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-rw-r--r--doc/nx-X11_vs_XOrg69_patches/NXresource.c.NX.patch426
1 files changed, 426 insertions, 0 deletions
diff --git a/doc/nx-X11_vs_XOrg69_patches/NXresource.c.NX.patch b/doc/nx-X11_vs_XOrg69_patches/NXresource.c.NX.patch
new file mode 100644
index 000000000..3c7f45e46
--- /dev/null
+++ b/doc/nx-X11_vs_XOrg69_patches/NXresource.c.NX.patch
@@ -0,0 +1,426 @@
+--- ./nx-X11/programs/Xserver/hw/nxagent/X/NXresource.c.X.original 2015-02-13 14:03:44.748441432 +0100
++++ ./nx-X11/programs/Xserver/hw/nxagent/X/NXresource.c 2015-02-10 19:13:13.820685287 +0100
+@@ -1,3 +1,20 @@
++/**************************************************************************/
++/* */
++/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/. */
++/* */
++/* NXAGENT, NX protocol compression and NX extensions to this software */
++/* are copyright of NoMachine. Redistribution and use of the present */
++/* software is allowed according to terms specified in the file LICENSE */
++/* which comes in the source distribution. */
++/* */
++/* Check http://www.nomachine.com/licensing.html for applicability. */
++/* */
++/* NX and NoMachine are trademarks of Medialogic S.p.A. */
++/* */
++/* All rights reserved. */
++/* */
++/**************************************************************************/
++
+ /************************************************************
+
+ Copyright 1987, 1998 The Open Group
+@@ -125,6 +142,20 @@
+ #endif
+ #include <assert.h>
+
++#ifdef NXAGENT_SERVER
++
++#include "Agent.h"
++#include "Font.h"
++#include "Pixmaps.h"
++#include "GCs.h"
++
++#define PANIC
++#define WARNING
++#undef TEST
++#undef DEBUG
++
++#endif
++
+ static void RebuildTable(
+ int /*client*/
+ );
+@@ -170,6 +201,10 @@
+
+ #endif
+
++#ifdef NXAGENT_SERVER
++static int nxagentResChangedFlag = 0;
++#endif
++
+ RESTYPE
+ CreateNewResourceType(DeleteType deleteFunc)
+ {
+@@ -422,13 +457,107 @@
+ return id;
+ }
+
++#ifdef NXAGENT_SERVER
++
++int nxagentFindClientResource(int client, RESTYPE type, pointer value)
++{
++ ResourcePtr pResource;
++ ResourcePtr *resources;
++
++ int i;
++
++ for (i = 0; i < clientTable[client].buckets; i++)
++ {
++ resources = clientTable[client].resources;
++
++ for (pResource = resources[i]; pResource; pResource = pResource -> next)
++ {
++ if (pResource -> type == type && pResource -> value == value)
++ {
++ #ifdef TEST
++ fprintf(stderr, "nxagentFindClientResource: Found resource [%p] type [%lu] "
++ "for client [%d].\n", (void *) value,
++ pResource -> type, client);
++ #endif
++
++ return 1;
++ }
++ }
++ }
++
++ return 0;
++}
++
++int nxagentSwitchResourceType(int client, RESTYPE type, pointer value)
++{
++ ResourcePtr pResource;
++ ResourcePtr *resources;
++
++ RESTYPE internalType = 0;
++
++ int i;
++
++ if (type == RT_PIXMAP)
++ {
++ internalType = RT_NX_PIXMAP;
++ }
++ else if (type == RT_GC)
++ {
++ internalType = RT_NX_GC;
++ }
++ else if (type == RT_FONT)
++ {
++ internalType = RT_NX_FONT;
++ }
++ else
++ {
++ return 0;
++ }
++
++ if (client == serverClient -> index)
++ {
++ #ifdef TEST
++ fprintf(stderr, "nxagentSwitchResourceType: Requesting client is [%d]. Skipping the resource switch.\n",
++ client);
++ #endif
++
++ return 0;
++ }
++
++ for (i = 0; i < clientTable[serverClient -> index].buckets; i++)
++ {
++ resources = clientTable[serverClient -> index].resources;
++
++ for (pResource = resources[i]; pResource; pResource = pResource -> next)
++ {
++ if (pResource -> type == internalType &&
++ pResource -> value == value)
++ {
++ #ifdef TEST
++ fprintf(stderr, "nxagentSwitchResourceType: Changing resource [%p] type from [%lu] to "
++ "[%lu] for server client [%d].\n", (void *) value,
++ (unsigned long) pResource -> type, (unsigned long) type, serverClient -> index);
++ #endif
++
++ FreeResource(pResource -> id, RT_NONE);
++
++ return 1;
++ }
++ }
++ }
++
++ return 0;
++}
++
++#endif
++
+ Bool
+ AddResource(XID id, RESTYPE type, pointer value)
+ {
+ int client;
+ register ClientResourceRec *rrec;
+ register ResourcePtr res, *head;
+-
++
+ client = CLIENT_ID(id);
+ rrec = &clientTable[client];
+ if (!rrec->buckets)
+@@ -437,6 +566,18 @@
+ (unsigned long)id, type, (unsigned long)value, client);
+ FatalError("client not in use\n");
+ }
++
++#ifdef NXAGENT_SERVER
++
++ nxagentSwitchResourceType(client, type, value);
++
++ #ifdef TEST
++ fprintf(stderr, "AddResource: Adding resource for client [%d] type [%lu] value [%p] id [%lu].\n",
++ client, (unsigned long) type, (void *) value, (unsigned long) id);
++ #endif
++
++#endif
++
+ if ((rrec->elements >= 4*rrec->buckets) &&
+ (rrec->hashsize < MAXHASHSIZE))
+ RebuildTable(client);
+@@ -453,6 +594,9 @@
+ res->value = value;
+ *head = res;
+ rrec->elements++;
++ #ifdef NXAGENT_SERVER
++ nxagentResChangedFlag = 1;
++ #endif
+ if (!(id & SERVER_BIT) && (id >= rrec->expectID))
+ rrec->expectID = id + 1;
+ return TRUE;
+@@ -517,6 +661,14 @@
+ int elements;
+ Bool gotOne = FALSE;
+
++#ifdef NXAGENT_SERVER
++
++ #ifdef TEST
++ fprintf(stderr, "FreeResource: Freeing resource id [%lu].\n", (unsigned long) id);
++ #endif
++
++#endif
++
+ if (((cid = CLIENT_ID(id)) < MAXCLIENTS) && clientTable[cid].buckets)
+ {
+ head = &clientTable[cid].resources[Hash(cid, id)];
+@@ -530,6 +682,9 @@
+ RESTYPE rtype = res->type;
+ *prev = res->next;
+ elements = --*eltptr;
++ #ifdef NXAGENT_SERVER
++ nxagentResChangedFlag = 1;
++ #endif
+ if (rtype & RC_CACHED)
+ FlushClientCaches(res->id);
+ if (rtype != skipDeleteFuncType)
+@@ -570,6 +725,9 @@
+ if (res->id == id && res->type == type)
+ {
+ *prev = res->next;
++ #ifdef NXAGENT_SERVER
++ nxagentResChangedFlag = 1;
++ #endif
+ if (type & RC_CACHED)
+ FlushClientCaches(res->id);
+ if (!skipFree)
+@@ -634,10 +792,28 @@
+ int i, elements;
+ register int *eltptr;
+
++ #ifdef NXAGENT_SERVER
++ register ResourcePtr **resptr;
++ #endif
++
+ if (!client)
+ client = serverClient;
+
++/*
++ * If func triggers a resource table
++ * rebuild then restart the loop.
++ */
++
++#ifdef NXAGENT_SERVER
++RestartLoop:
++#endif
++
+ resources = clientTable[client->index].resources;
++
++ #ifdef NXAGENT_SERVER
++ resptr = &clientTable[client->index].resources;
++ #endif
++
+ eltptr = &clientTable[client->index].elements;
+ for (i = 0; i < clientTable[client->index].buckets; i++)
+ {
+@@ -646,8 +822,44 @@
+ next = this->next;
+ if (!type || this->type == type) {
+ elements = *eltptr;
++
++ /*
++ * FIXME:
++ * It is not safe to let a function change the resource
++ * table we are reading!
++ */
++
++ #ifdef NXAGENT_SERVER
++ nxagentResChangedFlag = 0;
++ #endif
+ (*func)(this->value, this->id, cdata);
++
++ /*
++ * Avoid that a call to RebuildTable() could invalidate the
++ * pointer. This is safe enough, because in RebuildTable()
++ * the new pointer is allocated just before the old one is
++ * freed, so it can't point to the same address.
++ */
++
++ #ifdef NXAGENT_SERVER
++ if (*resptr != resources)
++ goto RestartLoop;
++ #endif
++
++ /*
++ * It's not enough to check if the number of elements has
++ * changed, beacause it could happen that the number of
++ * resources that have been added matches the number of
++ * the freed ones.
++ * 'nxagentResChangedFlag' is set if a resource has been
++ * added or freed.
++ */
++
++ #ifdef NXAGENT_SERVER
++ if (*eltptr != elements || nxagentResChangedFlag)
++ #else
+ if (*eltptr != elements)
++ #endif
+ next = resources[i]; /* start over */
+ }
+ }
+@@ -665,10 +877,28 @@
+ int i, elements;
+ register int *eltptr;
+
++ #ifdef NXAGENT_SERVER
++ register ResourcePtr **resptr;
++ #endif
++
+ if (!client)
+ client = serverClient;
+
++/*
++ * If func triggers a resource table
++ * rebuild then restart the loop.
++ */
++
++#ifdef NXAGENT_SERVER
++RestartLoop:
++#endif
++
+ resources = clientTable[client->index].resources;
++
++ #ifdef NXAGENT_SERVER
++ resptr = &clientTable[client->index].resources;
++ #endif
++
+ eltptr = &clientTable[client->index].elements;
+ for (i = 0; i < clientTable[client->index].buckets; i++)
+ {
+@@ -676,8 +906,44 @@
+ {
+ next = this->next;
+ elements = *eltptr;
++
++ /*
++ * FIXME:
++ * It is not safe to let a function change the resource
++ * table we are reading!
++ */
++
++ #ifdef NXAGENT_SERVER
++ nxagentResChangedFlag = 0;
++ #endif
+ (*func)(this->value, this->id, this->type, cdata);
++
++ /*
++ * Avoid that a call to RebuildTable() could invalidate the
++ * pointer. This is safe enough, because in RebuildTable()
++ * the new pointer is allocated just before the old one is
++ * freed, so it can't point to the same address.
++ */
++
++ #ifdef NXAGENT_SERVER
++ if (*resptr != resources)
++ goto RestartLoop;
++ #endif
++
++ /*
++ * It's not enough to check if the number of elements has
++ * changed, beacause it could happen that the number of
++ * resources that have been added matches the number of
++ * the freed ones.
++ * 'nxagentResChangedFlag' is set if a resource has been
++ * added or freed.
++ */
++
++ #ifdef NXAGENT_SERVER
++ if (*eltptr != elements || nxagentResChangedFlag)
++ #else
+ if (*eltptr != elements)
++ #endif
+ next = resources[i]; /* start over */
+ }
+ }
+@@ -695,15 +961,44 @@
+ ResourcePtr this;
+ int i;
+
++ #ifdef NXAGENT_SERVER
++ ResourcePtr **resptr;
++ Bool res;
++ #endif
++
+ if (!client)
+ client = serverClient;
+
++/*
++ * If func triggers a resource table
++ * rebuild then restart the loop.
++ */
++
++#ifdef NXAGENT_SERVER
++RestartLoop:
++#endif
++
+ resources = clientTable[client->index].resources;
++
++ #ifdef NXAGENT_SERVER
++ resptr = &clientTable[client->index].resources;
++ #endif
++
+ for (i = 0; i < clientTable[client->index].buckets; i++) {
+ for (this = resources[i]; this; this = this->next) {
+ if (!type || this->type == type) {
++ #ifdef NXAGENT_SERVER
++ res = (*func)(this->value, this->id, cdata);
++
++ if (*resptr != resources)
++ goto RestartLoop;
++
++ if (res)
++ return this->value;
++ #else
+ if((*func)(this->value, this->id, cdata))
+ return this->value;
++ #endif
+ }
+ }
+ }
+@@ -952,3 +1247,4 @@
+ }
+
+ #endif /* XCSECURITY */
++
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 16:23:51 +0000