| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_CRASH_CORE_COMMON_OBJC_ZOMBIE_H_ |
| #define COMPONENTS_CRASH_CORE_COMMON_OBJC_ZOMBIE_H_ |
| |
| #include <stddef.h> |
| |
| #include "build/build_config.h" |
| #include "components/crash/core/common/crash_export.h" |
| |
| // You should think twice every single time you use anything from this |
| // namespace. |
| namespace ObjcEvilDoers { |
| |
| // Enable zombie object debugging. This implements a variant of Apple's |
| // NSZombieEnabled which can help expose use-after-free errors where messages |
| // are sent to freed Objective-C objects in production builds. |
| // |
| // Returns NO if it fails to enable. |
| // |
| // When |zombieAllObjects| is YES, all objects inheriting from |
| // NSObject become zombies on -dealloc. If NO, -shouldBecomeCrZombie |
| // is queried to determine whether to make the object a zombie. |
| // |
| // |zombieCount| controls how many zombies to store before freeing the |
| // oldest. Set to 0 to free objects immediately after making them |
| // zombies. |
| bool CRASH_EXPORT ZombieEnable(bool zombieAllObjects, size_t zombieCount); |
| |
| // Disable zombies. |
| void CRASH_EXPORT ZombieDisable(); |
| |
| } // namespace ObjcEvilDoers |
| |
| #if defined(OS_MACOSX) |
| #if defined(__OBJC__) |
| |
| #import <Foundation/Foundation.h> |
| |
| @interface NSObject (CrZombie) |
| - (BOOL)shouldBecomeCrZombie; |
| @end |
| |
| #endif // __OBJC__ |
| #endif // OS_MACOSX |
| |
| #endif // COMPONENTS_CRASH_CORE_COMMON_OBJC_ZOMBIE_H_ |
