| 1 | /* $Xorg: resource.h,v 1.5 2001/02/09 02:05:15 xorgcvs Exp $ */
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| 2 | /***********************************************************
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| 3 |
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| 4 | Copyright 1987, 1989, 1998 The Open Group
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| 5 |
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| 6 | Permission to use, copy, modify, distribute, and sell this software and its
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| 7 | documentation for any purpose is hereby granted without fee, provided that
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| 8 | the above copyright notice appear in all copies and that both that
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| 9 | copyright notice and this permission notice appear in supporting
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| 10 | documentation.
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| 11 |
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| 12 | The above copyright notice and this permission notice shall be included in
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| 13 | all copies or substantial portions of the Software.
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| 14 |
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| 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| 18 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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| 19 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| 20 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 21 |
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| 22 | Except as contained in this notice, the name of The Open Group shall not be
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| 23 | used in advertising or otherwise to promote the sale, use or other dealings
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| 24 | in this Software without prior written authorization from The Open Group.
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| 25 |
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| 26 |
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| 27 | Copyright 1987, 1989 by Digital Equipment Corporation, Maynard, Massachusetts.
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| 28 |
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| 29 | All Rights Reserved
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| 30 |
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| 31 | Permission to use, copy, modify, and distribute this software and its
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| 32 | documentation for any purpose and without fee is hereby granted,
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| 33 | provided that the above copyright notice appear in all copies and that
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| 34 | both that copyright notice and this permission notice appear in
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| 35 | supporting documentation, and that the name of Digital not be
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| 36 | used in advertising or publicity pertaining to distribution of the
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| 37 | software without specific, written prior permission.
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| 38 |
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| 39 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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| 40 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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| 41 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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| 42 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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| 43 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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| 44 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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| 45 | SOFTWARE.
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| 46 |
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| 47 | ******************************************************************/
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| 48 | /* $XFree86: xc/programs/Xserver/include/resource.h,v 1.11 2002/03/06 21:14:04 mvojkovi Exp $ */
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| 49 |
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| 50 | #ifndef RESOURCE_H
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| 51 | #define RESOURCE_H 1
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| 52 | #include "misc.h"
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| 53 |
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| 54 | /*****************************************************************
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| 55 | * STUFF FOR RESOURCES
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| 56 | *****************************************************************/
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| 57 |
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| 58 | /* classes for Resource routines */
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| 59 |
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| 60 | typedef unsigned long RESTYPE;
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| 61 |
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| 62 | #define RC_VANILLA ((RESTYPE)0)
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| 63 | #define RC_CACHED ((RESTYPE)1<<31)
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| 64 | #define RC_DRAWABLE ((RESTYPE)1<<30)
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| 65 | /* Use class RC_NEVERRETAIN for resources that should not be retained
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| 66 | * regardless of the close down mode when the client dies. (A client's
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| 67 | * event selections on objects that it doesn't own are good candidates.)
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| 68 | * Extensions can use this too!
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| 69 | */
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| 70 | #define RC_NEVERRETAIN ((RESTYPE)1<<29)
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| 71 | #define RC_LASTPREDEF RC_NEVERRETAIN
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| 72 | #define RC_ANY (~(RESTYPE)0)
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| 73 |
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| 74 | /* types for Resource routines */
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| 75 |
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| 76 | #define RT_WINDOW ((RESTYPE)1|RC_CACHED|RC_DRAWABLE)
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| 77 | #define RT_PIXMAP ((RESTYPE)2|RC_CACHED|RC_DRAWABLE)
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| 78 | #define RT_GC ((RESTYPE)3|RC_CACHED)
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| 79 | #undef RT_FONT
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| 80 | #undef RT_CURSOR
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| 81 | #define RT_FONT ((RESTYPE)4)
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| 82 | #define RT_CURSOR ((RESTYPE)5)
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| 83 | #define RT_COLORMAP ((RESTYPE)6)
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| 84 | #define RT_CMAPENTRY ((RESTYPE)7)
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| 85 | #define RT_OTHERCLIENT ((RESTYPE)8|RC_NEVERRETAIN)
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| 86 | #define RT_PASSIVEGRAB ((RESTYPE)9|RC_NEVERRETAIN)
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| 87 | #define RT_LASTPREDEF ((RESTYPE)9)
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| 88 | #define RT_NONE ((RESTYPE)0)
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| 89 |
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| 90 | /* bits and fields within a resource id */
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| 91 | #define RESOURCE_AND_CLIENT_COUNT 29 /* 29 bits for XIDs */
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| 92 | #if MAXCLIENTS == 64
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| 93 | #define RESOURCE_CLIENT_BITS 6
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| 94 | #endif
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| 95 | #if MAXCLIENTS == 128
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| 96 | #define RESOURCE_CLIENT_BITS 7
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| 97 | #endif
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| 98 | #if MAXCLIENTS == 256
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| 99 | #define RESOURCE_CLIENT_BITS 8
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| 100 | #endif
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| 101 | #if MAXCLIENTS == 512
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| 102 | #define RESOURCE_CLIENT_BITS 9
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| 103 | #endif
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| 104 | /* client field offset */
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| 105 | #define CLIENTOFFSET (RESOURCE_AND_CLIENT_COUNT - RESOURCE_CLIENT_BITS)
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| 106 | /* resource field */
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| 107 | #define RESOURCE_ID_MASK ((1 << CLIENTOFFSET) - 1)
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| 108 | /* client field */
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| 109 | #define RESOURCE_CLIENT_MASK (((1 << RESOURCE_CLIENT_BITS) - 1) << CLIENTOFFSET)
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| 110 | /* extract the client mask from an XID */
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| 111 | #define CLIENT_BITS(id) ((id) & RESOURCE_CLIENT_MASK)
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| 112 | /* extract the client id from an XID */
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| 113 | #define CLIENT_ID(id) ((int)(CLIENT_BITS(id) >> CLIENTOFFSET))
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| 114 | #define SERVER_BIT (Mask)0x40000000 /* use illegal bit */
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| 115 |
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| 116 | #ifdef INVALID
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| 117 | #undef INVALID /* needed on HP/UX */
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| 118 | #endif
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| 119 |
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| 120 | /* Invalid resource id */
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| 121 | #define INVALID (0)
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| 122 |
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| 123 | #define BAD_RESOURCE 0xe0000000
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| 124 |
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| 125 | typedef int (*DeleteType)(
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| 126 | pointer /*value*/,
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| 127 | XID /*id*/);
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| 128 |
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| 129 | typedef void (*FindResType)(
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| 130 | pointer /*value*/,
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| 131 | XID /*id*/,
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| 132 | pointer /*cdata*/);
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| 133 |
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| 134 | typedef void (*FindAllRes)(
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| 135 | pointer /*value*/,
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| 136 | XID /*id*/,
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| 137 | RESTYPE /*type*/,
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| 138 | pointer /*cdata*/);
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| 139 |
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| 140 | typedef Bool (*FindComplexResType)(
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| 141 | pointer /*value*/,
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| 142 | XID /*id*/,
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| 143 | pointer /*cdata*/);
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| 144 |
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| 145 | extern RESTYPE CreateNewResourceType(
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| 146 | DeleteType /*deleteFunc*/);
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| 147 |
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| 148 | extern RESTYPE CreateNewResourceClass(void);
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| 149 |
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| 150 | extern Bool InitClientResources(
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| 151 | ClientPtr /*client*/);
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| 152 |
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| 153 | extern XID FakeClientID(
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| 154 | int /*client*/);
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| 155 |
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| 156 | /* Quartz support on Mac OS X uses the CarbonCore
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| 157 | framework whose AddResource function conflicts here. */
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| 158 | #ifdef __DARWIN__
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| 159 | #define AddResource Darwin_X_AddResource
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| 160 | #endif
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| 161 | extern Bool AddResource(
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| 162 | XID /*id*/,
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| 163 | RESTYPE /*type*/,
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| 164 | pointer /*value*/);
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| 165 |
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| 166 | extern void FreeResource(
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| 167 | XID /*id*/,
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| 168 | RESTYPE /*skipDeleteFuncType*/);
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| 169 |
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| 170 | extern void FreeResourceByType(
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| 171 | XID /*id*/,
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| 172 | RESTYPE /*type*/,
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| 173 | Bool /*skipFree*/);
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| 174 |
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| 175 | extern Bool ChangeResourceValue(
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| 176 | XID /*id*/,
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| 177 | RESTYPE /*rtype*/,
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| 178 | pointer /*value*/);
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| 179 |
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| 180 | extern void FindClientResourcesByType(
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| 181 | ClientPtr /*client*/,
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| 182 | RESTYPE /*type*/,
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| 183 | FindResType /*func*/,
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| 184 | pointer /*cdata*/);
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| 185 |
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| 186 | extern void FindAllClientResources(
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| 187 | ClientPtr /*client*/,
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| 188 | FindAllRes /*func*/,
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| 189 | pointer /*cdata*/);
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| 190 |
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| 191 | extern void FreeClientNeverRetainResources(
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| 192 | ClientPtr /*client*/);
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| 193 |
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| 194 | extern void FreeClientResources(
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| 195 | ClientPtr /*client*/);
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| 196 |
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| 197 | extern void FreeAllResources(void);
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| 198 |
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| 199 | extern Bool LegalNewID(
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| 200 | XID /*id*/,
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| 201 | ClientPtr /*client*/);
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| 202 |
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| 203 | extern pointer LookupIDByType(
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| 204 | XID /*id*/,
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| 205 | RESTYPE /*rtype*/);
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| 206 |
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| 207 | extern pointer LookupIDByClass(
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| 208 | XID /*id*/,
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| 209 | RESTYPE /*classes*/);
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| 210 |
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| 211 | extern pointer LookupClientResourceComplex(
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| 212 | ClientPtr client,
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| 213 | RESTYPE type,
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| 214 | FindComplexResType func,
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| 215 | pointer cdata);
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| 216 |
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| 217 | /* These are the access modes that can be passed in the last parameter
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| 218 | * to SecurityLookupIDByType/Class. The Security extension doesn't
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| 219 | * currently make much use of these; they're mainly provided as an
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| 220 | * example of what you might need for discretionary access control.
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| 221 | * You can or these values together to indicate multiple modes
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| 222 | * simultaneously.
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| 223 | */
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| 224 |
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| 225 | #define SecurityUnknownAccess 0 /* don't know intentions */
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| 226 | #define SecurityReadAccess (1<<0) /* inspecting the object */
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| 227 | #define SecurityWriteAccess (1<<1) /* changing the object */
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| 228 | #define SecurityDestroyAccess (1<<2) /* destroying the object */
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| 229 |
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| 230 | #ifdef XCSECURITY
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| 231 |
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| 232 | extern pointer SecurityLookupIDByType(
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| 233 | ClientPtr /*client*/,
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| 234 | XID /*id*/,
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| 235 | RESTYPE /*rtype*/,
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| 236 | Mask /*access_mode*/);
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| 237 |
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| 238 | extern pointer SecurityLookupIDByClass(
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| 239 | ClientPtr /*client*/,
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| 240 | XID /*id*/,
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| 241 | RESTYPE /*classes*/,
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| 242 | Mask /*access_mode*/);
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| 243 |
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| 244 | #else /* not XCSECURITY */
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| 245 |
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| 246 | #define SecurityLookupIDByType(client, id, rtype, access_mode) \
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| 247 | LookupIDByType(id, rtype)
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| 248 |
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| 249 | #define SecurityLookupIDByClass(client, id, classes, access_mode) \
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| 250 | LookupIDByClass(id, classes)
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| 251 |
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| 252 | #endif /* XCSECURITY */
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| 253 |
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| 254 | extern void GetXIDRange(
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| 255 | int /*client*/,
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| 256 | Bool /*server*/,
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| 257 | XID * /*minp*/,
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| 258 | XID * /*maxp*/);
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| 259 |
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| 260 | extern unsigned int GetXIDList(
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| 261 | ClientPtr /*client*/,
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| 262 | unsigned int /*count*/,
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| 263 | XID * /*pids*/);
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| 264 |
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| 265 | extern RESTYPE lastResourceType;
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| 266 | extern RESTYPE TypeMask;
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| 267 |
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| 268 | #ifdef XResExtension
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| 269 | extern Atom *ResourceNames;
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| 270 | void RegisterResourceName(RESTYPE type, char* name);
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| 271 | #endif
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| 272 |
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| 273 | #endif /* RESOURCE_H */
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| 274 |
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