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 19 IPC_ENUM_TRAITS_MAX_VALUE(tracked_objects::ThreadData::Status, 20 tracked_objects::ThreadData::STATUS_LAST) 21 22 IPC_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) 26 IPC_STRUCT_TRAITS_END() 27 28 IPC_STRUCT_TRAITS_BEGIN(tracked_objects::BirthOnThreadSnapshot) 29 IPC_STRUCT_TRAITS_MEMBER(location) 30 IPC_STRUCT_TRAITS_MEMBER(thread_name) 31 IPC_STRUCT_TRAITS_END() 32 33 IPC_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) 41 IPC_STRUCT_TRAITS_END() 42 43 IPC_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) 47 IPC_STRUCT_TRAITS_END() 48 49 IPC_STRUCT_TRAITS_BEGIN(tracked_objects::ParentChildPairSnapshot) 50 IPC_STRUCT_TRAITS_MEMBER(parent) 51 IPC_STRUCT_TRAITS_MEMBER(child) 52 IPC_STRUCT_TRAITS_END() 53 54 IPC_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) 58 IPC_STRUCT_TRAITS_END() 59 60 IPC_ENUM_TRAITS_MAX_VALUE(gfx::GpuMemoryBufferType, 61 gfx::GPU_MEMORY_BUFFER_TYPE_LAST) 62 63 #if defined(OS_ANDROID) 64 IPC_STRUCT_TRAITS_BEGIN(gfx::SurfaceTextureId) 65 IPC_STRUCT_TRAITS_MEMBER(primary_id) 66 IPC_STRUCT_TRAITS_MEMBER(secondary_id) 67 IPC_STRUCT_TRAITS_END() 68 #endif 69 70 IPC_STRUCT_TRAITS_BEGIN(gfx::GpuMemoryBufferId) 71 IPC_STRUCT_TRAITS_MEMBER(primary_id) 72 IPC_STRUCT_TRAITS_MEMBER(secondary_id) 73 IPC_STRUCT_TRAITS_END() 74 75 IPC_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 85 #if defined(USE_X11) 86 IPC_STRUCT_TRAITS_MEMBER(pixmap) 87 #endif 88 IPC_STRUCT_TRAITS_END() 89 90 #undef IPC_MESSAGE_EXPORT 91 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT 92 93 #define IPC_MESSAGE_START ChildProcessMsgStart 94 95 // Messages sent from the browser to the child process. 96 97 // Sent in response to ChildProcessHostMsg_ShutdownRequest to tell the child 98 // process that it's safe to shutdown. 99 IPC_MESSAGE_CONTROL0(ChildProcessMsg_Shutdown) 100 101 #if defined(IPC_MESSAGE_LOG_ENABLED) 102 // Tell the child process to begin or end IPC message logging. 103 IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetIPCLoggingEnabled, 104 bool /* on or off */) 105 #endif 106 107 // Tell the child process to enable or disable the profiler status. 108 IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetProfilerStatus, 109 tracked_objects::ThreadData::Status /* profiler status */) 110 111 // Send to all the child processes to send back profiler data (ThreadData in 112 // tracked_objects). 113 IPC_MESSAGE_CONTROL1(ChildProcessMsg_GetChildProfilerData, 114 int /* sequence_number */) 115 116 // Send to all the child processes to send back histogram data. 117 IPC_MESSAGE_CONTROL1(ChildProcessMsg_GetChildHistogramData, 118 int /* sequence_number */) 119 120 // Sent to child processes to dump their handle table. 121 IPC_MESSAGE_CONTROL0(ChildProcessMsg_DumpHandles) 122 123 // Sent to child processes to tell them to enter or leave background mode. 124 IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetProcessBackgrounded, 125 bool /* background */) 126 127 #if defined(USE_TCMALLOC) 128 // Sent to child process to request tcmalloc stats. 129 IPC_MESSAGE_CONTROL0(ChildProcessMsg_GetTcmallocStats) 130 #endif 131 132 //////////////////////////////////////////////////////////////////////////////// 133 // Messages sent from the child process to the browser. 134 135 IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_ShutdownRequest) 136 137 // Send back profiler data (ThreadData in tracked_objects). 138 IPC_MESSAGE_CONTROL2(ChildProcessHostMsg_ChildProfilerData, 139 int, /* sequence_number */ 140 tracked_objects::ProcessDataSnapshot /* profiler_data */) 141 142 // Send back histograms as vector of pickled-histogram strings. 143 IPC_MESSAGE_CONTROL2(ChildProcessHostMsg_ChildHistogramData, 144 int, /* sequence_number */ 145 std::vector<std::string> /* histogram_data */) 146 147 // Request a histogram from the browser. The browser will send the histogram 148 // data only if it has been passed the command line flag 149 // switches::kDomAutomationController. 150 IPC_SYNC_MESSAGE_CONTROL1_1(ChildProcessHostMsg_GetBrowserHistogram, 151 std::string, /* histogram_name */ 152 std::string /* histogram_json */) 153 154 // Reply to ChildProcessMsg_DumpHandles when handle table dump is complete. 155 IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_DumpHandlesDone) 156 157 #if defined(OS_WIN) 158 // Request that the given font be loaded by the host so it's cached by the 159 // OS. Please see ChildProcessHost::PreCacheFont for details. 160 IPC_SYNC_MESSAGE_CONTROL1_0(ChildProcessHostMsg_PreCacheFont, 161 LOGFONT /* font data */) 162 163 // Release the cached font 164 IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_ReleaseCachedFonts) 165 #endif // defined(OS_WIN) 166 167 // Asks the browser to create a block of shared memory for the child process to 168 // fill in and pass back to the browser. 169 IPC_SYNC_MESSAGE_CONTROL1_1(ChildProcessHostMsg_SyncAllocateSharedMemory, 170 uint32 /* buffer size */, 171 base::SharedMemoryHandle) 172 173 // Asks the browser to create a block of shared memory for the child process to 174 // fill in and pass back to the browser. 175 IPC_SYNC_MESSAGE_CONTROL2_1(ChildProcessHostMsg_SyncAllocateSharedBitmap, 176 uint32 /* buffer size */, 177 cc::SharedBitmapId, 178 base::SharedMemoryHandle) 179 180 // Informs the browser that the child allocated a shared bitmap. 181 IPC_MESSAGE_CONTROL3(ChildProcessHostMsg_AllocatedSharedBitmap, 182 uint32 /* buffer size */, 183 base::SharedMemoryHandle, 184 cc::SharedBitmapId) 185 186 // Informs the browser that the child deleted a shared bitmap. 187 IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_DeletedSharedBitmap, 188 cc::SharedBitmapId) 189 190 #if defined(USE_TCMALLOC) 191 // Reply to ChildProcessMsg_GetTcmallocStats. 192 IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_TcmallocStats, 193 std::string /* output */) 194 #endif 195 196 // Asks the browser to create a gpu memory buffer. 197 IPC_SYNC_MESSAGE_CONTROL4_1(ChildProcessHostMsg_SyncAllocateGpuMemoryBuffer, 198 uint32 /* width */, 199 uint32 /* height */, 200 uint32 /* internalformat */, 201 uint32 /* usage */, 202 gfx::GpuMemoryBufferHandle) 203 204 // Informs the browser that the child deleted a gpu memory buffer. 205 IPC_MESSAGE_CONTROL2(ChildProcessHostMsg_DeletedGpuMemoryBuffer, 206 gfx::GpuMemoryBufferType, 207 gfx::GpuMemoryBufferId) 208