3 * Copyright 2008 Google Inc.
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6 * modification, are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
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11 * this list of conditions and the following disclaimer in the documentation
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28 // Automatically initialize and and free an autoreleasepool. Never allocate
29 // an instance of this class using "new" - that will result in a compile-time
30 // error. Only use it as a stack object.
32 // Note: NSAutoreleasePool docs say that you should not normally need to
33 // declare an NSAutoreleasePool as a member of an object - but there's nothing
34 // that indicates it will be a problem, as long as the stack lifetime of the
35 // pool exactly matches the stack lifetime of the object.
37 #ifndef TALK_BASE_SCOPED_AUTORELEASE_POOL_H__
38 #define TALK_BASE_SCOPED_AUTORELEASE_POOL_H__
40 #if defined(IOS) || defined(OSX)
42 #include "talk/base/common.h"
44 // This header may be included from Obj-C files or C++ files.
46 @class NSAutoreleasePool;
48 class NSAutoreleasePool;
53 class ScopedAutoreleasePool {
55 ScopedAutoreleasePool();
56 ~ScopedAutoreleasePool();
59 // Declaring private overrides of new and delete here enforces the "only use
60 // as a stack object" discipline.
62 // Note: new is declared as "throw()" to get around a gcc warning about new
63 // returning NULL, but this method will never get called and therefore will
64 // never actually throw any exception.
65 void* operator new(size_t size) throw() { return NULL; }
66 void operator delete (void* ptr) {}
68 NSAutoreleasePool* pool_;
70 DISALLOW_EVIL_CONSTRUCTORS(ScopedAutoreleasePool);
73 } // namespace talk_base
76 #endif // TALK_BASE_SCOPED_AUTORELEASE_POOL_H__