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-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/NXresource.c644
1 files changed, 2 insertions, 642 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXresource.c b/nx-X11/programs/Xserver/hw/nxagent/NXresource.c
index 96bbde00c..38bc05e51 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/NXresource.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXresource.c
@@ -118,31 +118,7 @@ Equipment Corporation.
*/
/* $XFree86: xc/programs/Xserver/dix/resource.c,v 3.13 2003/09/24 02:43:13 dawes Exp $ */
-#define NEED_EVENTS
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <nx-X11/X.h>
-#include "misc.h"
-#include "os.h"
-#include "resource.h"
-#include "dixstruct.h"
-#include "opaque.h"
-#include "windowstr.h"
-#include "dixfont.h"
-#include "colormap.h"
-#include "inputstr.h"
-#include "dixevents.h"
-#include "dixgrabs.h"
-#include "cursor.h"
-#ifdef PANORAMIX
-#include "panoramiX.h"
-#include "panoramiXsrv.h"
-#endif
-#include <assert.h>
-
-#ifdef NXAGENT_SERVER
+#include "../../dix/resource.c"
#include "Agent.h"
#include "Font.h"
@@ -154,311 +130,11 @@ Equipment Corporation.
#undef TEST
#undef DEBUG
-#endif
-
-static void RebuildTable(
- int /*client*/
-);
-
-#define SERVER_MINID 32
-
-#define INITBUCKETS 64
-#define INITHASHSIZE 6
-#define MAXHASHSIZE 11
-
-typedef struct _Resource {
- struct _Resource *next;
- XID id;
- RESTYPE type;
- void * value;
-} ResourceRec, *ResourcePtr;
-#define NullResource ((ResourcePtr)NULL)
-
-typedef struct _ClientResource {
- ResourcePtr *resources;
- int elements;
- int buckets;
- int hashsize; /* log(2)(buckets) */
- XID fakeID;
- XID endFakeID;
- XID expectID;
-} ClientResourceRec;
-
-RESTYPE lastResourceType;
-static RESTYPE lastResourceClass;
-RESTYPE TypeMask;
-
-static DeleteType *DeleteFuncs = (DeleteType *)NULL;
-
-#ifdef XResExtension
-
-Atom * ResourceNames = NULL;
-
-void RegisterResourceName (RESTYPE type, char *name)
-{
- ResourceNames[type & TypeMask] = MakeAtom(name, strlen(name), TRUE);
-}
-
-#endif
-
#ifdef NXAGENT_SERVER
static int nxagentResChangedFlag = 0;
#endif
-RESTYPE
-CreateNewResourceType(DeleteType deleteFunc)
-{
- RESTYPE next = lastResourceType + 1;
- DeleteType *funcs;
-
- if (next & lastResourceClass)
- return 0;
- funcs = (DeleteType *)xrealloc(DeleteFuncs,
- (next + 1) * sizeof(DeleteType));
- if (!funcs)
- return 0;
-
-#ifdef XResExtension
- {
- Atom *newnames;
- newnames = xrealloc(ResourceNames, (next + 1) * sizeof(Atom));
- if(!newnames)
- return 0;
- ResourceNames = newnames;
- ResourceNames[next] = 0;
- }
-#endif
-
- lastResourceType = next;
- DeleteFuncs = funcs;
- DeleteFuncs[next] = deleteFunc;
- return next;
-}
-
-RESTYPE
-CreateNewResourceClass()
-{
- RESTYPE next = lastResourceClass >> 1;
-
- if (next & lastResourceType)
- return 0;
- lastResourceClass = next;
- TypeMask = next - 1;
- return next;
-}
-
-ClientResourceRec clientTable[MAXCLIENTS];
-
-/*****************
- * InitClientResources
- * When a new client is created, call this to allocate space
- * in resource table
- *****************/
-
-Bool
-InitClientResources(ClientPtr client)
-{
- register int i, j;
-
- if (client == serverClient)
- {
- lastResourceType = RT_LASTPREDEF;
- lastResourceClass = RC_LASTPREDEF;
- TypeMask = RC_LASTPREDEF - 1;
- if (DeleteFuncs)
- xfree(DeleteFuncs);
- DeleteFuncs = (DeleteType *)xalloc((lastResourceType + 1) *
- sizeof(DeleteType));
- if (!DeleteFuncs)
- return FALSE;
- DeleteFuncs[RT_NONE & TypeMask] = (DeleteType)NoopDDA;
- DeleteFuncs[RT_WINDOW & TypeMask] = DeleteWindow;
- DeleteFuncs[RT_PIXMAP & TypeMask] = dixDestroyPixmap;
- DeleteFuncs[RT_GC & TypeMask] = FreeGC;
- DeleteFuncs[RT_FONT & TypeMask] = CloseFont;
- DeleteFuncs[RT_CURSOR & TypeMask] = FreeCursor;
- DeleteFuncs[RT_COLORMAP & TypeMask] = FreeColormap;
- DeleteFuncs[RT_CMAPENTRY & TypeMask] = FreeClientPixels;
- DeleteFuncs[RT_OTHERCLIENT & TypeMask] = OtherClientGone;
- DeleteFuncs[RT_PASSIVEGRAB & TypeMask] = DeletePassiveGrab;
-
-#ifdef XResExtension
- if(ResourceNames)
- xfree(ResourceNames);
- ResourceNames = xalloc((lastResourceType + 1) * sizeof(Atom));
- if(!ResourceNames)
- return FALSE;
-#endif
- }
- clientTable[i = client->index].resources =
- (ResourcePtr *)xalloc(INITBUCKETS*sizeof(ResourcePtr));
- if (!clientTable[i].resources)
- return FALSE;
- clientTable[i].buckets = INITBUCKETS;
- clientTable[i].elements = 0;
- clientTable[i].hashsize = INITHASHSIZE;
- /* Many IDs allocated from the server client are visible to clients,
- * so we don't use the SERVER_BIT for them, but we have to start
- * past the magic value constants used in the protocol. For normal
- * clients, we can start from zero, with SERVER_BIT set.
- */
- clientTable[i].fakeID = client->clientAsMask |
- (client->index ? SERVER_BIT : SERVER_MINID);
- clientTable[i].endFakeID = (clientTable[i].fakeID | RESOURCE_ID_MASK) + 1;
- clientTable[i].expectID = client->clientAsMask;
- for (j=0; j<INITBUCKETS; j++)
- {
- clientTable[i].resources[j] = NullResource;
- }
- return TRUE;
-}
-
-
-static int
-Hash(int client, register XID id)
-{
- id &= RESOURCE_ID_MASK;
- switch (clientTable[client].hashsize)
- {
- case 6:
- return ((int)(0x03F & (id ^ (id>>6) ^ (id>>12))));
- case 7:
- return ((int)(0x07F & (id ^ (id>>7) ^ (id>>13))));
- case 8:
- return ((int)(0x0FF & (id ^ (id>>8) ^ (id>>16))));
- case 9:
- return ((int)(0x1FF & (id ^ (id>>9))));
- case 10:
- return ((int)(0x3FF & (id ^ (id>>10))));
- case 11:
- return ((int)(0x7FF & (id ^ (id>>11))));
- }
- return -1;
-}
-
-static XID
-AvailableID(
- register int client,
- register XID id,
- register XID maxid,
- register XID goodid)
-{
- register ResourcePtr res;
-
- if ((goodid >= id) && (goodid <= maxid))
- return goodid;
- for (; id <= maxid; id++)
- {
- res = clientTable[client].resources[Hash(client, id)];
- while (res && (res->id != id))
- res = res->next;
- if (!res)
- return id;
- }
- return 0;
-}
-
-void
-GetXIDRange(int client, Bool server, XID *minp, XID *maxp)
-{
- register XID id, maxid;
- register ResourcePtr *resp;
- register ResourcePtr res;
- register int i;
- XID goodid;
-
- id = (Mask)client << CLIENTOFFSET;
- if (server)
- id |= client ? SERVER_BIT : SERVER_MINID;
- maxid = id | RESOURCE_ID_MASK;
- goodid = 0;
- for (resp = clientTable[client].resources, i = clientTable[client].buckets;
- --i >= 0;)
- {
- for (res = *resp++; res; res = res->next)
- {
- if ((res->id < id) || (res->id > maxid))
- continue;
- if (((res->id - id) >= (maxid - res->id)) ?
- (goodid = AvailableID(client, id, res->id - 1, goodid)) :
- !(goodid = AvailableID(client, res->id + 1, maxid, goodid)))
- maxid = res->id - 1;
- else
- id = res->id + 1;
- }
- }
- if (id > maxid)
- id = maxid = 0;
- *minp = id;
- *maxp = maxid;
-}
-
-/**
- * GetXIDList is called by the XC-MISC extension's MiscGetXIDList function.
- * This function tries to find count unused XIDs for the given client. It
- * puts the IDs in the array pids and returns the number found, which should
- * almost always be the number requested.
- *
- * The circumstances that lead to a call to this function are very rare.
- * Xlib must run out of IDs while trying to generate a request that wants
- * multiple ID's, like the Multi-buffering CreateImageBuffers request.
- *
- * No rocket science in the implementation; just iterate over all
- * possible IDs for the given client and pick the first count IDs
- * that aren't in use. A more efficient algorithm could probably be
- * invented, but this will be used so rarely that this should suffice.
- */
-
-unsigned int
-GetXIDList(ClientPtr pClient, unsigned count, XID *pids)
-{
- unsigned int found = 0;
- XID id = pClient->clientAsMask;
- XID maxid;
-
- maxid = id | RESOURCE_ID_MASK;
- while ( (found < count) && (id <= maxid) )
- {
- if (!LookupIDByClass(id, RC_ANY))
- {
- pids[found++] = id;
- }
- id++;
- }
- return found;
-}
-
-/*
- * Return the next usable fake client ID.
- *
- * Normally this is just the next one in line, but if we've used the last
- * in the range, we need to find a new range of safe IDs to avoid
- * over-running another client.
- */
-
-XID
-FakeClientID(register int client)
-{
- XID id, maxid;
-
- id = clientTable[client].fakeID++;
- if (id != clientTable[client].endFakeID)
- return id;
- GetXIDRange(client, TRUE, &id, &maxid);
- if (!id) {
- if (!client)
- FatalError("FakeClientID: server internal ids exhausted\n");
- MarkClientException(clients[client]);
- id = ((Mask)client << CLIENTOFFSET) | (SERVER_BIT * 3);
- maxid = id | RESOURCE_ID_MASK;
- }
- clientTable[client].fakeID = id + 1;
- clientTable[client].endFakeID = maxid + 1;
- return id;
-}
-
#ifdef NXAGENT_SERVER
-
int nxagentFindClientResource(int client, RESTYPE type, void * value)
{
ResourcePtr pResource;
@@ -548,8 +224,7 @@ int nxagentSwitchResourceType(int client, RESTYPE type, void * value)
return 0;
}
-
-#endif
+#endif /* NXAGENT_SERVER */
Bool
AddResource(XID id, RESTYPE type, void * value)
@@ -602,55 +277,6 @@ AddResource(XID id, RESTYPE type, void * value)
return TRUE;
}
-static void
-RebuildTable(int client)
-{
- register int j;
- register ResourcePtr res, next;
- ResourcePtr **tails, *resources;
- register ResourcePtr **tptr, *rptr;
-
- /*
- * For now, preserve insertion order, since some ddx layers depend
- * on resources being free in the opposite order they are added.
- */
-
- j = 2 * clientTable[client].buckets;
- tails = (ResourcePtr **)ALLOCATE_LOCAL(j * sizeof(ResourcePtr *));
- if (!tails)
- return;
- resources = (ResourcePtr *)xalloc(j * sizeof(ResourcePtr));
- if (!resources)
- {
- DEALLOCATE_LOCAL(tails);
- return;
- }
- for (rptr = resources, tptr = tails; --j >= 0; rptr++, tptr++)
- {
- *rptr = NullResource;
- *tptr = rptr;
- }
- clientTable[client].hashsize++;
- for (j = clientTable[client].buckets,
- rptr = clientTable[client].resources;
- --j >= 0;
- rptr++)
- {
- for (res = *rptr; res; res = next)
- {
- next = res->next;
- res->next = NullResource;
- tptr = &tails[Hash(client, res->id)];
- **tptr = res;
- *tptr = &res->next;
- }
- }
- DEALLOCATE_LOCAL(tails);
- clientTable[client].buckets *= 2;
- xfree(clientTable[client].resources);
- clientTable[client].resources = resources;
-}
-
void
FreeResource(XID id, RESTYPE skipDeleteFuncType)
{
@@ -732,32 +358,6 @@ FreeResourceByType(XID id, RESTYPE type, Bool skipFree)
}
}
-/*
- * Change the value associated with a resource id. Caller
- * is responsible for "doing the right thing" with the old
- * data
- */
-
-Bool
-ChangeResourceValue (XID id, RESTYPE rtype, void * value)
-{
- int cid;
- register ResourcePtr res;
-
- if (((cid = CLIENT_ID(id)) < MAXCLIENTS) && clientTable[cid].buckets)
- {
- res = clientTable[cid].resources[Hash(cid, id)];
-
- for (; res; res = res->next)
- if ((res->id == id) && (res->type == rtype))
- {
- res->value = value;
- return TRUE;
- }
- }
- return FALSE;
-}
-
/* Note: if func adds or deletes resources, then func can get called
* more than once for some resources. If func adds new resources,
* func might or might not get called for them. func cannot both
@@ -988,243 +588,3 @@ RestartLoop:
}
return NULL;
}
-
-
-void
-FreeClientNeverRetainResources(ClientPtr client)
-{
- ResourcePtr *resources;
- ResourcePtr this;
- ResourcePtr *prev;
- int j;
-
- if (!client)
- return;
-
- resources = clientTable[client->index].resources;
- for (j=0; j < clientTable[client->index].buckets; j++)
- {
- prev = &resources[j];
- while ( (this = *prev) )
- {
- RESTYPE rtype = this->type;
- if (rtype & RC_NEVERRETAIN)
- {
- *prev = this->next;
- (*DeleteFuncs[rtype & TypeMask])(this->value, this->id);
- xfree(this);
- }
- else
- prev = &this->next;
- }
- }
-}
-
-void
-FreeClientResources(ClientPtr client)
-{
- register ResourcePtr *resources;
- register ResourcePtr this;
- int j;
-
- /* This routine shouldn't be called with a null client, but just in
- case ... */
-
- if (!client)
- return;
-
- HandleSaveSet(client);
-
- resources = clientTable[client->index].resources;
- for (j=0; j < clientTable[client->index].buckets; j++)
- {
- /* It may seem silly to update the head of this resource list as
- we delete the members, since the entire list will be deleted any way,
- but there are some resource deletion functions "FreeClientPixels" for
- one which do a LookupID on another resource id (a Colormap id in this
- case), so the resource list must be kept valid up to the point that
- it is deleted, so every time we delete a resource, we must update the
- head, just like in FreeResource. I hope that this doesn't slow down
- mass deletion appreciably. PRH */
-
- ResourcePtr *head;
-
- head = &resources[j];
-
- for (this = *head; this; this = *head)
- {
- RESTYPE rtype = this->type;
- *head = this->next;
- (*DeleteFuncs[rtype & TypeMask])(this->value, this->id);
- xfree(this);
- }
- }
- xfree(clientTable[client->index].resources);
- clientTable[client->index].resources = NULL;
- clientTable[client->index].buckets = 0;
-}
-
-void
-FreeAllResources()
-{
- int i;
-
- for (i = currentMaxClients; --i >= 0; )
- {
- if (clientTable[i].buckets)
- FreeClientResources(clients[i]);
- }
-}
-
-Bool
-LegalNewID(XID id, register ClientPtr client)
-{
-
-#ifdef PANORAMIX
- XID minid, maxid;
-
- if (!noPanoramiXExtension) {
- minid = client->clientAsMask | (client->index ?
- SERVER_BIT : SERVER_MINID);
- maxid = (clientTable[client->index].fakeID | RESOURCE_ID_MASK) + 1;
- if ((id >= minid) && (id <= maxid))
- return TRUE;
- }
-#endif /* PANORAMIX */
- return ((client->clientAsMask == (id & ~RESOURCE_ID_MASK)) &&
- ((clientTable[client->index].expectID <= id) ||
- !LookupIDByClass(id, RC_ANY)));
-}
-
-#ifdef XCSECURITY
-
-/* SecurityLookupIDByType and SecurityLookupIDByClass:
- * These are the heart of the resource ID security system. They take
- * two additional arguments compared to the old LookupID functions:
- * the client doing the lookup, and the access mode (see resource.h).
- * The resource is returned if it exists and the client is allowed access,
- * else NULL is returned.
- */
-
-void *
-SecurityLookupIDByType(ClientPtr client, XID id, RESTYPE rtype, Mask mode)
-{
- int cid;
- register ResourcePtr res;
- void * retval = NULL;
-
- assert(client == NullClient ||
- (client->index <= currentMaxClients && clients[client->index] == client));
- assert( (rtype & TypeMask) <= lastResourceType);
-
- if (((cid = CLIENT_ID(id)) < MAXCLIENTS) &&
- clientTable[cid].buckets)
- {
- res = clientTable[cid].resources[Hash(cid, id)];
-
- for (; res; res = res->next)
- if ((res->id == id) && (res->type == rtype))
- {
- retval = res->value;
- break;
- }
- }
- if (retval && client && client->CheckAccess)
- retval = (* client->CheckAccess)(client, id, rtype, mode, retval);
- return retval;
-}
-
-
-void *
-SecurityLookupIDByClass(ClientPtr client, XID id, RESTYPE classes, Mask mode)
-{
- int cid;
- register ResourcePtr res = NULL;
- void * retval = NULL;
-
- assert(client == NullClient ||
- (client->index <= currentMaxClients && clients[client->index] == client));
- assert (classes >= lastResourceClass);
-
- if (((cid = CLIENT_ID(id)) < MAXCLIENTS) &&
- clientTable[cid].buckets)
- {
- res = clientTable[cid].resources[Hash(cid, id)];
-
- for (; res; res = res->next)
- if ((res->id == id) && (res->type & classes))
- {
- retval = res->value;
- break;
- }
- }
- if (retval && client && client->CheckAccess)
- retval = (* client->CheckAccess)(client, id, res->type, mode, retval);
- return retval;
-}
-
-/* We can't replace the LookupIDByType and LookupIDByClass functions with
- * macros because of compatibility with loadable servers.
- */
-
-void *
-LookupIDByType(XID id, RESTYPE rtype)
-{
- return SecurityLookupIDByType(NullClient, id, rtype,
- SecurityUnknownAccess);
-}
-
-void *
-LookupIDByClass(XID id, RESTYPE classes)
-{
- return SecurityLookupIDByClass(NullClient, id, classes,
- SecurityUnknownAccess);
-}
-
-#else /* not XCSECURITY */
-
-/*
- * LookupIDByType returns the object with the given id and type, else NULL.
- */
-void *
-LookupIDByType(XID id, RESTYPE rtype)
-{
- int cid;
- register ResourcePtr res;
-
- if (((cid = CLIENT_ID(id)) < MAXCLIENTS) &&
- clientTable[cid].buckets)
- {
- res = clientTable[cid].resources[Hash(cid, id)];
-
- for (; res; res = res->next)
- if ((res->id == id) && (res->type == rtype))
- return res->value;
- }
- return (void *)NULL;
-}
-
-/*
- * LookupIDByClass returns the object with the given id and any one of the
- * given classes, else NULL.
- */
-void *
-LookupIDByClass(XID id, RESTYPE classes)
-{
- int cid;
- register ResourcePtr res;
-
- if (((cid = CLIENT_ID(id)) < MAXCLIENTS) &&
- clientTable[cid].buckets)
- {
- res = clientTable[cid].resources[Hash(cid, id)];
-
- for (; res; res = res->next)
- if ((res->id == id) && (res->type & classes))
- return res->value;
- }
- return (void *)NULL;
-}
-
-#endif /* XCSECURITY */
-