ntdll: Implementation of inter-process VirtualProtectEx.

server/protocol.def

diff --git a/server/protocol.def b/server/protocol.def
index b24e275..8c40e10 100644
--- a/server/protocol.def
+++ b/server/protocol.def
@@ -233,7 +233,8 @@
     APC_ASYNC_IO,
     APC_VIRTUAL_ALLOC,
     APC_VIRTUAL_FREE,
-    APC_VIRTUAL_QUERY
+    APC_VIRTUAL_QUERY,
+    APC_VIRTUAL_PROTECT
 };
 
 typedef union
@@ -281,6 +282,13 @@
         enum apc_type    type;      /* APC_VIRTUAL_QUERY */
         const void      *addr;      /* requested address */
     } virtual_query;
+    struct
+    {
+        enum apc_type    type;      /* APC_VIRTUAL_PROTECT */
+        void            *addr;      /* requested address */
+        unsigned long    size;      /* requested address */
+        unsigned int     prot;      /* new protection flags */
+    } virtual_protect;
 } apc_call_t;
 
 typedef union
@@ -312,6 +320,14 @@
         unsigned int     alloc_prot;/* resulting allocation protection */
         unsigned int     alloc_type;/* resulting region allocation type */
     } virtual_query;
+    struct
+    {
+        enum apc_type    type;      /* APC_VIRTUAL_PROTECT */
+        unsigned int     status;    /* status returned by call */
+        void            *addr;      /* resulting address */
+        unsigned long    size;      /* resulting size */
+        unsigned int     prot;      /* old protection flags */
+    } virtual_protect;
 } apc_result_t;
 
 /****************************************************************/

server/thread.c

diff --git a/server/thread.c b/server/thread.c
index 62bd559..35484a4 100644
--- a/server/thread.c
+++ b/server/thread.c
@@ -1157,6 +1157,7 @@
     case APC_VIRTUAL_ALLOC:
     case APC_VIRTUAL_FREE:
     case APC_VIRTUAL_QUERY:
+    case APC_VIRTUAL_PROTECT:
         access = (apc->call.type == APC_VIRTUAL_QUERY) ? PROCESS_QUERY_INFORMATION : PROCESS_VM_OPERATION;
         if ((process = get_process_from_handle( req->process, access )))
         {

server/trace.c

diff --git a/server/trace.c b/server/trace.c
index 2b9ee8c..b878c02 100644
--- a/server/trace.c
+++ b/server/trace.c
@@ -133,6 +133,11 @@
     case APC_VIRTUAL_QUERY:
         fprintf( stderr, "APC_VIRTUAL_QUERY,addr=%p", call->virtual_query.addr );
         break;
+    case APC_VIRTUAL_PROTECT:
+        fprintf( stderr, "APC_VIRTUAL_PROTECT,addr=%p,size=%lu,prot=%x",
+                 call->virtual_protect.addr, call->virtual_protect.size,
+                 call->virtual_protect.prot );
+        break;
     default:
         fprintf( stderr, "type=%u", call->type );
         break;
@@ -165,6 +170,12 @@
                  result->virtual_query.prot, result->virtual_query.alloc_prot,
                  result->virtual_query.alloc_type );
         break;
+    case APC_VIRTUAL_PROTECT:
+        fprintf( stderr, "APC_VIRTUAL_PROTECT,status=%s,addr=%p,size=%lu,prot=%x",
+                 get_status_name( result->virtual_protect.status ),
+                 result->virtual_protect.addr, result->virtual_protect.size,
+                 result->virtual_protect.prot );
+        break;
     default:
         fprintf( stderr, "type=%u", result->type );
         break;