content/child/scoped_child_process_reference.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/child/scoped_child_process_reference.h"
   6
   7 #include "base/bind.h"
   8 #include "base/time/time.h"
   9 #include "content/child/child_process.h"
  10
  11 namespace content {
  12
  13 ScopedChildProcessReference::ScopedChildProcessReference()
  14     : has_reference_(true) {
  15   ChildProcess::current()->AddRefProcess();
  16 }
  17
  18 ScopedChildProcessReference::~ScopedChildProcessReference() {
  19   if (has_reference_)
  20     ChildProcess::current()->ReleaseProcess();
  21 }
  22
  23 void ScopedChildProcessReference::ReleaseWithDelay(
  24     const base::TimeDelta& delay) {
  25   DCHECK(has_reference_);
  26   base::MessageLoop::current()->PostDelayedTask(
  27       FROM_HERE,
  28       base::Bind(&ChildProcess::ReleaseProcess,
  29                  base::Unretained(ChildProcess::current())),
  30       delay);
  31   has_reference_ = false;
  32 }
  33
  34 }  // namespace content