| // 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. |
| |
| // This file contains IPC messages for controlling memory pressure handling |
| // in child processes for the purposes of enforcing consistent conditions |
| // across memory measurements. |
| |
| // Multiply-included message header, no traditional include guard. |
| |
| #include "base/memory/memory_pressure_listener.h" |
| #include "ipc/ipc_message_macros.h" |
| #include "content/common/content_export.h" |
| |
| #undef IPC_MESSAGE_EXPORT |
| #define IPC_MESSAGE_EXPORT CONTENT_EXPORT |
| |
| #define IPC_MESSAGE_START MemoryMsgStart |
| |
| IPC_ENUM_TRAITS_VALIDATE( |
| base::MemoryPressureListener::MemoryPressureLevel, |
| (value == base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE || |
| value == base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL)) |
| |
| // Sent to all child processes to enable/disable suppressing memory pressure |
| // notifications. |
| IPC_MESSAGE_CONTROL1(MemoryMsg_SetPressureNotificationsSuppressed, |
| bool /* suppressed */) |
| |
| // Sent to all child processes to simulate a memory pressure notification. |
| IPC_MESSAGE_CONTROL1( |
| MemoryMsg_SimulatePressureNotification, |
| base::MemoryPressureListener::MemoryPressureLevel /* level */) |
| |
| // Sent by the browser to all child processes to indicate an actual memory |
| // pressure notification. |
| IPC_MESSAGE_CONTROL1( |
| MemoryMsg_PressureNotification, |
| base::MemoryPressureListener::MemoryPressureLevel /* level */) |