HLE/IPC: HLEContext can memorize the client thread and use it for SleepClientThread
This reduces the boilerplate that services have to write out the current thread explicitly. Using current thread instead of client thread is also semantically incorrect, and will be a problem when we implement multicore (at which time there will be multiple current threads)
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daeba65fb4
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@ -32,8 +32,7 @@ void SessionRequestHandler::ClientDisconnected(std::shared_ptr<ServerSession> se
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connected_sessions.end());
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}
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std::shared_ptr<Event> HLERequestContext::SleepClientThread(std::shared_ptr<Thread> thread,
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const std::string& reason,
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std::shared_ptr<Event> HLERequestContext::SleepClientThread(const std::string& reason,
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std::chrono::nanoseconds timeout,
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WakeupCallback&& callback) {
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// Put the client thread to sleep until the wait event is signaled or the timeout expires.
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@ -60,7 +59,7 @@ std::shared_ptr<Event> HLERequestContext::SleepClientThread(std::shared_ptr<Thre
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auto event = kernel.CreateEvent(Kernel::ResetType::OneShot, "HLE Pause Event: " + reason);
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thread->status = ThreadStatus::WaitHleEvent;
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thread->wait_objects = {event};
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event->AddWaitingThread(thread);
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event->AddWaitingThread(SharedFrom(thread));
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if (timeout.count() > 0)
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thread->WakeAfterDelay(timeout.count());
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@ -68,8 +67,9 @@ std::shared_ptr<Event> HLERequestContext::SleepClientThread(std::shared_ptr<Thre
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return event;
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}
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HLERequestContext::HLERequestContext(KernelSystem& kernel, std::shared_ptr<ServerSession> session)
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: kernel(kernel), session(std::move(session)) {
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HLERequestContext::HLERequestContext(KernelSystem& kernel, std::shared_ptr<ServerSession> session,
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Thread* thread)
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: kernel(kernel), session(std::move(session)), thread(thread) {
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cmd_buf[0] = 0;
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}
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@ -158,7 +158,7 @@ private:
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*/
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class HLERequestContext {
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public:
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HLERequestContext(KernelSystem& kernel, std::shared_ptr<ServerSession> session);
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HLERequestContext(KernelSystem& kernel, std::shared_ptr<ServerSession> session, Thread* thread);
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~HLERequestContext();
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/// Returns a pointer to the IPC command buffer for this request.
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@ -180,7 +180,6 @@ public:
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/**
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* Puts the specified guest thread to sleep until the returned event is signaled or until the
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* specified timeout expires.
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* @param thread Thread to be put to sleep.
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* @param reason Reason for pausing the thread, to be used for debugging purposes.
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* @param timeout Timeout in nanoseconds after which the thread will be awoken and the callback
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* invoked with a Timeout reason.
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@ -189,8 +188,7 @@ public:
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* was called.
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* @returns Event that when signaled will resume the thread and call the callback function.
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*/
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std::shared_ptr<Event> SleepClientThread(std::shared_ptr<Thread> thread,
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const std::string& reason,
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std::shared_ptr<Event> SleepClientThread(const std::string& reason,
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std::chrono::nanoseconds timeout,
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WakeupCallback&& callback);
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@ -240,6 +238,7 @@ private:
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KernelSystem& kernel;
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std::array<u32, IPC::COMMAND_BUFFER_LENGTH> cmd_buf;
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std::shared_ptr<ServerSession> session;
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Thread* thread;
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// TODO(yuriks): Check common usage of this and optimize size accordingly
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boost::container::small_vector<std::shared_ptr<Object>, 8> request_handles;
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// The static buffers will be created when the IPC request is translated.
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@ -72,7 +72,7 @@ ResultCode ServerSession::HandleSyncRequest(std::shared_ptr<Thread> thread) {
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kernel.memory.ReadBlock(*current_process, thread->GetCommandBufferAddress(), cmd_buf.data(),
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cmd_buf.size() * sizeof(u32));
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Kernel::HLERequestContext context(kernel, SharedFrom(this));
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Kernel::HLERequestContext context(kernel, SharedFrom(this), thread.get());
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context.PopulateFromIncomingCommandBuffer(cmd_buf.data(), *current_process);
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hle_handler->HandleSyncRequest(context);
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@ -71,8 +71,7 @@ void File::Read(Kernel::HLERequestContext& ctx) {
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rb.PushMappedBuffer(buffer);
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std::chrono::nanoseconds read_timeout_ns{backend->GetReadDelayNs(length)};
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ctx.SleepClientThread(Kernel::SharedFrom(system.Kernel().GetThreadManager().GetCurrentThread()),
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"file::read", read_timeout_ns,
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ctx.SleepClientThread("file::read", read_timeout_ns,
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[](std::shared_ptr<Kernel::Thread> /*thread*/,
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Kernel::HLERequestContext& /*ctx*/,
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Kernel::ThreadWakeupReason /*reason*/) {
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@ -71,8 +71,7 @@ void FS_USER::OpenFile(Kernel::HLERequestContext& ctx) {
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LOG_ERROR(Service_FS, "failed to get a handle for file {}", file_path.DebugStr());
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}
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ctx.SleepClientThread(Kernel::SharedFrom(system.Kernel().GetThreadManager().GetCurrentThread()),
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"fs_user::open", open_timeout_ns,
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ctx.SleepClientThread("fs_user::open", open_timeout_ns,
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[](std::shared_ptr<Kernel::Thread> /*thread*/,
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Kernel::HLERequestContext& /*ctx*/,
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Kernel::ThreadWakeupReason /*reason*/) {
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@ -130,8 +129,7 @@ void FS_USER::OpenFileDirectly(Kernel::HLERequestContext& ctx) {
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file_path.DebugStr(), mode.hex, attributes);
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}
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ctx.SleepClientThread(Kernel::SharedFrom(system.Kernel().GetThreadManager().GetCurrentThread()),
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"fs_user::open_directly", open_timeout_ns,
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ctx.SleepClientThread("fs_user::open_directly", open_timeout_ns,
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[](std::shared_ptr<Kernel::Thread> /*thread*/,
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Kernel::HLERequestContext& /*ctx*/,
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Kernel::ThreadWakeupReason /*reason*/) {
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@ -1179,7 +1179,6 @@ void NWM_UDS::ConnectToNetwork(Kernel::HLERequestContext& ctx, u16 command_id,
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static constexpr std::chrono::nanoseconds UDSConnectionTimeout{300000000};
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connection_event = ctx.SleepClientThread(
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Kernel::SharedFrom(system.Kernel().GetThreadManager().GetCurrentThread()),
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"uds::ConnectToNetwork", UDSConnectionTimeout,
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[command_id](std::shared_ptr<Kernel::Thread> thread, Kernel::HLERequestContext& ctx,
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Kernel::ThreadWakeupReason reason) {
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@ -127,9 +127,8 @@ void SRV::GetServiceHandle(Kernel::HLERequestContext& ctx) {
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if (client_port.Failed()) {
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if (wait_until_available && client_port.Code() == ERR_SERVICE_NOT_REGISTERED) {
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LOG_INFO(Service_SRV, "called service={} delayed", name);
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std::shared_ptr<Kernel::Event> get_service_handle_event = ctx.SleepClientThread(
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Kernel::SharedFrom(system.Kernel().GetThreadManager().GetCurrentThread()),
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"GetServiceHandle", std::chrono::nanoseconds(-1), get_handle);
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std::shared_ptr<Kernel::Event> get_service_handle_event =
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ctx.SleepClientThread("GetServiceHandle", std::chrono::nanoseconds(-1), get_handle);
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get_service_handle_delayed_map[name] = std::move(get_service_handle_event);
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return;
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} else {
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@ -25,7 +25,7 @@ TEST_CASE("HLERequestContext::PopulateFromIncomingCommandBuffer", "[core][kernel
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Memory::MemorySystem memory;
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Kernel::KernelSystem kernel(memory, timing, [] {}, 0);
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auto session = std::get<std::shared_ptr<ServerSession>>(kernel.CreateSessionPair());
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HLERequestContext context(kernel, std::move(session));
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HLERequestContext context(kernel, std::move(session), nullptr);
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auto process = kernel.CreateProcess(kernel.CreateCodeSet("", 0));
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@ -237,7 +237,7 @@ TEST_CASE("HLERequestContext::WriteToOutgoingCommandBuffer", "[core][kernel]") {
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Memory::MemorySystem memory;
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Kernel::KernelSystem kernel(memory, timing, [] {}, 0);
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auto session = std::get<std::shared_ptr<ServerSession>>(kernel.CreateSessionPair());
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HLERequestContext context(kernel, std::move(session));
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HLERequestContext context(kernel, std::move(session), nullptr);
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auto process = kernel.CreateProcess(kernel.CreateCodeSet("", 0));
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auto* input = context.CommandBuffer();
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