1// Copyright (c) 2012 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// Common IPC messages used for child processes. 6// Multiply-included message file, hence no include guard. 7 8#include <string> 9#include <vector> 10 11#include "base/memory/shared_memory.h" 12#include "base/tracked_objects.h" 13#include "base/values.h" 14#include "cc/resources/shared_bitmap_manager.h" 15#include "content/common/content_export.h" 16#include "ipc/ipc_message_macros.h" 17#include "ui/gfx/gpu_memory_buffer.h" 18 19IPC_ENUM_TRAITS_MAX_VALUE(tracked_objects::ThreadData::Status, 20 tracked_objects::ThreadData::STATUS_LAST) 21 22IPC_STRUCT_TRAITS_BEGIN(tracked_objects::LocationSnapshot) 23 IPC_STRUCT_TRAITS_MEMBER(file_name) 24 IPC_STRUCT_TRAITS_MEMBER(function_name) 25 IPC_STRUCT_TRAITS_MEMBER(line_number) 26IPC_STRUCT_TRAITS_END() 27 28IPC_STRUCT_TRAITS_BEGIN(tracked_objects::BirthOnThreadSnapshot) 29 IPC_STRUCT_TRAITS_MEMBER(location) 30 IPC_STRUCT_TRAITS_MEMBER(thread_name) 31IPC_STRUCT_TRAITS_END() 32 33IPC_STRUCT_TRAITS_BEGIN(tracked_objects::DeathDataSnapshot) 34 IPC_STRUCT_TRAITS_MEMBER(count) 35 IPC_STRUCT_TRAITS_MEMBER(run_duration_sum) 36 IPC_STRUCT_TRAITS_MEMBER(run_duration_max) 37 IPC_STRUCT_TRAITS_MEMBER(run_duration_sample) 38 IPC_STRUCT_TRAITS_MEMBER(queue_duration_sum) 39 IPC_STRUCT_TRAITS_MEMBER(queue_duration_max) 40 IPC_STRUCT_TRAITS_MEMBER(queue_duration_sample) 41IPC_STRUCT_TRAITS_END() 42 43IPC_STRUCT_TRAITS_BEGIN(tracked_objects::TaskSnapshot) 44 IPC_STRUCT_TRAITS_MEMBER(birth) 45 IPC_STRUCT_TRAITS_MEMBER(death_data) 46 IPC_STRUCT_TRAITS_MEMBER(death_thread_name) 47IPC_STRUCT_TRAITS_END() 48 49IPC_STRUCT_TRAITS_BEGIN(tracked_objects::ParentChildPairSnapshot) 50 IPC_STRUCT_TRAITS_MEMBER(parent) 51 IPC_STRUCT_TRAITS_MEMBER(child) 52IPC_STRUCT_TRAITS_END() 53 54IPC_STRUCT_TRAITS_BEGIN(tracked_objects::ProcessDataSnapshot) 55 IPC_STRUCT_TRAITS_MEMBER(tasks) 56 IPC_STRUCT_TRAITS_MEMBER(descendants) 57 IPC_STRUCT_TRAITS_MEMBER(process_id) 58IPC_STRUCT_TRAITS_END() 59 60IPC_ENUM_TRAITS_MAX_VALUE(gfx::GpuMemoryBufferType, 61 gfx::GPU_MEMORY_BUFFER_TYPE_LAST) 62 63#if defined(OS_ANDROID) 64IPC_STRUCT_TRAITS_BEGIN(gfx::SurfaceTextureId) 65 IPC_STRUCT_TRAITS_MEMBER(primary_id) 66 IPC_STRUCT_TRAITS_MEMBER(secondary_id) 67IPC_STRUCT_TRAITS_END() 68#endif 69 70IPC_STRUCT_TRAITS_BEGIN(gfx::GpuMemoryBufferId) 71 IPC_STRUCT_TRAITS_MEMBER(primary_id) 72 IPC_STRUCT_TRAITS_MEMBER(secondary_id) 73IPC_STRUCT_TRAITS_END() 74 75IPC_STRUCT_TRAITS_BEGIN(gfx::GpuMemoryBufferHandle) 76 IPC_STRUCT_TRAITS_MEMBER(type) 77 IPC_STRUCT_TRAITS_MEMBER(handle) 78 IPC_STRUCT_TRAITS_MEMBER(global_id) 79#if defined(OS_MACOSX) 80 IPC_STRUCT_TRAITS_MEMBER(io_surface_id) 81#endif 82#if defined(OS_ANDROID) 83 IPC_STRUCT_TRAITS_MEMBER(surface_texture_id) 84#endif 85IPC_STRUCT_TRAITS_END() 86 87#undef IPC_MESSAGE_EXPORT 88#define IPC_MESSAGE_EXPORT CONTENT_EXPORT 89 90#define IPC_MESSAGE_START ChildProcessMsgStart 91 92// Messages sent from the browser to the child process. 93 94// Sent in response to ChildProcessHostMsg_ShutdownRequest to tell the child 95// process that it's safe to shutdown. 96IPC_MESSAGE_CONTROL0(ChildProcessMsg_Shutdown) 97 98#if defined(IPC_MESSAGE_LOG_ENABLED) 99// Tell the child process to begin or end IPC message logging. 100IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetIPCLoggingEnabled, 101 bool /* on or off */) 102#endif 103 104// Tell the child process to enable or disable the profiler status. 105IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetProfilerStatus, 106 tracked_objects::ThreadData::Status /* profiler status */) 107 108// Send to all the child processes to send back profiler data (ThreadData in 109// tracked_objects). 110IPC_MESSAGE_CONTROL1(ChildProcessMsg_GetChildProfilerData, 111 int /* sequence_number */) 112 113// Send to all the child processes to send back histogram data. 114IPC_MESSAGE_CONTROL1(ChildProcessMsg_GetChildHistogramData, 115 int /* sequence_number */) 116 117// Sent to child processes to dump their handle table. 118IPC_MESSAGE_CONTROL0(ChildProcessMsg_DumpHandles) 119 120// Sent to child processes to tell them to enter or leave background mode. 121IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetProcessBackgrounded, 122 bool /* background */) 123 124#if defined(USE_TCMALLOC) 125// Sent to child process to request tcmalloc stats. 126IPC_MESSAGE_CONTROL0(ChildProcessMsg_GetTcmallocStats) 127#endif 128 129//////////////////////////////////////////////////////////////////////////////// 130// Messages sent from the child process to the browser. 131 132IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_ShutdownRequest) 133 134// Send back profiler data (ThreadData in tracked_objects). 135IPC_MESSAGE_CONTROL2(ChildProcessHostMsg_ChildProfilerData, 136 int, /* sequence_number */ 137 tracked_objects::ProcessDataSnapshot /* profiler_data */) 138 139// Send back histograms as vector of pickled-histogram strings. 140IPC_MESSAGE_CONTROL2(ChildProcessHostMsg_ChildHistogramData, 141 int, /* sequence_number */ 142 std::vector<std::string> /* histogram_data */) 143 144// Request a histogram from the browser. The browser will send the histogram 145// data only if it has been passed the command line flag 146// switches::kDomAutomationController. 147IPC_SYNC_MESSAGE_CONTROL1_1(ChildProcessHostMsg_GetBrowserHistogram, 148 std::string, /* histogram_name */ 149 std::string /* histogram_json */) 150 151// Reply to ChildProcessMsg_DumpHandles when handle table dump is complete. 152IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_DumpHandlesDone) 153 154#if defined(OS_WIN) 155// Request that the given font be loaded by the host so it's cached by the 156// OS. Please see ChildProcessHost::PreCacheFont for details. 157IPC_SYNC_MESSAGE_CONTROL1_0(ChildProcessHostMsg_PreCacheFont, 158 LOGFONT /* font data */) 159 160// Release the cached font 161IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_ReleaseCachedFonts) 162#endif // defined(OS_WIN) 163 164// Asks the browser to create a block of shared memory for the child process to 165// fill in and pass back to the browser. 166IPC_SYNC_MESSAGE_CONTROL1_1(ChildProcessHostMsg_SyncAllocateSharedMemory, 167 uint32 /* buffer size */, 168 base::SharedMemoryHandle) 169 170// Asks the browser to create a block of shared memory for the child process to 171// fill in and pass back to the browser. 172IPC_SYNC_MESSAGE_CONTROL2_1(ChildProcessHostMsg_SyncAllocateSharedBitmap, 173 uint32 /* buffer size */, 174 cc::SharedBitmapId, 175 base::SharedMemoryHandle) 176 177// Informs the browser that the child allocated a shared bitmap. 178IPC_MESSAGE_CONTROL3(ChildProcessHostMsg_AllocatedSharedBitmap, 179 uint32 /* buffer size */, 180 base::SharedMemoryHandle, 181 cc::SharedBitmapId) 182 183// Informs the browser that the child deleted a shared bitmap. 184IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_DeletedSharedBitmap, 185 cc::SharedBitmapId) 186 187#if defined(USE_TCMALLOC) 188// Reply to ChildProcessMsg_GetTcmallocStats. 189IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_TcmallocStats, 190 std::string /* output */) 191#endif 192 193// Asks the browser to create a gpu memory buffer. 194IPC_SYNC_MESSAGE_CONTROL4_1(ChildProcessHostMsg_SyncAllocateGpuMemoryBuffer, 195 uint32 /* width */, 196 uint32 /* height */, 197 uint32 /* internalformat */, 198 uint32 /* usage */, 199 gfx::GpuMemoryBufferHandle) 200