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Merge pull request #2489 from FearlessTobi/port-4716

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Port citra-emu/citra#4716: "HLE/IPC: HLEContext can memorize the client thread and use it for SleepClientThread"
This commit is contained in:
bunnei 2019-05-24 18:23:15 -04:00 committed by GitHub
commit d4f8fe24d9
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4 changed files with 10 additions and 9 deletions
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7
src/core/hle/kernel/hle_ipc.cpp
View File

@ -43,7 +43,7 @@ void SessionRequestHandler::ClientDisconnected(const SharedPtr<ServerSession>& s
}
SharedPtr<WritableEvent> HLERequestContext::SleepClientThread(
SharedPtr<Thread> thread, const std::string& reason, u64 timeout, WakeupCallback&& callback,
const std::string& reason, u64 timeout, WakeupCallback&& callback,
SharedPtr<WritableEvent> writable_event) {
// Put the client thread to sleep until the wait event is signaled or the timeout expires.
thread->SetWakeupCallback([context = *this, callback](
@ -76,8 +76,9 @@ SharedPtr<WritableEvent> HLERequestContext::SleepClientThread(
return writable_event;
}
HLERequestContext::HLERequestContext(SharedPtr<Kernel::ServerSession> server_session)
: server_session(std::move(server_session)) {
HLERequestContext::HLERequestContext(SharedPtr<Kernel::ServerSession> server_session,
SharedPtr<Thread> thread)
: server_session(std::move(server_session)), thread(std::move(thread)) {
cmd_buf[0] = 0;
}

8
src/core/hle/kernel/hle_ipc.h
View File

@ -97,7 +97,7 @@ protected:
*/
class HLERequestContext {
public:
explicit HLERequestContext(SharedPtr<ServerSession> session);
explicit HLERequestContext(SharedPtr<ServerSession> session, SharedPtr<Thread> thread);
~HLERequestContext();
/// Returns a pointer to the IPC command buffer for this request.
@ -119,7 +119,6 @@ public:
/**
* Puts the specified guest thread to sleep until the returned event is signaled or until the
* specified timeout expires.
* @param thread Thread to be put to sleep.
* @param reason Reason for pausing the thread, to be used for debugging purposes.
* @param timeout Timeout in nanoseconds after which the thread will be awoken and the callback
* invoked with a Timeout reason.
@ -130,8 +129,8 @@ public:
* created.
* @returns Event that when signaled will resume the thread and call the callback function.
*/
SharedPtr<WritableEvent> SleepClientThread(SharedPtr<Thread> thread, const std::string& reason,
u64 timeout, WakeupCallback&& callback,
SharedPtr<WritableEvent> SleepClientThread(const std::string& reason, u64 timeout,
WakeupCallback&& callback,
SharedPtr<WritableEvent> writable_event = nullptr);
/// Populates this context with data from the requesting process/thread.
@ -268,6 +267,7 @@ private:
std::array<u32, IPC::COMMAND_BUFFER_LENGTH> cmd_buf;
SharedPtr<Kernel::ServerSession> server_session;
SharedPtr<Thread> thread;
// TODO(yuriks): Check common usage of this and optimize size accordingly
boost::container::small_vector<SharedPtr<Object>, 8> move_objects;
boost::container::small_vector<SharedPtr<Object>, 8> copy_objects;

2
src/core/hle/kernel/server_session.cpp
View File

@ -130,7 +130,7 @@ ResultCode ServerSession::HandleSyncRequest(SharedPtr<Thread> thread) {
// The ServerSession received a sync request, this means that there's new data available
// from its ClientSession, so wake up any threads that may be waiting on a svcReplyAndReceive or
// similar.
Kernel::HLERequestContext context(this);
Kernel::HLERequestContext context(this, thread);
u32* cmd_buf = (u32*)Memory::GetPointer(thread->GetTLSAddress());
context.PopulateFromIncomingCommandBuffer(kernel.CurrentProcess()->GetHandleTable(), cmd_buf);

2
src/core/hle/service/vi/vi.cpp
View File

@ -556,7 +556,7 @@ private:
} else {
// Wait the current thread until a buffer becomes available
ctx.SleepClientThread(
Kernel::GetCurrentThread(), "IHOSBinderDriver::DequeueBuffer", -1,
"IHOSBinderDriver::DequeueBuffer", -1,
[=](Kernel::SharedPtr<Kernel::Thread> thread, Kernel::HLERequestContext& ctx,
Kernel::ThreadWakeupReason reason) {
// Repeat TransactParcel DequeueBuffer when a buffer is available