1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/security/sandbox/chromium/base/pending_task.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,60 @@
1.4 +// Copyright (c) 2011 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 PENDING_TASK_H_
1.9 +#define PENDING_TASK_H_
1.10 +
1.11 +#include <queue>
1.12 +
1.13 +#include "base/base_export.h"
1.14 +#include "base/callback.h"
1.15 +#include "base/location.h"
1.16 +#include "base/time/time.h"
1.17 +#include "base/tracking_info.h"
1.18 +
1.19 +namespace base {
1.20 +
1.21 +// Contains data about a pending task. Stored in TaskQueue and DelayedTaskQueue
1.22 +// for use by classes that queue and execute tasks.
1.23 +struct BASE_EXPORT PendingTask : public TrackingInfo {
1.24 +#if _MSC_VER >= 1700
1.25 + PendingTask();
1.26 +#endif
1.27 + PendingTask(const tracked_objects::Location& posted_from,
1.28 + const Closure& task);
1.29 + PendingTask(const tracked_objects::Location& posted_from,
1.30 + const Closure& task,
1.31 + TimeTicks delayed_run_time,
1.32 + bool nestable);
1.33 + ~PendingTask();
1.34 +
1.35 + // Used to support sorting.
1.36 + bool operator<(const PendingTask& other) const;
1.37 +
1.38 + // The task to run.
1.39 + Closure task;
1.40 +
1.41 + // The site this PendingTask was posted from.
1.42 + tracked_objects::Location posted_from;
1.43 +
1.44 + // Secondary sort key for run time.
1.45 + int sequence_num;
1.46 +
1.47 + // OK to dispatch from a nested loop.
1.48 + bool nestable;
1.49 +};
1.50 +
1.51 +// Wrapper around std::queue specialized for PendingTask which adds a Swap
1.52 +// helper method.
1.53 +class BASE_EXPORT TaskQueue : public std::queue<PendingTask> {
1.54 + public:
1.55 + void Swap(TaskQueue* queue);
1.56 +};
1.57 +
1.58 +// PendingTasks are sorted by their |delayed_run_time| property.
1.59 +typedef std::priority_queue<base::PendingTask> DelayedTaskQueue;
1.60 +
1.61 +} // namespace base
1.62 +
1.63 +#endif // PENDING_TASK_H_
