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hle_ipc: Add SleepClientThread to block current thread within HLE routines.
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2faa83ca13
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@ -7,6 +7,7 @@
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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#include "core/hle/ipc_helpers.h"
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#include "core/hle/kernel/event.h"
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#include "core/hle/kernel/handle_table.h"
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#include "core/hle/kernel/hle_ipc.h"
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#include "core/hle/kernel/kernel.h"
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@ -26,6 +27,32 @@ void SessionRequestHandler::ClientDisconnected(SharedPtr<ServerSession> server_s
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boost::range::remove_erase(connected_sessions, server_session);
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}
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SharedPtr<Event> HLERequestContext::SleepClientThread(SharedPtr<Thread> thread,
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const std::string& reason, u64 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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thread->wakeup_callback =
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[context = *this, callback](ThreadWakeupReason reason, SharedPtr<Thread> thread,
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SharedPtr<WaitObject> object, size_t index) mutable -> bool {
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ASSERT(thread->status == THREADSTATUS_WAIT_HLE_EVENT);
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callback(thread, context, reason);
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context.WriteToOutgoingCommandBuffer(*thread);
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return true;
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};
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auto event = Kernel::Event::Create(Kernel::ResetType::OneShot, "HLE Pause Event: " + reason);
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thread->status = THREADSTATUS_WAIT_HLE_EVENT;
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thread->wait_objects = {event};
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event->AddWaitingThread(thread);
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if (timeout > 0) {
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thread->WakeAfterDelay(timeout);
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}
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return event;
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}
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HLERequestContext::HLERequestContext(SharedPtr<Kernel::ServerSession> server_session)
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: server_session(std::move(server_session)) {
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cmd_buf[0] = 0;
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@ -6,6 +6,7 @@
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#include <array>
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#include <memory>
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#include <string>
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#include <vector>
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#include <boost/container/small_vector.hpp>
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#include "common/common_types.h"
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@ -25,6 +26,7 @@ class Domain;
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class HandleTable;
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class HLERequestContext;
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class Process;
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class Event;
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/**
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* Interface implemented by HLE Session handlers.
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@ -103,6 +105,24 @@ public:
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return server_session;
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}
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using WakeupCallback = std::function<void(SharedPtr<Thread> thread, HLERequestContext& context,
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ThreadWakeupReason reason)>;
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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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* @param callback Callback to be invoked when the thread is resumed. This callback must write
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* the entire command response once again, regardless of the state of it before this function
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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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SharedPtr<Event> SleepClientThread(SharedPtr<Thread> thread, const std::string& reason,
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u64 timeout, WakeupCallback&& callback);
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void ParseCommandBuffer(u32_le* src_cmdbuf, bool incoming);
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/// Populates this context with data from the requesting process/thread.
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