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Merge pull request #4736 from FearlessTobi/port-2356

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Port yuzu-emu/yuzu#2356: "kernel/{server_port, server_session}: Return pairs instead of tuples from pair creation functions"
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Tobias 2019-04-27 00:07:13 +02:00 • committed by GitHub
commit 7ea82e7941
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8 changed files with 32 additions and 40 deletions
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9
src/core/hle/kernel/client_port.cpp
View file

@ -26,18 +26,17 @@ ResultVal<std::shared_ptr<ClientSession>> ClientPort::Connect() {
active_sessions++;
// Create a new session pair, let the created sessions inherit the parent port's HLE handler.
auto sessions = kernel.CreateSessionPair(server_port->GetName(), SharedFrom(this));
auto [server, client] = kernel.CreateSessionPair(server_port->GetName(), SharedFrom(this));
if (server_port->hle_handler)
server_port->hle_handler->ClientConnected(
std::get<std::shared_ptr<ServerSession>>(sessions));
server_port->hle_handler->ClientConnected(server);
else
server_port->pending_sessions.push_back(std::get<std::shared_ptr<ServerSession>>(sessions));
server_port->pending_sessions.push_back(server);
// Wake the threads waiting on the ServerPort
server_port->WakeupAllWaitingThreads();
return MakeResult(std::get<std::shared_ptr<ClientSession>>(sessions));
return MakeResult(client);
}
void ClientPort::ConnectionClosed() {

10
src/core/hle/kernel/kernel.h
View file

@ -83,6 +83,9 @@ public:
std::function<void()> prepare_reschedule_callback, u32 system_mode);
~KernelSystem();
using PortPair = std::pair<std::shared_ptr<ServerPort>, std::shared_ptr<ClientPort>>;
using SessionPair = std::pair<std::shared_ptr<ServerSession>, std::shared_ptr<ClientSession>>;
/**
* Creates an address arbiter.
*
@ -150,8 +153,7 @@ public:
* @param name Optional name of the ports
* @return The created port tuple
*/
std::tuple<std::shared_ptr<ServerPort>, std::shared_ptr<ClientPort>> CreatePortPair(
u32 max_sessions, std::string name = "UnknownPort");
PortPair CreatePortPair(u32 max_sessions, std::string name = "UnknownPort");
/**
* Creates a pair of ServerSession and an associated ClientSession.
@ -159,8 +161,8 @@ public:
* @param client_port Optional The ClientPort that spawned this session.
* @return The created session tuple
*/
std::tuple<std::shared_ptr<ServerSession>, std::shared_ptr<ClientSession>> CreateSessionPair(
const std::string& name = "Unknown", std::shared_ptr<ClientPort> client_port = nullptr);
SessionPair CreateSessionPair(const std::string& name = "Unknown",
std::shared_ptr<ClientPort> client_port = nullptr);
ResourceLimitList& ResourceLimit();
const ResourceLimitList& ResourceLimit() const;

6
src/core/hle/kernel/server_port.cpp
View file

@ -35,9 +35,7 @@ void ServerPort::Acquire(Thread* thread) {
ASSERT_MSG(!ShouldWait(thread), "object unavailable!");
}
std::tuple<std::shared_ptr<ServerPort>, std::shared_ptr<ClientPort>> KernelSystem::CreatePortPair(
u32 max_sessions, std::string name) {
KernelSystem::PortPair KernelSystem::CreatePortPair(u32 max_sessions, std::string name) {
auto server_port{std::make_shared<ServerPort>(*this)};
auto client_port{std::make_shared<ClientPort>(*this)};
@ -47,7 +45,7 @@ std::tuple<std::shared_ptr<ServerPort>, std::shared_ptr<ClientPort>> KernelSyste
client_port->max_sessions = max_sessions;
client_port->active_sessions = 0;
return std::make_tuple(std::move(server_port), std::move(client_port));
return std::make_pair(std::move(server_port), std::move(client_port));
}
} // namespace Kernel

6
src/core/hle/kernel/server_session.cpp
View file

@ -120,8 +120,8 @@ ResultCode ServerSession::HandleSyncRequest(std::shared_ptr<Thread> thread) {
return RESULT_SUCCESS;
}
std::tuple<std::shared_ptr<ServerSession>, std::shared_ptr<ClientSession>>
KernelSystem::CreateSessionPair(const std::string& name, std::shared_ptr<ClientPort> port) {
KernelSystem::SessionPair KernelSystem::CreateSessionPair(const std::string& name,
std::shared_ptr<ClientPort> port) {
auto server_session = ServerSession::Create(*this, name + "_Server").Unwrap();
auto client_session{std::make_shared<ClientSession>(*this)};
client_session->name = name + "_Client";
@ -134,7 +134,7 @@ KernelSystem::CreateSessionPair(const std::string& name, std::shared_ptr<ClientP
client_session->parent = parent;
server_session->parent = parent;
return std::make_tuple(std::move(server_session), std::move(client_session));
return std::make_pair(std::move(server_session), std::move(client_session));
}
} // namespace Kernel

12
src/core/hle/kernel/svc.cpp
View file

@ -1292,13 +1292,11 @@ ResultCode SVC::CreatePort(Handle* server_port, Handle* client_port, VAddr name_
std::shared_ptr<Process> current_process = kernel.GetCurrentProcess();
auto ports = kernel.CreatePortPair(max_sessions);
CASCADE_RESULT(*client_port, current_process->handle_table.Create(
std::move(std::get<std::shared_ptr<ClientPort>>(ports))));
auto [server, client] = kernel.CreatePortPair(max_sessions);
CASCADE_RESULT(*client_port, current_process->handle_table.Create(std::move(client)));
// Note: The 3DS kernel also leaks the client port handle if the server port handle fails to be
// created.
CASCADE_RESULT(*server_port, current_process->handle_table.Create(
std::move(std::get<std::shared_ptr<ServerPort>>(ports))));
CASCADE_RESULT(*server_port, current_process->handle_table.Create(std::move(server)));
LOG_TRACE(Kernel_SVC, "called max_sessions={}", max_sessions);
return RESULT_SUCCESS;
@ -1317,14 +1315,12 @@ ResultCode SVC::CreateSessionToPort(Handle* out_client_session, Handle client_po
}
ResultCode SVC::CreateSession(Handle* server_session, Handle* client_session) {
auto sessions = kernel.CreateSessionPair();
auto [server, client] = kernel.CreateSessionPair();
std::shared_ptr<Process> current_process = kernel.GetCurrentProcess();
auto& server = std::get<std::shared_ptr<ServerSession>>(sessions);
CASCADE_RESULT(*server_session, current_process->handle_table.Create(std::move(server)));
auto& client = std::get<std::shared_ptr<ClientSession>>(sessions);
CASCADE_RESULT(*client_session, current_process->handle_table.Create(std::move(client)));
LOG_TRACE(Kernel_SVC, "called");

15
src/core/hle/service/fs/file.cpp
View file

@ -197,8 +197,7 @@ void File::OpenLinkFile(Kernel::HLERequestContext& ctx) {
using Kernel::ServerSession;
IPC::RequestParser rp(ctx, 0x080C, 0, 0);
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
auto sessions = system.Kernel().CreateSessionPair(GetName());
auto server = std::get<std::shared_ptr<ServerSession>>(sessions);
auto [server, client] = system.Kernel().CreateSessionPair(GetName());
ClientConnected(server);
FileSessionSlot* slot = GetSessionData(server);
@ -210,7 +209,7 @@ void File::OpenLinkFile(Kernel::HLERequestContext& ctx) {
slot->subfile = false;
rb.Push(RESULT_SUCCESS);
rb.PushMoveObjects(std::get<std::shared_ptr<ClientSession>>(sessions));
rb.PushMoveObjects(client);
}
void File::OpenSubFile(Kernel::HLERequestContext& ctx) {
@ -244,8 +243,7 @@ void File::OpenSubFile(Kernel::HLERequestContext& ctx) {
using Kernel::ClientSession;
using Kernel::ServerSession;
auto sessions = system.Kernel().CreateSessionPair(GetName());
auto server = std::get<std::shared_ptr<ServerSession>>(sessions);
auto [server, client] = system.Kernel().CreateSessionPair(GetName());
ClientConnected(server);
FileSessionSlot* slot = GetSessionData(server);
@ -255,12 +253,11 @@ void File::OpenSubFile(Kernel::HLERequestContext& ctx) {
slot->subfile = true;
rb.Push(RESULT_SUCCESS);
rb.PushMoveObjects(std::get<std::shared_ptr<ClientSession>>(sessions));
rb.PushMoveObjects(client);
}
std::shared_ptr<Kernel::ClientSession> File::Connect() {
auto sessions = system.Kernel().CreateSessionPair(GetName());
auto server = std::get<std::shared_ptr<Kernel::ServerSession>>(sessions);
auto [server, client] = system.Kernel().CreateSessionPair(GetName());
ClientConnected(server);
FileSessionSlot* slot = GetSessionData(server);
@ -269,7 +266,7 @@ std::shared_ptr<Kernel::ClientSession> File::Connect() {
slot->size = backend->GetSize();
slot->subfile = false;
return std::get<std::shared_ptr<Kernel::ClientSession>>(sessions);
return client;
}
std::size_t File::GetSessionFileOffset(std::shared_ptr<Kernel::ServerSession> session) {

6
src/core/hle/service/fs/fs_user.cpp
View file

@ -306,9 +306,9 @@ void FS_USER::OpenDirectory(Kernel::HLERequestContext& ctx) {
rb.Push(dir_res.Code());
if (dir_res.Succeeded()) {
std::shared_ptr<Directory> directory = *dir_res;
auto sessions = system.Kernel().CreateSessionPair(directory->GetName());
directory->ClientConnected(std::get<std::shared_ptr<ServerSession>>(sessions));
rb.PushMoveObjects(std::get<std::shared_ptr<ClientSession>>(sessions));
auto [server, client] = system.Kernel().CreateSessionPair(directory->GetName());
directory->ClientConnected(server);
rb.PushMoveObjects(client);
} else {
LOG_ERROR(Service_FS, "failed to get a handle for directory type={} size={} data={}",
static_cast<u32>(dirname_type), dirname_size, dir_path.DebugStr());

8
src/tests/core/hle/kernel/hle_ipc.cpp
View file

@ -24,8 +24,8 @@ TEST_CASE("HLERequestContext::PopulateFromIncomingCommandBuffer", "[core][kernel
Core::Timing timing;
Memory::MemorySystem memory;
Kernel::KernelSystem kernel(memory, timing, [] {}, 0);
auto session = std::get<std::shared_ptr<ServerSession>>(kernel.CreateSessionPair());
HLERequestContext context(kernel, std::move(session), nullptr);
auto [server, client] = kernel.CreateSessionPair();
HLERequestContext context(kernel, std::move(server), nullptr);
auto process = kernel.CreateProcess(kernel.CreateCodeSet("", 0));
@ -236,8 +236,8 @@ TEST_CASE("HLERequestContext::WriteToOutgoingCommandBuffer", "[core][kernel]") {
Core::Timing timing;
Memory::MemorySystem memory;
Kernel::KernelSystem kernel(memory, timing, [] {}, 0);
auto session = std::get<std::shared_ptr<ServerSession>>(kernel.CreateSessionPair());
HLERequestContext context(kernel, std::move(session), nullptr);
auto [server, client] = kernel.CreateSessionPair();
HLERequestContext context(kernel, std::move(server), nullptr);
auto process = kernel.CreateProcess(kernel.CreateCodeSet("", 0));
auto* input = context.CommandBuffer();