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1 // Copyright 2015 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 // This file contains IPC messages for controlling memory pressure handling | |
6 // in child processes for the purposes of enforcing consistent conditions | |
7 // across memory measurements. | |
8 | |
9 // Multiply-included message header, no traditional include guard. | |
10 | |
11 #include "base/memory/memory_pressure_listener.h" | |
12 #include "ipc/ipc_message_macros.h" | |
13 #include "content/common/content_export.h" | |
14 | |
15 #undef IPC_MESSAGE_EXPORT | |
16 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT | |
17 | |
18 #define IPC_MESSAGE_START MemoryMsgStart | |
19 | |
20 IPC_ENUM_TRAITS_VALIDATE( | |
21 base::MemoryPressureListener::MemoryPressureLevel, | |
22 (value == base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE || | |
23 value == base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL)) | |
24 | |
25 // Sent to all child processes to enable/disable suppressing memory pressure | |
26 // notifications. | |
27 IPC_MESSAGE_CONTROL1(MemoryMsg_SetPressureNotificationsSuppressed, | |
28 bool /* suppressed */) | |
29 | |
30 // Sent to all child processes to simulate a memory pressure notification. | |
31 IPC_MESSAGE_CONTROL1( | |
32 MemoryMsg_SimulatePressureNotification, | |
33 base::MemoryPressureListener::MemoryPressureLevel /* level */) | |
34 | |
35 // Sent by the browser to all child processes to indicate an actual memory | |
36 // pressure notification. | |
37 IPC_MESSAGE_CONTROL1( | |
38 MemoryMsg_PressureNotification, | |
39 base::MemoryPressureListener::MemoryPressureLevel /* level */) | |
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