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// Copyright 2015 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.
//
// Next MinVersion: 6
module arc.mojom;
// Describes the current process state, as defined by AOSP in
// android.app.ActivityManager.
enum ProcessState {
// Process does not exist.
NONEXISTENT = -1,
// Process is a persistent system process.
PERSISTENT = 0,
// Process is a persistent system process and is doing UI.
PERSISTENT_UI = 1,
// Process is hosting the current top activities. Note that this covers
// all activities that are visible to the user.
TOP = 2,
// Process is hosting a foreground service due to a system binding.
BOUND_FOREGROUND_SERVICE = 3,
// Process is hosting a foreground service.
FOREGROUND_SERVICE = 4,
// Same as PROCESS_STATE_TOP but while device is sleeping.
TOP_SLEEPING = 5,
// Process is important to the user, and something they are aware of.
IMPORTANT_FOREGROUND = 6,
// Process is important to the user, but not something they are aware of.
IMPORTANT_BACKGROUND = 7,
// Process is in the background running a backup/restore operation.
BACKUP = 8,
// Process is in the background, but it can't restore its state so we want
// to try to avoid killing it.
HEAVY_WEIGHT = 9,
// Process is in the background running a service. Unlike oom_adj, this level
// is used for both the normal running in background state and the executing
// operations state.
SERVICE = 10,
// Process is in the background running a receiver. Note that from the
// perspective of oom_adj receivers run at a higher foreground level, but for
// our prioritization here that is not necessary and putting them below
// services means many fewer changes in some process states as they receive
// broadcasts.
RECEIVER = 11,
// Process is in the background but hosts the home activity.
HOME = 12,
// Process is in the background but hosts the last shown activity.
LAST_ACTIVITY = 13,
// Process is being cached for later use and contains activities.
CACHED_ACTIVITY = 14,
// Process is being cached for later use and is a client of another cached
// process that contains activities.
CACHED_ACTIVITY_CLIENT = 15,
// Process is being cached for later use and is empty.
CACHED_EMPTY = 16,
};
// Describes a running ARC process.
// This struct is a subset of android.app.ActivityManager.RunningAppProcessInfo.
struct RunningAppProcessInfo {
// Name of the process.
string process_name;
// PID (within ARC's PID namespace) of the process.
uint32 pid;
// Current process state.
ProcessState process_state;
// Package names running in the process.
[MinVersion=4] array<string>? packages;
// Whether this app is focused in ARC++ multi-window environment.
[MinVersion=5] bool is_focused;
// Last time the process was active. Milliseconds since boot.
// The clock is monotonic (comes from Android System.uptimeMillis()).
[MinVersion=5] int64 last_activity_time;
};
interface ProcessInstance {
// Requests ARC instance to return the current process list.
RequestProcessList@0() => (array<RunningAppProcessInfo> processes);
// Requests ARC instance to kill a process.
[MinVersion=1]
KillProcess@1(uint32 pid, string reason);
// Sets oom_score_adj of a process.
[MinVersion=2]
DeprecatedSetOomScoreAdj@2(uint32 pid, int32 score);
// Disables Android built-in oom_adj adjustment.
[MinVersion=2]
DeprecatedDisableBuiltinOomAdjustment@3();
// Disables Android lowmemorykiller.
[MinVersion=3]
DeprecatedDisableLowMemoryKiller@4();
};
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