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

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

#ifdef DEBUG
#define MAX_REQUEST_LOG 100
#endif

extern CallbackListPtr ClientStateCallback;

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

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

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

typedef enum {ClientStateInitial,
	      ClientStateAuthenticating,
	      ClientStateRunning,
	      ClientStateRetained,
	      ClientStateGone,
	      ClientStateCheckingSecurity,
	      ClientStateCheckedSecurity} ClientState;

typedef struct _saveSet {
    struct _Window  *windowPtr;
    Bool	    toRoot;
    Bool	    remap;
} SaveSetElt;
#define SaveSetWindow(ss)   ((ss).windowPtr)
#define SaveSetToRoot(ss)   ((ss).toRoot)
#define SaveSetRemap(ss)    ((ss).remap)
#define SaveSetAssignWindow(ss,w)   ((ss).windowPtr = (w))
#define SaveSetAssignToRoot(ss,tr)  ((ss).toRoot = (tr))
#define SaveSetAssignRemap(ss,rm)  ((ss).remap = (rm))

typedef struct _Client {
    int         index;
    Mask        clientAsMask;
    pointer     requestBuffer;
    pointer     osPrivate;	/* for OS layer, including scheduler */
    Bool        swapped;
    ReplySwapPtr pSwapReplyFunc;
    XID         errorValue;
    int         sequence;
    int         closeDownMode;
    int         clientGone;
    int         noClientException;	/* this client died or needs to be
					 * killed */
    DrawablePtr lastDrawable;
    Drawable    lastDrawableID;
    GCPtr       lastGC;
    GContext    lastGCID;
    SaveSetElt	*saveSet;
    int         numSaved;
    pointer     screenPrivate[MAXSCREENS];
    int         (**requestVector) (
		ClientPtr /* pClient */);
    CARD32	req_len;		/* length of current request */
    Bool	big_requests;		/* supports large requests */
    int		priority;
    ClientState clientState;
    DevUnion	*devPrivates;

#ifdef DEBUG
    unsigned char requestLog[MAX_REQUEST_LOG];
    int         requestLogIndex;
#endif
    unsigned long replyBytesRemaining;
    struct _FontResolution * (*fontResFunc) (    /* no need for font.h */
		ClientPtr	/* pClient */,
		int *		/* num */);
#ifdef SMART_SCHEDULE
    int	    smart_priority;
    long    smart_start_tick;
    long    smart_stop_tick;
    long    smart_check_tick;
#endif
}           ClientRec;

#ifdef SMART_SCHEDULE
/*
 * Scheduling interface
 */
extern long SmartScheduleTime;
extern long SmartScheduleInterval;
extern long SmartScheduleSlice;
extern long SmartScheduleMaxSlice;
extern unsigned long SmartScheduleIdleCount;
extern Bool SmartScheduleDisable;
extern Bool SmartScheduleIdle;
extern Bool SmartScheduleTimerStopped;
Bool SmartScheduleStartTimer(void);
#define SMART_MAX_PRIORITY  (20)
#define SMART_MIN_PRIORITY  (-20)

Bool SmartScheduleInit(void);

#endif

/* 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 TimeStamp currentTime;
extern TimeStamp lastDeviceEventTime;

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

TimeStamp ClientTimeToServerTime(CARD32 /*c*/);

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

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

/* proc vectors */

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

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

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


extern const ReplySwapPtr ReplySwapVector[256];

int ProcBadRequest(ClientPtr /*client*/);

#endif				/* DIXSTRUCT_H */