xserver/include/dixstruct.h

/***********************************************************
Copyright 1987 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 DIXSTRUCT_H
#define DIXSTRUCT_H

#include "client.h"
#include "dix.h"
#include "resource.h"
#include "cursor.h"
#include "gc.h"
#include "pixmap.h"
#include "privates.h"
#include <X11/Xmd.h>

/*
 * 	direct-mapped hash table, used by resource manager to store
 *      translation from client ids to server addresses.
 */

extern _X_EXPORT CallbackListPtr ClientStateCallback;

typedef struct {
    ClientPtr client;
    xConnSetupPrefix *prefix;
    xConnSetup *setup;
} NewClientInfoRec;

typedef void (*ReplySwapPtr) (ClientPtr /* pClient */ ,
                              int /* size */ ,
                              void * /* pbuf */ );

extern _X_EXPORT void
ReplyNotSwappd(ClientPtr /* pClient */ ,
               int /* size */ ,
               void * /* pbuf */ ) _X_NORETURN;

typedef enum { ClientStateInitial,
    ClientStateRunning,
    ClientStateRetained,
    ClientStateGone
} ClientState;

#ifdef XFIXES
typedef struct _saveSet {
    struct _Window *windowPtr;
    Bool toRoot;
    Bool map;
} SaveSetElt;
#define SaveSetWindow(ss)   ((ss).windowPtr)
#define SaveSetToRoot(ss)   ((ss).toRoot)
#define SaveSetShouldMap(ss)	    ((ss).map)
#define SaveSetAssignWindow(ss,w)   ((ss).windowPtr = (w))
#define SaveSetAssignToRoot(ss,tr)  ((ss).toRoot = (tr))
#define SaveSetAssignMap(ss,m)      ((ss).map = (m))
#else
typedef struct _Window *SaveSetElt;

#define SaveSetWindow(ss)   (ss)
#define SaveSetToRoot(ss)   FALSE
#define SaveSetShouldMap(ss)	    TRUE
#define SaveSetAssignWindow(ss,w)   ((ss) = (w))
#define SaveSetAssignToRoot(ss,tr)
#define SaveSetAssignMap(ss,m)
#endif

typedef struct _Client {
    pointer requestBuffer;
    pointer osPrivate;          /* for OS layer, including scheduler */
    Mask clientAsMask;
    short index;
    unsigned char majorOp, minorOp;
    int swapped:1;
    int local:1;
    int big_requests:1;          /* supports large requests */
    int clientGone:1;
    int closeDownMode:2;
    int clientState:2;
    char smart_priority;
    short noClientException;      /* this client died or needs to be killed */
    int priority;
    ReplySwapPtr pSwapReplyFunc;
    XID errorValue;
    int sequence;
    int ignoreCount;            /* count for Attend/IgnoreClient */
    int numSaved;
    SaveSetElt *saveSet;
    int (**requestVector) (ClientPtr /* pClient */ );
    CARD32 req_len;             /* length of current request */
    unsigned int replyBytesRemaining;
    PrivateRec *devPrivates;
    unsigned short xkbClientFlags;
    unsigned short mapNotifyMask;
    unsigned short newKeyboardNotifyMask;
    unsigned short vMajor, vMinor;
    KeyCode minKC, maxKC;

    int smart_start_tick;
    int smart_stop_tick;
    int smart_check_tick;

    DeviceIntPtr clientPtr;
    ClientIdPtr clientIds;
} ClientRec;

/*
 * Scheduling interface
 */
extern _X_EXPORT long SmartScheduleTime;
extern _X_EXPORT long SmartScheduleInterval;
extern _X_EXPORT long SmartScheduleSlice;
extern _X_EXPORT long SmartScheduleMaxSlice;
extern _X_EXPORT Bool SmartScheduleDisable;
extern _X_EXPORT void
SmartScheduleStartTimer(void);
extern _X_EXPORT void
SmartScheduleStopTimer(void);

#define SMART_MAX_PRIORITY  (20)
#define SMART_MIN_PRIORITY  (-20)

extern _X_EXPORT void
SmartScheduleInit(void);

/* This prototype is used pervasively in Xext, dix */
#define DISPATCH_PROC(func) int func(ClientPtr /* client */)

typedef struct _WorkQueue {
    struct _WorkQueue *next;
    Bool (*function) (ClientPtr /* pClient */ ,
                      pointer   /* closure */
        );
    ClientPtr client;
    pointer closure;
} WorkQueueRec;

extern _X_EXPORT TimeStamp currentTime;
extern _X_EXPORT TimeStamp lastDeviceEventTime[MAXDEVICES];

extern _X_EXPORT int
CompareTimeStamps(TimeStamp /*a */ ,
                  TimeStamp /*b */ );

extern _X_EXPORT TimeStamp
ClientTimeToServerTime(CARD32 /*c */ );

typedef struct _CallbackRec {
    CallbackProcPtr proc;
    pointer data;
    Bool deleted;
    struct _CallbackRec *next;
} CallbackRec, *CallbackPtr;

typedef struct _CallbackList {
    int inCallback;
    Bool deleted;
    int numDeleted;
    CallbackPtr list;
} CallbackListRec;

/* proc vectors */

extern _X_EXPORT int (*InitialVector[3]) (ClientPtr /*client */ );

extern _X_EXPORT int (*ProcVector[256]) (ClientPtr /*client */ );

extern _X_EXPORT int (*SwappedProcVector[256]) (ClientPtr /*client */ );

extern _X_EXPORT ReplySwapPtr ReplySwapVector[256];

extern _X_EXPORT int
ProcBadRequest(ClientPtr /*client */ );

#endif                          /* DIXSTRUCT_H */