diff options
Diffstat (limited to 'doc/nx-X11_vs_XOrg69_patches/nx-X11_programs_Xserver_hw_nxagent_X_NXresource.c.X.original')
| -rw-r--r-- | doc/nx-X11_vs_XOrg69_patches/nx-X11_programs_Xserver_hw_nxagent_X_NXresource.c.X.original | 426 |
1 files changed, 426 insertions, 0 deletions
diff --git a/doc/nx-X11_vs_XOrg69_patches/nx-X11_programs_Xserver_hw_nxagent_X_NXresource.c.X.original b/doc/nx-X11_vs_XOrg69_patches/nx-X11_programs_Xserver_hw_nxagent_X_NXresource.c.X.original new file mode 100644 index 000000000..3c7f45e46 --- /dev/null +++ b/doc/nx-X11_vs_XOrg69_patches/nx-X11_programs_Xserver_hw_nxagent_X_NXresource.c.X.original @@ -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 */ ++ |