/* * Copyright (c) 2012-2014 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, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * 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@ */ #ifndef _SECDISPATCHRELEASE_H_ #define _SECDISPATCHRELEASE_H_ #include <dispatch/dispatch.h> #include <xpc/xpc.h> #define dispatch_retain_safe(DO) { \ __typeof__(DO) _do = (DO); \ if (_do) \ dispatch_retain(_do); \ } #define dispatch_release_safe(DO) { \ __typeof__(DO) _do = (DO); \ if (_do) \ dispatch_release(_do); \ } #define dispatch_release_null(DO) { \ __typeof__(DO) _do = (DO); \ if (_do) { \ (DO) = NULL; \ dispatch_release(_do); \ } \ } #define xpc_retain_safe(XO) { \ __typeof__(XO) _xo = (XO); \ if (_xo) \ xpc_retain(_xo); \ } #define xpc_release_safe(XO) { \ __typeof__(XO) _xo = (XO); \ if (_xo) \ xpc_release(_xo); \ } #define xpc_release_null(XO) { \ __typeof__(XO) _xo = (XO); \ if (_xo) { \ (XO) = NULL; \ xpc_release(_xo); \ } \ } #endif