security/sandbox/chromium/base/critical_closure.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/security/sandbox/chromium/base/critical_closure.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,37 @@
     1.4 +// Copyright (c) 2012 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_CRITICAL_CLOSURE_H_
     1.9 +#define BASE_CRITICAL_CLOSURE_H_
    1.10 +
    1.11 +#include "base/callback.h"
    1.12 +
    1.13 +namespace base {
    1.14 +
    1.15 +// Returns a closure that will continue to run for a period of time when the
    1.16 +// application goes to the background if possible on platforms where
    1.17 +// applications don't execute while backgrounded, otherwise the original task is
    1.18 +// returned.
    1.19 +//
    1.20 +// Example:
    1.21 +//   file_message_loop_proxy_->PostTask(
    1.22 +//       FROM_HERE,
    1.23 +//       MakeCriticalClosure(base::Bind(&WriteToDiskTask, path_, data)));
    1.24 +//
    1.25 +// Note new closures might be posted in this closure. If the new closures need
    1.26 +// background running time, |MakeCriticalClosure| should be applied on them
    1.27 +// before posting.
    1.28 +#if defined(OS_IOS)
    1.29 +base::Closure MakeCriticalClosure(const base::Closure& closure);
    1.30 +#else
    1.31 +inline base::Closure MakeCriticalClosure(const base::Closure& closure) {
    1.32 +  // No-op for platforms where the application does not need to acquire
    1.33 +  // background time for closures to finish when it goes into the background.
    1.34 +  return closure;
    1.35 +}
    1.36 +#endif  // !defined(OS_IOS)
    1.37 +
    1.38 +}  // namespace base
    1.39 +
    1.40 +#endif  // BASE_CRITICAL_CLOSURE_H_

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