38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_CRITICAL_CLOSURE_H_
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#define BASE_CRITICAL_CLOSURE_H_
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#include "base/callback.h"
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namespace base {
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// Returns a closure that will continue to run for a period of time when the
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// application goes to the background if possible on platforms where
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// applications don't execute while backgrounded, otherwise the original task is
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// returned.
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//
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// Example:
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// file_message_loop_proxy_->PostTask(
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// FROM_HERE,
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// MakeCriticalClosure(base::Bind(&WriteToDiskTask, path_, data)));
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//
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// Note new closures might be posted in this closure. If the new closures need
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// background running time, |MakeCriticalClosure| should be applied on them
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// before posting.
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#if defined(OS_IOS)
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base::Closure MakeCriticalClosure(const base::Closure& closure);
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#else
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inline base::Closure MakeCriticalClosure(const base::Closure& closure) {
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// No-op for platforms where the application does not need to acquire
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// background time for closures to finish when it goes into the background.
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return closure;
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}
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#endif // !defined(OS_IOS)
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} // namespace base
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#endif // BASE_CRITICAL_CLOSURE_H_
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