atomic create MO file: use tmp and rename to right name

pear · Jan 28, 2012 · 7614cea · 7614cea
1 parent 3a822b6
commit 7614cea
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/Gettext/MO.php b/Gettext/MO.php
@@ -309,8 +309,10 @@ function save($file = null)
             $file = $this->file;
         }
 
+        $tmpfile = $file . "." . getmypid();
+
         // open MO file
-        if (!is_resource($this->_handle = @fopen($file, 'wb'))) {
+        if (!is_resource($this->_handle = @fopen($tmpfile, 'wb'))) {
             return parent::raiseError($php_errormsg . ' ' . $file);
         }
         // lock MO file exclusively
@@ -421,6 +423,9 @@ function save($file = null)
         // done
         @flock($this->_handle, LOCK_UN);
         @fclose($this->_handle);
+
+        @rename($tmpfile, $file);
+        @unlink($tmpfile);
         return true;
     }
 }