| 1 | /*********************************************************** |
| 2 | Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. |
| 3 | |
| 4 | All Rights Reserved |
| 5 | |
| 6 | Permission to use, copy, modify, and distribute this software and its |
| 7 | documentation for any purpose and without fee is hereby granted, |
| 8 | provided that the above copyright notice appear in all copies and that |
| 9 | both that copyright notice and this permission notice appear in |
| 10 | supporting documentation, and that the name of Digital not be |
| 11 | used in advertising or publicity pertaining to distribution of the |
| 12 | software without specific, written prior permission. |
| 13 | |
| 14 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING |
| 15 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL |
| 16 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR |
| 17 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
| 18 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, |
| 19 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
| 20 | SOFTWARE. |
| 21 | |
| 22 | ******************************************************************/ |
| 23 | |
| 24 | #ifndef DIXSTRUCT_H |
| 25 | #define DIXSTRUCT_H |
| 26 | |
| 27 | #include "client.h" |
| 28 | #include "dix.h" |
| 29 | #include "resource.h" |
| 30 | #include "cursor.h" |
| 31 | #include "gc.h" |
| 32 | #include "pixmap.h" |
| 33 | #include "privates.h" |
| 34 | #include <X11/Xmd.h> |
| 35 | |
| 36 | /* |
| 37 | * direct-mapped hash table, used by resource manager to store |
| 38 | * translation from client ids to server addresses. |
| 39 | */ |
| 40 | |
| 41 | extern _X_EXPORT CallbackListPtr ClientStateCallback; |
| 42 | |
| 43 | typedef struct { |
| 44 | ClientPtr client; |
| 45 | xConnSetupPrefix *prefix; |
| 46 | xConnSetup *setup; |
| 47 | } NewClientInfoRec; |
| 48 | |
| 49 | typedef void (*ReplySwapPtr) (ClientPtr /* pClient */ , |
| 50 | int /* size */ , |
| 51 | void * /* pbuf */ ); |
| 52 | |
| 53 | extern _X_EXPORT void |
| 54 | ReplyNotSwappd(ClientPtr /* pClient */ , |
| 55 | int /* size */ , |
| 56 | void * /* pbuf */ ) _X_NORETURN; |
| 57 | |
| 58 | typedef enum { ClientStateInitial, |
| 59 | ClientStateRunning, |
| 60 | ClientStateRetained, |
| 61 | ClientStateGone |
| 62 | } ClientState; |
| 63 | |
| 64 | typedef struct _saveSet { |
| 65 | struct _Window *windowPtr; |
| 66 | Bool toRoot; |
| 67 | Bool map; |
| 68 | } SaveSetElt; |
| 69 | #define SaveSetWindow(ss) ((ss).windowPtr) |
| 70 | #define SaveSetToRoot(ss) ((ss).toRoot) |
| 71 | #define SaveSetShouldMap(ss) ((ss).map) |
| 72 | #define SaveSetAssignWindow(ss,w) ((ss).windowPtr = (w)) |
| 73 | #define SaveSetAssignToRoot(ss,tr) ((ss).toRoot = (tr)) |
| 74 | #define SaveSetAssignMap(ss,m) ((ss).map = (m)) |
| 75 | |
| 76 | typedef struct _Client { |
| 77 | pointer requestBuffer; |
| 78 | pointer osPrivate; /* for OS layer, including scheduler */ |
| 79 | Mask clientAsMask; |
| 80 | short index; |
| 81 | unsigned char majorOp, minorOp; |
| 82 | unsigned int swapped:1; |
| 83 | unsigned int local:1; |
| 84 | unsigned int big_requests:1; /* supports large requests */ |
| 85 | unsigned int clientGone:1; |
| 86 | unsigned int closeDownMode:2; |
| 87 | unsigned int clientState:2; |
| 88 | signed char smart_priority; |
| 89 | short noClientException; /* this client died or needs to be killed */ |
| 90 | int priority; |
| 91 | ReplySwapPtr pSwapReplyFunc; |
| 92 | XID errorValue; |
| 93 | int sequence; |
| 94 | int ignoreCount; /* count for Attend/IgnoreClient */ |
| 95 | int numSaved; |
| 96 | SaveSetElt *saveSet; |
| 97 | int (**requestVector) (ClientPtr /* pClient */ ); |
| 98 | CARD32 req_len; /* length of current request */ |
| 99 | unsigned int replyBytesRemaining; |
| 100 | PrivateRec *devPrivates; |
| 101 | unsigned short xkbClientFlags; |
| 102 | unsigned short mapNotifyMask; |
| 103 | unsigned short newKeyboardNotifyMask; |
| 104 | unsigned short vMajor, vMinor; |
| 105 | KeyCode minKC, maxKC; |
| 106 | |
| 107 | int smart_start_tick; |
| 108 | int smart_stop_tick; |
| 109 | int smart_check_tick; |
| 110 | |
| 111 | DeviceIntPtr clientPtr; |
| 112 | ClientIdPtr clientIds; |
| 113 | #if XTRANS_SEND_FDS |
| 114 | int req_fds; |
| 115 | #endif |
| 116 | } ClientRec; |
| 117 | |
| 118 | #if XTRANS_SEND_FDS |
| 119 | static inline void |
| 120 | SetReqFds(ClientPtr client, int req_fds) { |
| 121 | if (client->req_fds != 0 && req_fds != client->req_fds) |
| 122 | LogMessage(X_ERROR, "Mismatching number of request fds %d != %d\n", req_fds, client->req_fds); |
| 123 | client->req_fds = req_fds; |
| 124 | } |
| 125 | #endif |
| 126 | |
| 127 | /* |
| 128 | * Scheduling interface |
| 129 | */ |
| 130 | extern _X_EXPORT long SmartScheduleTime; |
| 131 | extern _X_EXPORT long SmartScheduleInterval; |
| 132 | extern _X_EXPORT long SmartScheduleSlice; |
| 133 | extern _X_EXPORT long SmartScheduleMaxSlice; |
| 134 | extern _X_EXPORT Bool SmartScheduleDisable; |
| 135 | extern _X_EXPORT void |
| 136 | SmartScheduleStartTimer(void); |
| 137 | extern _X_EXPORT void |
| 138 | SmartScheduleStopTimer(void); |
| 139 | |
| 140 | #define SMART_MAX_PRIORITY (20) |
| 141 | #define SMART_MIN_PRIORITY (-20) |
| 142 | |
| 143 | extern _X_EXPORT void |
| 144 | SmartScheduleInit(void); |
| 145 | |
| 146 | /* This prototype is used pervasively in Xext, dix */ |
| 147 | #define DISPATCH_PROC(func) int func(ClientPtr /* client */) |
| 148 | |
| 149 | typedef struct _WorkQueue { |
| 150 | struct _WorkQueue *next; |
| 151 | Bool (*function) (ClientPtr /* pClient */ , |
| 152 | pointer /* closure */ |
| 153 | ); |
| 154 | ClientPtr client; |
| 155 | pointer closure; |
| 156 | } WorkQueueRec; |
| 157 | |
| 158 | extern _X_EXPORT TimeStamp currentTime; |
| 159 | |
| 160 | extern _X_EXPORT int |
| 161 | CompareTimeStamps(TimeStamp /*a */ , |
| 162 | TimeStamp /*b */ ); |
| 163 | |
| 164 | extern _X_EXPORT TimeStamp |
| 165 | ClientTimeToServerTime(CARD32 /*c */ ); |
| 166 | |
| 167 | typedef struct _CallbackRec { |
| 168 | CallbackProcPtr proc; |
| 169 | pointer data; |
| 170 | Bool deleted; |
| 171 | struct _CallbackRec *next; |
| 172 | } CallbackRec, *CallbackPtr; |
| 173 | |
| 174 | typedef struct _CallbackList { |
| 175 | int inCallback; |
| 176 | Bool deleted; |
| 177 | int numDeleted; |
| 178 | CallbackPtr list; |
| 179 | } CallbackListRec; |
| 180 | |
| 181 | /* proc vectors */ |
| 182 | |
| 183 | extern _X_EXPORT int (*InitialVector[3]) (ClientPtr /*client */ ); |
| 184 | |
| 185 | extern _X_EXPORT int (*ProcVector[256]) (ClientPtr /*client */ ); |
| 186 | |
| 187 | extern _X_EXPORT int (*SwappedProcVector[256]) (ClientPtr /*client */ ); |
| 188 | |
| 189 | extern _X_EXPORT ReplySwapPtr ReplySwapVector[256]; |
| 190 | |
| 191 | extern _X_EXPORT int |
| 192 | ProcBadRequest(ClientPtr /*client */ ); |
| 193 | |
| 194 | #endif /* DIXSTRUCT_H */ |