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
|
/***********************************************************
Copyright 1987, 1989, 1998 The Open Group
Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.
Copyright 1987, 1989 by Digital Equipment Corporation, Maynard, Massachusetts.
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of Digital not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.
******************************************************************/
#ifndef RESOURCE_H
#define RESOURCE_H 1
#include "misc.h"
/*****************************************************************
* STUFF FOR RESOURCES
*****************************************************************/
/* classes for Resource routines */
typedef unsigned long RESTYPE;
#define RC_VANILLA ((RESTYPE)0)
#define RC_CACHED ((RESTYPE)1<<31)
#define RC_DRAWABLE ((RESTYPE)1<<30)
/* Use class RC_NEVERRETAIN for resources that should not be retained
* regardless of the close down mode when the client dies. (A client's
* event selections on objects that it doesn't own are good candidates.)
* Extensions can use this too!
*/
#define RC_NEVERRETAIN ((RESTYPE)1<<29)
/* Use class RC_PRIVATES for resources that support extra private data.
* Resources having this class must provide a field of type PrivateRec *.
* Refer to the X server documentation on devPrivates for the details.
*/
#define RC_PRIVATES ((RESTYPE)1<<28)
#define RC_LASTPREDEF RC_PRIVATES
#define RC_ANY (~(RESTYPE)0)
/* types for Resource routines */
#define RT_WINDOW ((RESTYPE)1|RC_CACHED|RC_DRAWABLE)
#define RT_PIXMAP ((RESTYPE)2|RC_CACHED|RC_DRAWABLE)
#define RT_GC ((RESTYPE)3|RC_CACHED)
#undef RT_FONT
#undef RT_CURSOR
#define RT_FONT ((RESTYPE)4)
#define RT_CURSOR ((RESTYPE)5)
#define RT_COLORMAP ((RESTYPE)6)
#define RT_CMAPENTRY ((RESTYPE)7)
#define RT_OTHERCLIENT ((RESTYPE)8|RC_NEVERRETAIN)
#define RT_PASSIVEGRAB ((RESTYPE)9|RC_NEVERRETAIN)
#define RT_LASTPREDEF ((RESTYPE)9)
#define RT_NONE ((RESTYPE)0)
/* bits and fields within a resource id */
#define RESOURCE_AND_CLIENT_COUNT 29 /* 29 bits for XIDs */
#if MAXCLIENTS == 64
#define RESOURCE_CLIENT_BITS 6
#endif
#if MAXCLIENTS == 128
#define RESOURCE_CLIENT_BITS 7
#endif
#if MAXCLIENTS == 256
#define RESOURCE_CLIENT_BITS 8
#endif
#if MAXCLIENTS == 512
#define RESOURCE_CLIENT_BITS 9
#endif
/* client field offset */
#define CLIENTOFFSET (RESOURCE_AND_CLIENT_COUNT - RESOURCE_CLIENT_BITS)
/* resource field */
#define RESOURCE_ID_MASK ((1 << CLIENTOFFSET) - 1)
/* client field */
#define RESOURCE_CLIENT_MASK (((1 << RESOURCE_CLIENT_BITS) - 1) << CLIENTOFFSET)
/* extract the client mask from an XID */
#define CLIENT_BITS(id) ((id) & RESOURCE_CLIENT_MASK)
/* extract the client id from an XID */
#define CLIENT_ID(id) ((int)(CLIENT_BITS(id) >> CLIENTOFFSET))
#define SERVER_BIT (Mask)0x40000000 /* use illegal bit */
#ifdef INVALID
#undef INVALID /* needed on HP/UX */
#endif
/* Invalid resource id */
#define INVALID (0)
#define BAD_RESOURCE 0xe0000000
typedef int (*DeleteType)(
pointer /*value*/,
XID /*id*/);
typedef void (*FindResType)(
pointer /*value*/,
XID /*id*/,
pointer /*cdata*/);
typedef void (*FindAllRes)(
pointer /*value*/,
XID /*id*/,
RESTYPE /*type*/,
pointer /*cdata*/);
typedef Bool (*FindComplexResType)(
pointer /*value*/,
XID /*id*/,
pointer /*cdata*/);
extern RESTYPE CreateNewResourceType(
DeleteType /*deleteFunc*/);
extern RESTYPE CreateNewResourceClass(void);
extern Bool InitClientResources(
ClientPtr /*client*/);
extern XID FakeClientID(
int /*client*/);
/* Quartz support on Mac OS X uses the CarbonCore
framework whose AddResource function conflicts here. */
#ifdef __DARWIN__
#define AddResource Darwin_X_AddResource
#endif
extern Bool AddResource(
XID /*id*/,
RESTYPE /*type*/,
pointer /*value*/);
extern void FreeResource(
XID /*id*/,
RESTYPE /*skipDeleteFuncType*/);
extern void FreeResourceByType(
XID /*id*/,
RESTYPE /*type*/,
Bool /*skipFree*/);
extern Bool ChangeResourceValue(
XID /*id*/,
RESTYPE /*rtype*/,
pointer /*value*/);
extern void FindClientResourcesByType(
ClientPtr /*client*/,
RESTYPE /*type*/,
FindResType /*func*/,
pointer /*cdata*/);
extern void FindAllClientResources(
ClientPtr /*client*/,
FindAllRes /*func*/,
pointer /*cdata*/);
extern void FreeClientNeverRetainResources(
ClientPtr /*client*/);
extern void FreeClientResources(
ClientPtr /*client*/);
extern void FreeAllResources(void);
extern Bool LegalNewID(
XID /*id*/,
ClientPtr /*client*/);
extern pointer LookupIDByType(
XID /*id*/,
RESTYPE /*rtype*/);
extern pointer LookupIDByClass(
XID /*id*/,
RESTYPE /*classes*/);
extern pointer LookupClientResourceComplex(
ClientPtr client,
RESTYPE type,
FindComplexResType func,
pointer cdata);
/* These are the access modes that can be passed in the last parameter
* to SecurityLookupIDByType/Class. The Security extension doesn't
* currently make much use of these; they're mainly provided as an
* example of what you might need for discretionary access control.
* You can or these values together to indicate multiple modes
* simultaneously.
*/
#define DixUnknownAccess 0 /* don't know intentions */
#define DixReadAccess (1<<0) /* inspecting the object */
#define DixWriteAccess (1<<1) /* changing the object */
#define DixReadWriteAccess (DixReadAccess|DixWriteAccess)
#define DixDestroyAccess (1<<2) /* destroying the object */
extern pointer SecurityLookupIDByType(
ClientPtr /*client*/,
XID /*id*/,
RESTYPE /*rtype*/,
Mask /*access_mode*/);
extern pointer SecurityLookupIDByClass(
ClientPtr /*client*/,
XID /*id*/,
RESTYPE /*classes*/,
Mask /*access_mode*/);
extern void GetXIDRange(
int /*client*/,
Bool /*server*/,
XID * /*minp*/,
XID * /*maxp*/);
extern unsigned int GetXIDList(
ClientPtr /*client*/,
unsigned int /*count*/,
XID * /*pids*/);
extern RESTYPE lastResourceType;
extern RESTYPE TypeMask;
#ifdef XResExtension
extern Atom *ResourceNames;
void RegisterResourceName(RESTYPE type, char* name);
#endif
#endif /* RESOURCE_H */
|
