Implemented kernel32:SetThreadPriority on top of ntdll's equivalent

dlls/kernel/thread.c

@@ -416,16 +416,19 @@ BOOL WINAPI SetThreadPriority(
     HANDLE hthread, /* [in] Handle to thread */
     INT priority)   /* [in] Thread priority level */
 {
-    BOOL ret;
-    SERVER_START_REQ( set_thread_info )
+    DWORD       prio = priority;
+    NTSTATUS    status;
+
+    status = NtSetInformationThread(hthread, ThreadBasePriority,
+                                    &prio, sizeof(prio));
+
+    if (status)
     {
-        req->handle   = hthread;
-        req->priority = priority;
-        req->mask     = SET_THREAD_INFO_PRIORITY;
-        ret = !wine_server_call_err( req );
+        SetLastError( RtlNtStatusToDosError(status) );
+        return FALSE;
     }
-    SERVER_END_REQ;
-    return ret;
+
+    return TRUE;
 }
 
 

dlls/ntdll/thread.c

@@ -634,12 +634,25 @@ NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
                 status = wine_server_call( req );
             }
             SERVER_END_REQ;
+        }
         return status;
+    case ThreadBasePriority:
+        {
+            const DWORD *pprio = data;
+            if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
+            SERVER_START_REQ( set_thread_info )
+            {
+                req->handle   = handle;
+                req->priority = *pprio;
+                req->mask     = SET_THREAD_INFO_PRIORITY;
+                status = wine_server_call( req );
+            }
+            SERVER_END_REQ;
         }
+        return status;
     case ThreadBasicInformation:
     case ThreadTimes:
     case ThreadPriority:
-    case ThreadBasePriority:
     case ThreadAffinityMask:
     case ThreadDescriptorTableEntry:
     case ThreadEnableAlignmentFaultFixup: