1 // Copyright (c) 2011 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 // Multiply-included message file, no include guard. 6 7 #include "base/memory/shared_memory.h" 8 #include "ipc/ipc_message_macros.h" 9 #include "ipc/ipc_param_traits.h" 10 #include "ipc/ipc_platform_file.h" 11 12 #define IPC_MESSAGE_START GamepadMsgStart 13 14 // Messages sent from the renderer to the browser. 15 16 // Asks the browser process to start polling, and return a shared memory 17 // handles that will hold the data from the hardware. See 18 // gamepad_hardware_buffer.h for a description of how synchronization is 19 // handled. The number of Starts should match the number of Stops. 20 IPC_SYNC_MESSAGE_CONTROL0_1(GamepadHostMsg_StartPolling, 21 base::SharedMemoryHandle /* handle */) 22 23 IPC_SYNC_MESSAGE_CONTROL0_0(GamepadHostMsg_StopPolling) 24