CF-1151.16.tar.gz

[apple/cf.git] / CFXMLParser.c

diff --git a/CFXMLParser.c b/CFXMLParser.c
index f4635ca05d60d55982fd962215476e9f6e863c5a..a12834357cf2fa59c6d865ef4eb9da7ec9cc2af9 100644 (file)
--- a/CFXMLParser.c
+++ b/CFXMLParser.c
@@ -2,14 +2,14 @@
  * Copyright (c) 2014 Apple Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
- * 
+ *
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
  * compliance with the License. Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this
  * file.
- * 
+ *
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -17,12 +17,12 @@
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.
- * 
+ *
  * @APPLE_LICENSE_HEADER_END@
  */
 
 /*     CFXMLParser.c
-       Copyright (c) 1999-2013, Apple Inc. All rights reserved.
+       Copyright (c) 1999-2014, Apple Inc. All rights reserved.
        Responsibility: David Smith
 */
 
@@ -89,12 +89,9 @@ static const CFRuntimeClass __CFXMLParserClass = {
     __CFXMLParserCopyDescription
 };
 
-static void __CFXMLParserInitialize(void) {
-    __kCFXMLParserTypeID = _CFRuntimeRegisterClass(&__CFXMLParserClass);
-}
-
 CFTypeID CFXMLParserGetTypeID(void) {
-    if (_kCFRuntimeNotATypeID == __kCFXMLParserTypeID) __CFXMLParserInitialize();
+    static dispatch_once_t initOnce;
+    dispatch_once(&initOnce, ^{ __kCFXMLParserTypeID = _CFRuntimeRegisterClass(&__CFXMLParserClass); });
     return __kCFXMLParserTypeID;
 }