32;
774
775	/** Unsigned integer which can contain a 64 bits GC pointer. */
776	typedef uint64_t RTGCUINTPTR64;
777	/** Pointer to unsigned integer which can contain a 32 bits GC pointer. */
778	typedef RTGCUINTPTR64 *PRTGCUINTPTR64;
779	/** Pointer to unsigned integer which can contain a 32 bits GC pointer. */
780	typedef const RTGCUINTPTR64 *PCRTGCUINTPTR64;
781
782	/** Guest Physical Memory Address.*/
783	typedef uint64_t RTGCPHYS;
784	/** Pointer to Guest Physical Memory Address. */
785	typedef RTGCPHYS *PRTGCPHYS;
786	/** Pointer to const Guest Physical Memory Address. */
787	typedef const RTGCPHYS *PCRTGCPHYS;
788	/** @def NIL_RTGCPHYS
789	* NIL GC Physical Address.
790	* NIL_RTGCPHYS is used to signal an invalid physical address, similar
791	* to the NULL pointer. Note that this value may actually be valid in
792	* some contexts.
793	*/
794	#define NIL_RTGCPHYS (~(RTGCPHYS)0U)
795
796
797	/** Guest Physical Memory Address; limited to 32 bits.*/
798	typedef uint32_t RTGCPHYS32;
799	/** Pointer to Guest Physical Memory Address. */
800	typedef RTGCPHYS32 *PRTGCPHYS32;
801	/** Pointer to const Guest Physical Memory Address. */
802	typedef const RTGCPHYS32 *PCRTGCPHYS32;
803	/** @def NIL_RTGCPHYS32
804	* NIL GC Physical Address.
805	* NIL_RTGCPHYS32 is used to signal an invalid physical address, similar
806	* to the NULL pointer. Note that this value may actually be valid in
807	* some contexts.
808	*/
809	#define NIL_RTGCPHYS32 (~(RTGCPHYS32)0)
810
811
812	/** Guest Physical Memory Address; limited to 64 bits.*/
813	typedef uint64_t RTGCPHYS64;
814	/** Pointer to Guest Physical Memory Address. */
815	typedef RTGCPHYS64 *PRTGCPHYS64;
816	/** Pointer to const Guest Physical Memory Address. */
817	typedef const RTGCPHYS64 *PCRTGCPHYS64;
818	/** @def NIL_RTGCPHYS64
819	* NIL GC Physical Address.
820	* NIL_RTGCPHYS64 is used to signal an invalid physical address, similar
821	* to the NULL pointer. Note that this value may actually be valid in
822	* some contexts.
823	*/
824	#define NIL_RTGCPHYS64 (~(RTGCPHYS64)0)
825
826	/** Guest context pointer, 32 bits.
827	* Keep in mind that this type is an unsigned integer in
828	* HC and void pointer in GC.
829	*/
830	typedef RTGCUINTPTR32 RTGCPTR32;
831	/** Pointer to a guest context pointer. */
832	typedef RTGCPTR32 *PRTGCPTR32;
833	/** Pointer to a const guest context pointer. */
834	typedef const RTGCPTR32 *PCRTGCPTR32;
835	/** @def NIL_RTGCPTR32
836	* NIL GC pointer.
837	*/
838	#define NIL_RTGCPTR32 ((RTGCPTR32)0)
839
840	/** Guest context pointer, 64 bits.
841	*/
842	typedef RTGCUINTPTR64 RTGCPTR64;
843	/** Pointer to a guest context pointer. */
844	typedef RTGCPTR64 *PRTGCPTR64;
845	/** Pointer to a const guest context pointer. */
846	typedef const RTGCPTR64 *PCRTGCPTR64;
847	/** @def NIL_RTGCPTR64
848	* NIL GC pointer.
849	*/
850	#define NIL_RTGCPTR64 ((RTGCPTR64)0)
851
852	/** Guest context pointer.
853	* Keep in mind that this type is an unsigned integer in
854	* HC and void pointer in GC.
855	*/
856	#if GC_ARCH_BITS == 64
857	typedef RTGCPTR64 RTGCPTR;
858	/** Pointer to a guest context pointer. */
859	typedef PRTGCPTR64 PRTGCPTR;
860	/** Pointer to a const guest context pointer. */
861	typedef PCRTGCPTR64 PCRTGCPTR;
862	/** @def NIL_RTGCPTR
863	* NIL GC pointer.
864	*/
865	#define NIL_RTGCPTR NIL_RTGCPTR64
866	#elif GC_ARCH_BITS == 32
867	typedef RTGCPTR32 RTGCPTR;
868	/** Pointer to a guest context pointer. */
869	typedef PRTGCPTR32 PRTGCPTR;
870	/** Pointer to a const guest context pointer. */
871	typedef PCRTGCPTR32 PCRTGCPTR;
872	/** @def NIL_RTGCPTR
873	* NIL GC pointer.
874	*/
875	#define NIL_RTGCPTR NIL_RTGCPTR32
876	#else
877	# error "Unsupported GC_ARCH_BITS!"
878	#endif
879
880	/** Unsigned integer register in the guest context. */
881	typedef uint32_t RTGCUINTREG32;
882	/** Pointer to an unsigned integer register in the guest context. */
883	typedef RTGCUINTREG32 *PRTGCUINTREG32;
884	/** Pointer to a const unsigned integer register in the guest context. */
885	typedef const RTGCUINTREG32 *PCRTGCUINTREG32;
886
887	typedef uint64_t RTGCUINTREG64;
888	/** Pointer to an unsigned integer register in the guest context. */
889	typedef RTGCUINTREG64 *PRTGCUINTREG64;
890	/** Pointer to a const unsigned integer register in the guest context. */
891	typedef const RTGCUINTREG64 *PCRTGCUINTREG64;
892
893	#if GC_ARCH_BITS == 64
894	typedef RTGCUINTREG64 RTGCUINTREG;
895	#elif GC_ARCH_BITS == 32
896	typedef RTGCUINTREG32 RTGCUINTREG;
897	#else
898	# error "Unsupported GC_ARCH_BITS!"
899	#endif
900	/** Pointer to an unsigned integer register in the guest context. */
901	typedef RTGCUINTREG *PRTGCUINTREG;
902	/** Pointer to a const unsigned integer register in the guest context. */
903	typedef const RTGCUINTREG *PCRTGCUINTREG;
904
905	/** @} */
906
907	/** @defgroup grp_rt_types_rc Raw mode Context Basic Types
908	* @ingroup grp_rt_types
909	* @{
910	*/
911
912	/** Raw mode context pointer; a 32 bits guest context pointer.
913	* Keep in mind that this type is an unsigned integer in
914	* HC and void pointer in RC.
915	*/
916	#ifdef IN_RC
917	typedef void * RTRCPTR;
918	#else
919	typedef uint32_t RTRCPTR;
920	#endif
921	/** Pointer to a raw mode context pointer. */
922	typedef RTRCPTR *PRTRCPTR;
923	/** Pointer to a const raw mode context pointer. */
924	typedef const RTRCPTR *PCRTRCPTR;
925	/** @def NIL_RTGCPTR
926	* NIL RC pointer.
927	*/
928	#define NIL_RTRCPTR ((RTRCPTR)0)
929	/** @def RTRCPTR_MAX
930	* The maximum value a RTRCPTR can have. Mostly used as INVALID value.
931	*/
932	#define RTRCPTR_MAX ((RTRCPTR)UINT32_MAX)
933
934	/** Raw mode context pointer, unsigned integer variant. */
935	typedef int32_t RTRCINTPTR;
936	/** @def RTRCUINPTR_MAX
937	* The maximum value a RTRCUINPTR can have.
938	*/
939	#define RTRCUINTPTR_MAX ((RTRCUINTPTR)UINT32_MAX)
940
941	/** Raw mode context pointer, signed integer variant. */
942	typedef uint32_t RTRCUINTPTR;
943	/** @def RTRCINPTR_MIN
944	* The minimum value a RTRCINPTR can have.
945	*/
946	#define RTRCINTPTR_MIN ((RTRCINTPTR)INT32_MIN)
947	/** @def RTRCINPTR_MAX
948	* The maximum value a RTRCINPTR can have.
949	*/
950	#define RTRCINTPTR_MAX ((RTRCINTPTR)INT32_MAX)
951
952	/** @} */
953
954
955	/** @defgroup grp_rt_types_cc Current Context Basic Types
956	* @ingroup grp_rt_types
957	* @{
958	*/
959
960	/** Current Context Physical Memory Address.*/
961	#ifdef IN_RC
962	typedef RTGCPHYS RTCCPHYS;
963	#else
964	typedef RTHCPHYS RTCCPHYS;
965	#endif
966	/** Pointer to Current Context Physical Memory Address. */
967	typedef RTCCPHYS *PRTCCPHYS;
968	/** Pointer to const Current Context Physical Memory Address. */
969	typedef const RTCCPHYS *PCRTCCPHYS;
970	/** @def NIL_RTCCPHYS
971	* NIL CC Physical Address.
972	* NIL_RTCCPHYS is used to signal an invalid physical address, similar
973	* to the NULL pointer.
974	*/
975	#ifdef IN_RC
976	# define NIL_RTCCPHYS NIL_RTGCPHYS
977	#else
978	# define NIL_RTCCPHYS NIL_RTHCPHYS
979	#endif
980
981	/** Unsigned integer register in the current 32 bits context. */
982	typedef uint32_t RTCCUINTREG32;
983	/** Pointer to an unsigned integer register in the current context. */
984	typedef RTCCUINTREG32 *PRTCCUINTREG32;
985	/** Pointer to a const unsigned integer register in the current context. */
986	typedef const RTCCUINTREG32 *PCRTCCUINTREG32;
987
988	/** Unsigned integer register in the current 64 bits context. */
989	typedef uint64_t RTCCUINTREG64;
990	/** Pointer to an unsigned integer register in the current context. */
991	typedef RTCCUINTREG64 *PRTCCUINTREG64;
992	/** Pointer to a const unsigned integer register in the current context. */
993	typedef const RTCCUINTREG64 *PCRTCCUINTREG64;
994
995	/** Unsigned integer register in the current context. */
996	#if ARCH_BITS == 32
997	typedef RTCCUINTREG32 RTCCUINTREG;
998	/** Pointer to an unsigned integer register in the current context. */
999	typedef PRTCCUINTREG32 PRTCCUINTREG;
1000	/** Pointer to a const unsigned integer register in the current context. */
1001	typedef PCRTCCUINTREG32 PCRTCCUINTREG;
1002	#elif ARCH_BITS == 64
1003	typedef RTCCUINTREG64 RTCCUINTREG;
1004	/** Pointer to an unsigned integer register in the current context. */
1005	typedef PRTCCUINTREG64 PRTCCUINTREG;
1006	/** Pointer to a const unsigned integer register in the current context. */
1007	typedef PCRTCCUINTREG64 PCRTCCUINTREG;
1008	#else
1009	# error "Unsupported ARCH_BITS!"
1010	#endif
1011
1012	/** @} */
1013
1014
1015	/** File handle. */
1016	typedef RTUINT RTFILE;
1017	/** Pointer to file handle. */
1018	typedef RTFILE *PRTFILE;
1019	/** Nil file handle. */
1020	#define NIL_RTFILE (~(RTFILE)0)
1021
1022	/** Loader module handle. */
1023	typedef R3PTRTYPE(struct RTLDRMODINTERNAL *) RTLDRMOD;
1024	/** Pointer to a loader module handle. */
1025	typedef RTLDRMOD *PRTLDRMOD;
1026	/** Nil loader module handle. */
1027	#define NIL_RTLDRMOD 0
1028
1029	/** Ring-0 memory object handle. */
1030	typedef R0PTRTYPE(struct RTR0MEMOBJINTERNAL *) RTR0MEMOBJ;
1031	/** Pointer to a Ring-0 memory object handle. */
1032	typedef RTR0MEMOBJ *PRTR0MEMOBJ;
1033	/** Nil ring-0 memory object handle. */
1034	#define NIL_RTR0MEMOBJ 0
1035
1036	/** Native thread handle. */
1037	typedef RTHCUINTPTR RTNATIVETHREAD;
1038	/** Pointer to an native thread handle. */
1039	typedef RTNATIVETHREAD *PRTNATIVETHREAD;
1040	/** Nil native thread handle. */
1041	#define NIL_RTNATIVETHREAD (~(RTNATIVETHREAD)0)
1042
1043	/** Process identifier. */
1044	typedef uint32_t RTPROCESS;
1045	/** Pointer to a process identifier. */
1046	typedef RTPROCESS *PRTPROCESS;
1047	/** Nil process identifier. */
1048	#define NIL_RTPROCESS (~(RTPROCESS)0)
1049
1050	/** Process ring-0 handle. */
1051	typedef RTR0UINTPTR RTR0PROCESS;
1052	/** Pointer to a ring-0 process handle. */
1053	typedef RTR0PROCESS *PRTR0PROCESS;
1054	/** Nil ring-0 process handle. */
1055	#define NIL_RTR0PROCESS (~(RTR0PROCESS)0)
1056
1057	/** @typedef RTSEMEVENT
1058	* Event Semaphore handle. */
1059	typedef R3R0PTRTYPE(struct RTSEMEVENTINTERNAL *) RTSEMEVENT;
1060	/** Pointer to an event semaphore handle. */
1061	typedef RTSEMEVENT *PRTSEMEVENT;
1062	/** Nil event semaphore handle. */
1063	#define NIL_RTSEMEVENT 0
1064
1065	/** @typedef RTSEMEVENTMULTI
1066	* Event Multiple Release Semaphore handle. */
1067	typedef R3R0PTRTYPE(struct RTSEMEVENTMULTIINTERNAL *) RTSEMEVENTMULTI;
1068	/** Pointer to an event multiple release semaphore handle. */
1069	typedef RTSEMEVENTMULTI *PRTSEMEVENTMULTI;
1070	/** Nil multiple release event semaphore handle. */
1071	#define NIL_RTSEMEVENTMULTI 0
1072
1073	/** @typedef RTSEMFASTMUTEX
1074	* Fast mutex Semaphore handle. */
1075	typedef R3R0PTRTYPE(struct RTSEMFASTMUTEXINTERNAL *) RTSEMFASTMUTEX;
1076	/** Pointer to a mutex semaphore handle. */
1077	typedef RTSEMFASTMUTEX *PRTSEMFASTMUTEX;
1078	/** Nil fast mutex semaphore handle. */
1079	#define NIL_RTSEMFASTMUTEX 0
1080
1081	/** @typedef RTSEMMUTEX
1082	* Mutex Semaphore handle. */
1083	typedef R3R0PTRTYPE(struct RTSEMMUTEXINTERNAL *) RTSEMMUTEX;
1084	/** Pointer to a mutex semaphore handle. */
1085	typedef RTSEMMUTEX *PRTSEMMUTEX;
1086	/** Nil mutex semaphore handle. */
1087	#define NIL_RTSEMMUTEX 0
1088
1089	/** @typedef RTSEMRW
1090	* Read/Write Semaphore handle. */
1091	typedef R3R0PTRTYPE(struct RTSEMRWINTERNAL *) RTSEMRW;
1092	/** Pointer to a read/write semaphore handle. */
1093	typedef RTSEMRW *PRTSEMRW;
1094	/** Nil read/write semaphore handle. */
1095	#define NIL_RTSEMRW 0
1096
1097	/** Spinlock handle. */
1098	typedef R3R0PTRTYPE(struct RTSPINLOCKINTERNAL *) RTSPINLOCK;
1099	/** Pointer to a spinlock handle. */
1100	typedef RTSPINLOCK *PRTSPINLOCK;
1101	/** Nil spinlock handle. */
1102	#define NIL_RTSPINLOCK 0
1103
1104	/** Socket handle. */
1105	typedef int RTSOCKET;
1106	/** Pointer to socket handle. */
1107	typedef RTSOCKET *PRTSOCKET;
1108	/** Nil socket handle. */
1109	#define NIL_RTSOCKET (~(RTSOCKET)0)
1110
1111	/** Thread handle.*/
1112	typedef R3R0PTRTYPE(struct RTTHREADINT *) RTTHREAD;
1113	/** Pointer to thread handle. */
1114	typedef RTTHREAD *PRTTHREAD;
1115	/** Nil thread handle. */
1116	#define NIL_RTTHREAD 0
1117
1118	/** A TLS index. */
1119	typedef int RTTLS;
1120	/** Pointer to a TLS index. */
1121	typedef RTTLS *PRTTLS;
1122	/** Pointer to a const TLS index. */
1123	typedef RTTLS const *PCRTTLS;
1124	/** NIL TLS index value. */
1125	#define NIL_RTTLS (-1)
1126
1127	/** Handle to a simple heap. */
1128	typedef R3R0PTRTYPE(struct RTHEAPSIMPLEINTERNAL *) RTHEAPSIMPLE;
1129	/** Pointer to a handle to a simple heap. */
1130	typedef RTHEAPSIMPLE *PRTHEAPSIMPLE;
1131	/** NIL simple heap handle. */
1132	#define NIL_RTHEAPSIMPLE ((RTHEAPSIMPLE)0)
1133
1134	/** Handle to an environment block. */
1135	typedef R3PTRTYPE(struct RTENVINTERNAL *) RTENV;
1136	/** Pointer to a handle to an environment block. */
1137	typedef RTENV *PRTENV;
1138	/** NIL simple heap handle. */
1139	#define NIL_RTENV ((RTENV)0)
1140
1141	/** A CPU identifier.
1142	* @remarks This doesn't have to correspond to the APIC ID (intel/amd). Nor
1143	* does it have to correspond to the bits in the affinity mask, at
1144	* least not until we've sorted out Windows NT. */
1145	typedef RTHCUINTPTR RTCPUID;
1146	/** Pointer to a CPU identifier. */
1147	typedef RTCPUID *PRTCPUID;
1148	/** Pointer to a const CPU identifier. */
1149	typedef RTCPUID const *PCRTCPUID;
1150	/** Nil CPU Id. */
1151	#define NIL_RTCPUID ((RTCPUID)~0)
1152
1153	/** A CPU set.
1154	* Treat this as an opaque type and always use RTCpuSet* for manupulating it. */
1155	typedef uint64_t RTCPUSET;
1156	/** Pointer to a CPU set. */
1157	typedef RTCPUSET *PRTCPUSET;
1158	/** Pointer to a const CPU set. */
1159	typedef RTCPUSET const *PCRTCPUSET;
1160
1161	/** A handle table handle. */
1162	typedef struct RTHANDLETABLEINT *RTHANDLETABLE;
1163	/** A pointer to a handle table handle. */
1164	typedef RTHANDLETABLE *PRTHANDLETABLE;
1165	/** @def NIL_RTHANDLETABLE
1166	* NIL handle table handle. */
1167	#define NIL_RTHANDLETABLE ((RTHANDLETABLE)0)
1168
1169	/** A handle to a low resolution timer. */
1170	typedef struct RTTIMERLRINT *RTTIMERLR;
1171	/** A pointer to a low resolution timer handle. */
1172	typedef RTTIMERLR *PRTTIMERLR;
1173	/** @def NIL_RTTIMERLR
1174	* NIL low resolution timer handle value. */
1175	#define NIL_RTTIMERLR ((RTTIMERLR)0)
1176
1177	/** Handle to a random number generator. */
1178	typedef struct RTRANDINT *RTRAND;
1179	/** Pointer to a random number generator handle. */
1180	typedef RTRAND *PRTRAND;
1181	/** NIL random number genrator handle value. */
1182	#define NIL_RTRAND ((RTRAND)0)
1183
1184
1185	/**
1186	* UUID data type.
1187	*
1188	* @note IPRT defines that the first three integers in the @c Gen struct
1189	* interpretation are in little endian representation. This is different to
1190	* many other UUID implementation, and requires conversion if you need to
1191	* achieve consistent results.
1192	*/
1193	typedef union RTUUID
1194	{
1195	/** 8-bit view. */
1196	uint8_t au8[16];
1197	/** 16-bit view. */
1198	uint16_t au16[8];
1199	/** 32-bit view. */
1200	uint32_t au32[4];
1201	/** 64-bit view. */
1202	uint64_t au64[2];
1203	/** The way the UUID is declared by the DCE specification. */
1204	struct
1205	{
1206	uint32_t u32TimeLow;
1207	uint16_t u16TimeMid;
1208	uint16_t u16TimeHiAndVersion;
1209	uint8_t u8ClockSeqHiAndReserved;
1210	uint8_t u8ClockSeqLow;
1211	uint8_t au8Node[6];
1212	} Gen;
1213	} RTUUID;
1214	/** Pointer to UUID data. */
1215	typedef RTUUID *PRTUUID;
1216	/** Pointer to readonly UUID data. */
1217	typedef const RTUUID *PCRTUUID;
1218
1219	/**
1220	* UUID string maximum length.
1221	*/
1222	#define RTUUID_STR_LENGTH 37
1223
1224
1225	/** Compression handle. */
1226	typedef struct RTZIPCOMP *PRTZIPCOMP;
1227
1228	/** Decompressor handle. */
1229	typedef struct RTZIPDECOMP *PRTZIPDECOMP;
1230
1231
1232	/**
1233	* Unicode Code Point.
1234	*/
1235	typedef uint32_t RTUNICP;
1236	/** Pointer to an Unicode Code Point. */
1237	typedef RTUNICP *PRTUNICP;
1238	/** Pointer to an Unicode Code Point. */
1239	typedef const RTUNICP *PCRTUNICP;
1240
1241
1242	/**
1243	* UTF-16 character.
1244	* @remark wchar_t is not usable since it's compiler defined.
1245	* @remark When we use the term character we're not talking about unicode code point, but
1246	* the basic unit of the string encoding. Thus cwc - count of wide chars - means
1247	* count of RTUTF16; cuc - count of unicode chars - means count of RTUNICP;
1248	* and cch means count of the typedef 'char', which is assumed to be an octet.
1249	*/
1250	typedef uint16_t RTUTF16;
1251	/** Pointer to a UTF-16 character. */
1252	typedef RTUTF16 *PRTUTF16;
1253	/** Pointer to a const UTF-16 character. */
1254	typedef const RTUTF16 *PCRTUTF16;
1255
1256
1257	/**
1258	* Wait for ever if we have to.
1259	*/
1260	#define RT_INDEFINITE_WAIT (~0U)
1261
1262
1263	/**
1264	* Generic process callback.
1265	*
1266	* @returns VBox status code. Failure will cancel the operation.
1267	* @param uPercentage The percentage of the operation which has been completed.
1268	* @param pvUser The user specified argument.
1269	*/
1270	typedef DECLCALLBACK(int) FNRTPROGRESS(unsigned uPrecentage, void *pvUser);
1271	/** Pointer to a generic progress callback function, FNRTPROCESS(). */
1272	typedef FNRTPROGRESS *PFNRTPROGRESS;
1273
1274
1275	/**
1276	* Rectangle data type.
1277	*/
1278	typedef struct RTRECT
1279	{
1280	/** left X coordinate. */
1281	int32_t xLeft;
1282	/** top Y coordinate. */
1283	int32_t yTop;
1284	/** right X coordinate. (exclusive) */
1285	int32_t xRight;
1286	/** bottom Y coordinate. (exclusive) */
1287	int32_t yBottom;
1288	} RTRECT;
1289	/** Pointer to a rectangle. */
1290	typedef RTRECT *PRTRECT;
1291	/** Pointer to a const rectangle. */
1292	typedef const RTRECT *PCRTRECT;
1293
1294
1295	/**
1296	* Ethernet MAC address.
1297	*
1298	* The first 24 bits make up the Organisationally Unique Identifier (OUI),
1299	* where the first bit (little endian) indicates multicast (set) / unicast,
1300	* and the second bit indicates locally (set) / global administered. If all
1301	* bits are set, it's a broadcast.
1302	*/
1303	typedef union RTMAC
1304	{
1305	/** @todo add a bitfield view of this stuff. */
1306	/** 8-bit view. */
1307	uint8_t au8[6];
1308	/** 16-bit view. */
1309	uint16_t au16[3];
1310	} RTMAC;
1311	/** Pointer to a MAC address. */
1312	typedef RTMAC *PRTMAC;
1313	/** Pointer to a readonly MAC address. */
1314	typedef const RTMAC *PCRTMAC;
1315
1316	/** @} */
1317
1318	#endif
1319

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