1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
|
/* BSDI osd_util.h,v 1.8 1998/06/03 19:14:58 karels Exp */
/*
* Copyright (c) 1996-1999 Distributed Processing Technology Corporation
* All rights reserved.
*
* Redistribution and use in source form, with or without modification, are
* permitted provided that redistributions of source code must retain the
* above copyright notice, this list of conditions and the following disclaimer.
*
* This software is provided `as is' by Distributed Processing Technology and
* any express or implied warranties, including, but not limited to, the
* implied warranties of merchantability and fitness for a particular purpose,
* are disclaimed. In no event shall Distributed Processing Technology be
* liable for any direct, indirect, incidental, special, exemplary or
* consequential damages (including, but not limited to, procurement of
* substitute goods or services; loss of use, data, or profits; or business
* interruptions) however caused and on any theory of liability, whether in
* contract, strict liability, or tort (including negligence or otherwise)
* arising in any way out of the use of this driver software, even if advised
* of the possibility of such damage.
*
*/
#ifndef __OSD_UTIL_H
#define __OSD_UTIL_H
/*File - OSD_UTIL.H
****************************************************************************
*
*Description:
*
* This file contains defines and function prototypes that are
*operating system dependent. The resources defined in this file
*are not specific to any particular application.
*
*Copyright Distributed Processing Technology, Corp.
* 140 Candace Dr.
* Maitland, Fl. 32751 USA
* Phone: (407) 830-5522 Fax: (407) 260-5366
* All Rights Reserved
*
*Author: Doug Anderson
*Date: 1/7/94
*
*Editors:
*
*Remarks:
*
*
*****************************************************************************/
/*Definitions - Defines & Constants ----------------------------------------- */
/*----------------------------- */
/* Operating system selections: */
/*----------------------------- */
/*#define _DPT_MSDOS */
/*#define _DPT_WIN_3X */
/*#define _DPT_WIN_4X */
/*#define _DPT_WIN_NT */
/*#define _DPT_NETWARE */
/*#define _DPT_OS2 */
/*#define _DPT_SCO */
/*#define _DPT_UNIXWARE */
/*#define _DPT_SOLARIS */
/*#define _DPT_NEXTSTEP */
/*#define _DPT_BANYAN */
/*-------------------------------- */
/* Include the OS specific defines */
/*-------------------------------- */
/*#define OS_SELECTION From Above List */
/*#define SEMAPHORE_T ??? */
/*#define DLL_HANDLE_T ??? */
#if (defined(KERNEL) && (defined(__FreeBSD__) || defined(__bsdi__)))
# include "i386/isa/dpt_osd_defs.h"
#else
# include "osd_defs.h"
#endif
#ifndef DPT_UNALIGNED
#define DPT_UNALIGNED
#endif
#ifndef DPT_EXPORT
#define DPT_EXPORT
#endif
#ifndef DPT_IMPORT
#define DPT_IMPORT
#endif
#ifndef DPT_RUNTIME_IMPORT
#define DPT_RUNTIME_IMPORT DPT_IMPORT
#endif
/*--------------------- */
/* OS dependent defines */
/*--------------------- */
#if defined (_DPT_MSDOS) || defined (_DPT_WIN_3X)
#define _DPT_16_BIT
#else
#define _DPT_32_BIT
#endif
#if defined (_DPT_SCO) || defined (_DPT_UNIXWARE) || defined (_DPT_SOLARIS) || defined (_DPT_AIX) || defined (SNI_MIPS) || defined (_DPT_BSDI) || defined (_DPT_FREE_BSD) || defined(_DPT_LINUX)
#define _DPT_UNIX
#endif
#if defined (_DPT_WIN_3x) || defined (_DPT_WIN_4X) || defined (_DPT_WIN_NT) \
|| defined (_DPT_OS2)
#define _DPT_DLL_SUPPORT
#endif
#if !defined (_DPT_MSDOS) && !defined (_DPT_WIN_3X) && !defined (_DPT_NETWARE)
#define _DPT_PREEMPTIVE
#endif
#if !defined (_DPT_MSDOS) && !defined (_DPT_WIN_3X)
#define _DPT_MULTI_THREADED
#endif
#if !defined (_DPT_MSDOS)
#define _DPT_MULTI_TASKING
#endif
/* These exist for platforms that */
/* chunk when accessing mis-aligned */
/* data */
#if defined (SNI_MIPS) || defined (_DPT_SOLARIS)
#if defined (_DPT_BIG_ENDIAN)
#if !defined (_DPT_STRICT_ALIGN)
#define _DPT_STRICT_ALIGN
#endif
#endif
#endif
/* Determine if in C or C++ mode */
#ifdef __cplusplus
#define _DPT_CPP
#else
#define _DPT_C
#endif
/*-------------------------------------------------------------------*/
/* Under Solaris the compiler refuses to accept code like: */
/* { {"DPT"}, 0, NULL .... }, */
/* and complains about the {"DPT"} part by saying "cannot use { } */
/* to initialize char*". */
/* */
/* By defining these ugly macros we can get around this and also */
/* not have to copy and #ifdef large sections of code. I know that */
/* these macros are *really* ugly, but they should help reduce */
/* maintenance in the long run. */
/* */
/*-------------------------------------------------------------------*/
#if !defined (DPTSQO)
#if defined (_DPT_SOLARIS)
#define DPTSQO
#define DPTSQC
#else
#define DPTSQO {
#define DPTSQC }
#endif /* solaris */
#endif /* DPTSQO */
/*---------------------- */
/* OS dependent typedefs */
/*---------------------- */
#if defined (_DPT_MSDOS) || defined (_DPT_SCO)
#define BYTE unsigned char
#define WORD unsigned short
#endif
#ifndef _DPT_TYPEDEFS
#define _DPT_TYPEDEFS
typedef unsigned char uCHAR;
typedef unsigned short uSHORT;
typedef unsigned int uINT;
typedef unsigned long uLONG;
typedef union {
uCHAR u8[4];
uSHORT u16[2];
uLONG u32;
} access_U;
#endif
#if !defined (NULL)
#define NULL 0
#endif
/*Prototypes - function ----------------------------------------------------- */
#ifdef __cplusplus
extern "C" { /* Declare all these functions as "C" functions */
#endif
/*------------------------ */
/* Byte reversal functions */
/*------------------------ */
/* Reverses the byte ordering of a 2 byte variable */
#if (!defined(osdSwap2))
uSHORT osdSwap2(DPT_UNALIGNED uSHORT *);
#endif // !osdSwap2
/* Reverses the byte ordering of a 4 byte variable and shifts left 8 bits */
#if (!defined(osdSwap3))
uLONG osdSwap3(DPT_UNALIGNED uLONG *);
#endif // !osdSwap3
#ifdef _DPT_NETWARE
#include "novpass.h" /* For DPT_Bswapl() prototype */
/* Inline the byte swap */
#ifdef __cplusplus
inline uLONG osdSwap4(uLONG *inLong) {
return *inLong = DPT_Bswapl(*inLong);
}
#else
#define osdSwap4(inLong) DPT_Bswapl(inLong)
#endif // cplusplus
#else
/* Reverses the byte ordering of a 4 byte variable */
# if (!defined(osdSwap4))
uLONG osdSwap4(DPT_UNALIGNED uLONG *);
# endif // !osdSwap4
/* The following functions ALWAYS swap regardless of the *
* presence of DPT_BIG_ENDIAN */
uSHORT trueSwap2(DPT_UNALIGNED uSHORT *);
uLONG trueSwap4(DPT_UNALIGNED uLONG *);
#endif // netware
/*-------------------------------------*
* Network order swap functions *
* *
* These functions/macros will be used *
* by the structure insert()/extract() *
* functions. *
*
* We will enclose all structure *
* portability modifications inside *
* #ifdefs. When we are ready, we *
* will #define DPT_PORTABLE to begin *
* using the modifications. *
*-------------------------------------*/
uLONG netSwap4(uLONG val);
#if defined (_DPT_BIG_ENDIAN)
// for big-endian we need to swap
#ifndef NET_SWAP_2
#define NET_SWAP_2(x) (((x) >> 8) | ((x) << 8))
#endif // NET_SWAP_2
#ifndef NET_SWAP_4
#define NET_SWAP_4(x) netSwap4((x))
#endif // NET_SWAP_4
#else
// for little-endian we don't need to do anything
#ifndef NET_SWAP_2
#define NET_SWAP_2(x) (x)
#endif // NET_SWAP_2
#ifndef NET_SWAP_4
#define NET_SWAP_4(x) (x)
#endif // NET_SWAP_4
#endif // big endian
/*----------------------------------- */
/* Run-time loadable module functions */
/*----------------------------------- */
/* Loads the specified run-time loadable DLL */
DLL_HANDLE_T osdLoadModule(uCHAR *);
/* Unloads the specified run-time loadable DLL */
uSHORT osdUnloadModule(DLL_HANDLE_T);
/* Returns a pointer to a function inside a run-time loadable DLL */
void * osdGetFnAddr(DLL_HANDLE_T,uCHAR *);
/*--------------------------------------- */
/* Mutually exclusive semaphore functions */
/*--------------------------------------- */
/* Create a named semaphore */
SEMAPHORE_T osdCreateNamedSemaphore(char *);
/* Create a mutually exlusive semaphore */
SEMAPHORE_T osdCreateSemaphore(void);
/* create an event semaphore */
SEMAPHORE_T osdCreateEventSemaphore(void);
/* create a named event semaphore */
SEMAPHORE_T osdCreateNamedEventSemaphore(char *);
/* Destroy the specified mutually exclusive semaphore object */
uSHORT osdDestroySemaphore(SEMAPHORE_T);
/* Request access to the specified mutually exclusive semaphore */
uLONG osdRequestSemaphore(SEMAPHORE_T,uLONG);
/* Release access to the specified mutually exclusive semaphore */
uSHORT osdReleaseSemaphore(SEMAPHORE_T);
/* wait for a event to happen */
uLONG osdWaitForEventSemaphore(SEMAPHORE_T, uLONG);
/* signal an event */
uLONG osdSignalEventSemaphore(SEMAPHORE_T);
/* reset the event */
uLONG osdResetEventSemaphore(SEMAPHORE_T);
/*----------------- */
/* Thread functions */
/*----------------- */
/* Releases control to the task switcher in non-preemptive */
/* multitasking operating systems. */
void osdSwitchThreads(void);
/* Starts a thread function */
uLONG osdStartThread(void *,void *);
/* what is my thread id */
uLONG osdGetThreadID(void);
/* wakes up the specifed thread */
void osdWakeThread(uLONG);
/* osd sleep for x milliseconds */
void osdSleep(uLONG);
#define DPT_THREAD_PRIORITY_LOWEST 0x00
#define DPT_THREAD_PRIORITY_NORMAL 0x01
#define DPT_THREAD_PRIORITY_HIGHEST 0x02
uCHAR osdSetThreadPriority(uLONG tid, uCHAR priority);
#ifdef __cplusplus
} /* end the xtern "C" declaration */
#endif
#endif /* osd_util_h */
|
