// Copyright (c) 2012 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. // Common IPC messages used for child processes. // Multiply-included message file, hence no include guard. #include #include #include #include "base/memory/shared_memory.h" #include "base/tracked_objects.h" #include "base/values.h" #include "build/build_config.h" #include "cc/resources/shared_bitmap_manager.h" #include "components/discardable_memory/common/discardable_shared_memory_id.h" #include "content/common/content_export.h" #include "content/common/content_param_traits_macros.h" #include "gpu/command_buffer/common/sync_token.h" #include "gpu/ipc/common/gpu_param_traits_macros.h" #include "ipc/ipc_channel_handle.h" #include "ipc/ipc_message_macros.h" #include "ipc/ipc_platform_file.h" #include "ui/gfx/gpu_memory_buffer.h" #include "ui/gfx/ipc/gfx_param_traits.h" #include "ui/gfx/ipc/skia/gfx_skia_param_traits.h" #if defined(OS_LINUX) #include "base/threading/platform_thread.h" #endif IPC_ENUM_TRAITS_MAX_VALUE(tracked_objects::ThreadData::Status, tracked_objects::ThreadData::STATUS_LAST) IPC_STRUCT_TRAITS_BEGIN(tracked_objects::LocationSnapshot) IPC_STRUCT_TRAITS_MEMBER(file_name) IPC_STRUCT_TRAITS_MEMBER(function_name) IPC_STRUCT_TRAITS_MEMBER(line_number) IPC_STRUCT_TRAITS_END() IPC_STRUCT_TRAITS_BEGIN(tracked_objects::BirthOnThreadSnapshot) IPC_STRUCT_TRAITS_MEMBER(location) IPC_STRUCT_TRAITS_MEMBER(thread_name) IPC_STRUCT_TRAITS_END() IPC_STRUCT_TRAITS_BEGIN(tracked_objects::DeathDataSnapshot) IPC_STRUCT_TRAITS_MEMBER(count) IPC_STRUCT_TRAITS_MEMBER(run_duration_sum) IPC_STRUCT_TRAITS_MEMBER(run_duration_max) IPC_STRUCT_TRAITS_MEMBER(run_duration_sample) IPC_STRUCT_TRAITS_MEMBER(queue_duration_sum) IPC_STRUCT_TRAITS_MEMBER(queue_duration_max) IPC_STRUCT_TRAITS_MEMBER(queue_duration_sample) IPC_STRUCT_TRAITS_END() IPC_STRUCT_TRAITS_BEGIN(tracked_objects::TaskSnapshot) IPC_STRUCT_TRAITS_MEMBER(birth) IPC_STRUCT_TRAITS_MEMBER(death_data) IPC_STRUCT_TRAITS_MEMBER(death_thread_name) IPC_STRUCT_TRAITS_END() IPC_STRUCT_TRAITS_BEGIN(tracked_objects::ProcessDataPhaseSnapshot) IPC_STRUCT_TRAITS_MEMBER(tasks) IPC_STRUCT_TRAITS_END() IPC_STRUCT_TRAITS_BEGIN(tracked_objects::ProcessDataSnapshot) IPC_STRUCT_TRAITS_MEMBER(phased_snapshots) IPC_STRUCT_TRAITS_MEMBER(process_id) IPC_STRUCT_TRAITS_END() #if defined(OS_LINUX) IPC_ENUM_TRAITS_MAX_VALUE(base::ThreadPriority, base::ThreadPriority::REALTIME_AUDIO) #endif #undef IPC_MESSAGE_EXPORT #define IPC_MESSAGE_EXPORT CONTENT_EXPORT #define IPC_MESSAGE_START ChildProcessMsgStart // Messages sent from the browser to the child process. // Sent in response to ChildProcessHostMsg_ShutdownRequest to tell the child // process that it's safe to shutdown. IPC_MESSAGE_CONTROL0(ChildProcessMsg_Shutdown) #if defined(IPC_MESSAGE_LOG_ENABLED) // Tell the child process to begin or end IPC message logging. IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetIPCLoggingEnabled, bool /* on or off */) #endif // Tell the child process to enable or disable the profiler status. IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetProfilerStatus, tracked_objects::ThreadData::Status /* profiler status */) // Send to all the child processes to send back profiler data (ThreadData in // tracked_objects). IPC_MESSAGE_CONTROL2(ChildProcessMsg_GetChildProfilerData, int /* sequence_number */, int /* current_profiling_phase */) // Send to all the child processes to mark the current profiling phase as // finished and start a new phase. IPC_MESSAGE_CONTROL1(ChildProcessMsg_ProfilingPhaseCompleted, int /* profiling_phase */) // Sent to set the shared memory buffer to be used for storing histograms that // are to be reported by the browser process to UMA. The following message // (GetChildNonPersistentHistogramData) will return any histograms created // before this message is received but not any histograms created afterward. IPC_MESSAGE_CONTROL2(ChildProcessMsg_SetHistogramMemory, base::SharedMemoryHandle /* shm_handle */, int /* shm_size */) // Send to all the child processes to send back histogram data. IPC_MESSAGE_CONTROL1(ChildProcessMsg_GetChildNonPersistentHistogramData, int /* sequence_number */) // Sent to child processes to tell them to enter or leave background mode. IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetProcessBackgrounded, bool /* background */) // Sent to child processes to tell them to purge and suspend. IPC_MESSAGE_CONTROL0(ChildProcessMsg_PurgeAndSuspend) // Sent to child processes to tell them to resume from suspended mode. IPC_MESSAGE_CONTROL0(ChildProcessMsg_Resume) //////////////////////////////////////////////////////////////////////////////// // Messages sent from the child process to the browser. // A renderer sends this when it wants to create a connection to the GPU // process. The browser will create the GPU process if necessary, and will // return a handle to the channel via a GpuChannelEstablished message. IPC_SYNC_MESSAGE_CONTROL0_3(ChildProcessHostMsg_EstablishGpuChannel, int /* client id */, IPC::ChannelHandle /* handle to channel */, gpu::GPUInfo /* stats about GPU process*/) // A renderer sends this when it wants to know whether a gpu process exists. IPC_SYNC_MESSAGE_CONTROL0_1(ChildProcessHostMsg_HasGpuProcess, bool /* result */) IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_ShutdownRequest) // Send back profiler data (ThreadData in tracked_objects). IPC_MESSAGE_CONTROL2( ChildProcessHostMsg_ChildProfilerData, int, /* sequence_number */ tracked_objects::ProcessDataSnapshot /* process_data_snapshot */) // Send back histograms as vector of pickled-histogram strings. IPC_MESSAGE_CONTROL2(ChildProcessHostMsg_ChildHistogramData, int, /* sequence_number */ std::vector /* histogram_data */) // Request a histogram from the browser. The browser will send the histogram // data only if it has been passed the command line flag // switches::kDomAutomationController. IPC_SYNC_MESSAGE_CONTROL1_1(ChildProcessHostMsg_GetBrowserHistogram, std::string, /* histogram_name */ std::string /* histogram_json */) #if defined(OS_WIN) // Request that the given font be loaded by the host so it's cached by the // OS. Please see ChildProcessHost::PreCacheFont for details. IPC_SYNC_MESSAGE_CONTROL1_0(ChildProcessHostMsg_PreCacheFont, LOGFONT /* font data */) // Release the cached font IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_ReleaseCachedFonts) #endif // defined(OS_WIN) // Asks the browser to create a block of shared memory for the child process to // fill in and pass back to the browser. IPC_SYNC_MESSAGE_CONTROL2_1(ChildProcessHostMsg_SyncAllocateSharedBitmap, uint32_t /* buffer size */, cc::SharedBitmapId, base::SharedMemoryHandle) // Informs the browser that the child allocated a shared bitmap. IPC_MESSAGE_CONTROL3(ChildProcessHostMsg_AllocatedSharedBitmap, uint32_t /* buffer size */, base::SharedMemoryHandle, cc::SharedBitmapId) // Informs the browser that the child deleted a shared bitmap. IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_DeletedSharedBitmap, cc::SharedBitmapId) // Asks the browser to create a gpu memory buffer. IPC_SYNC_MESSAGE_CONTROL5_1(ChildProcessHostMsg_SyncAllocateGpuMemoryBuffer, gfx::GpuMemoryBufferId /* new_id */, uint32_t /* width */, uint32_t /* height */, gfx::BufferFormat, gfx::BufferUsage, gfx::GpuMemoryBufferHandle) // Informs the browser that the child deleted a gpu memory buffer. IPC_MESSAGE_CONTROL2(ChildProcessHostMsg_DeletedGpuMemoryBuffer, gfx::GpuMemoryBufferId, gpu::SyncToken /* sync_token */) // Asks the browser to create a block of discardable shared memory for the // child process. IPC_SYNC_MESSAGE_CONTROL2_1( ChildProcessHostMsg_SyncAllocateLockedDiscardableSharedMemory, uint32_t /* size */, discardable_memory::DiscardableSharedMemoryId, base::SharedMemoryHandle) // Informs the browser that the child deleted a block of discardable shared // memory. IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_DeletedDiscardableSharedMemory, discardable_memory::DiscardableSharedMemoryId) #if defined(OS_LINUX) // Asks the browser to change the priority of thread. IPC_MESSAGE_CONTROL2(ChildProcessHostMsg_SetThreadPriority, base::PlatformThreadId, base::ThreadPriority) #endif