1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/ipc/chromium/src/base/scoped_nsautorelease_pool.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,52 @@
1.4 +// Copyright (c) 2008 The Chromium Authors. All rights reserved.
1.5 +// Use of this source code is governed by a BSD-style license that can be
1.6 +// found in the LICENSE file.
1.7 +
1.8 +#ifndef BASE_SCOPED_NSAUTORELEASE_POOL_H_
1.9 +#define BASE_SCOPED_NSAUTORELEASE_POOL_H_
1.10 +
1.11 +#include "base/basictypes.h"
1.12 +
1.13 +#if defined(OS_MACOSX)
1.14 +#if defined(__OBJC__)
1.15 +@class NSAutoreleasePool;
1.16 +#else // __OBJC__
1.17 +class NSAutoreleasePool;
1.18 +#endif // __OBJC__
1.19 +#endif // OS_MACOSX
1.20 +
1.21 +namespace base {
1.22 +
1.23 +// On the Mac, ScopedNSAutoreleasePool allocates an NSAutoreleasePool when
1.24 +// instantiated and sends it a -drain message when destroyed. This allows an
1.25 +// autorelease pool to be maintained in ordinary C++ code without bringing in
1.26 +// any direct Objective-C dependency.
1.27 +//
1.28 +// On other platforms, ScopedNSAutoreleasePool is an empty object with no
1.29 +// effects. This allows it to be used directly in cross-platform code without
1.30 +// ugly #ifdefs.
1.31 +class ScopedNSAutoreleasePool {
1.32 + public:
1.33 +#if !defined(OS_MACOSX)
1.34 + ScopedNSAutoreleasePool() {}
1.35 + void Recycle() { }
1.36 +#else // OS_MACOSX
1.37 + ScopedNSAutoreleasePool();
1.38 + ~ScopedNSAutoreleasePool();
1.39 +
1.40 + // Clear out the pool in case its position on the stack causes it to be
1.41 + // alive for long periods of time (such as the entire length of the app).
1.42 + // Only use then when you're certain the items currently in the pool are
1.43 + // no longer needed.
1.44 + void Recycle();
1.45 + private:
1.46 + NSAutoreleasePool* autorelease_pool_;
1.47 +#endif // OS_MACOSX
1.48 +
1.49 + private:
1.50 + DISALLOW_COPY_AND_ASSIGN(ScopedNSAutoreleasePool);
1.51 +};
1.52 +
1.53 +} // namespace base
1.54 +
1.55 +#endif // BASE_SCOPED_NSAUTORELEASE_POOL_H_
