check function_exists() once, do nothing if not exists...

diff --git a/includes/ProfilerStub.php b/includes/ProfilerStub.php
index 86cc622..edadd5e 100644 (file)
--- a/includes/ProfilerStub.php
+++ b/includes/ProfilerStub.php
@@ -2,17 +2,21 @@
 
 # Stub profiling functions
 
+$haveProctitle=function_exists("setproctitle");
 function wfProfileIn( $fn = '' ) {
-       global $hackwhere, $wgDBname;
-       $hackwhere[] = $fn;
-       if (function_exists("setproctitle"))
+       global $hackwhere, $wgDBname, $haveProctitle;
+       if ($haveProctitle) {
+               $hackwhere[] = $fn;
                setproctitle($fn . " [$wgDBname]");
+        }
 }
 function wfProfileOut( $fn = '' ) {
-       global $hackwhere, $wgDBname;
-       if (count($hackwhere))
+       global $hackwhere, $wgDBname, $haveProctitle;
+        if (!$haveProctitle)
+                return;
+        if (count($hackwhere))
                array_pop($hackwhere);
-       if (function_exists("setproctitle") && count($hackwhere))
+       if (count($hackwhere))
                setproctitle($hackwhere[count($hackwhere)-1] . " [$wgDBname]");
 }
 function wfGetProfilingOutput( $s, $e ) {}