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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /ipc/chromium/src/base/scoped_nsautorelease_pool.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'ipc/chromium/src/base/scoped_nsautorelease_pool.h')
-rw-r--r-- | ipc/chromium/src/base/scoped_nsautorelease_pool.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/ipc/chromium/src/base/scoped_nsautorelease_pool.h b/ipc/chromium/src/base/scoped_nsautorelease_pool.h new file mode 100644 index 000000000..2136b9127 --- /dev/null +++ b/ipc/chromium/src/base/scoped_nsautorelease_pool.h @@ -0,0 +1,54 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +// Copyright (c) 2008 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 BASE_SCOPED_NSAUTORELEASE_POOL_H_ +#define BASE_SCOPED_NSAUTORELEASE_POOL_H_ + +#include "base/basictypes.h" + +#if defined(OS_MACOSX) +#if defined(__OBJC__) +@class NSAutoreleasePool; +#else // __OBJC__ +class NSAutoreleasePool; +#endif // __OBJC__ +#endif // OS_MACOSX + +namespace base { + +// On the Mac, ScopedNSAutoreleasePool allocates an NSAutoreleasePool when +// instantiated and sends it a -drain message when destroyed. This allows an +// autorelease pool to be maintained in ordinary C++ code without bringing in +// any direct Objective-C dependency. +// +// On other platforms, ScopedNSAutoreleasePool is an empty object with no +// effects. This allows it to be used directly in cross-platform code without +// ugly #ifdefs. +class ScopedNSAutoreleasePool { + public: +#if !defined(OS_MACOSX) + ScopedNSAutoreleasePool() {} + void Recycle() { } +#else // OS_MACOSX + ScopedNSAutoreleasePool(); + ~ScopedNSAutoreleasePool(); + + // Clear out the pool in case its position on the stack causes it to be + // alive for long periods of time (such as the entire length of the app). + // Only use then when you're certain the items currently in the pool are + // no longer needed. + void Recycle(); + private: + NSAutoreleasePool* autorelease_pool_; +#endif // OS_MACOSX + + private: + DISALLOW_COPY_AND_ASSIGN(ScopedNSAutoreleasePool); +}; + +} // namespace base + +#endif // BASE_SCOPED_NSAUTORELEASE_POOL_H_ |