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kernel/server_session: Return a std::pair from CreateSessionPair()

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Keeps the return type consistent with the function name. While we're at
it, we can also reduce the amount of boilerplate involved with handling
these by using structured bindings.
This commit is contained in:
Lioncash 2019-04-06 01:41:43 -04:00 committed by fearlessTobi
parent 1afc2c72d6
commit 42535468c3
7 changed files with 25 additions and 30 deletions
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9
src/core/hle/kernel/client_port.cpp
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@ -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() {

7
src/core/hle/kernel/kernel.h
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@ -83,7 +83,8 @@ public:
std::function<void()> prepare_reschedule_callback, u32 system_mode);
~KernelSystem();
using PortPair = std::tuple<std::shared_ptr<ServerPort>, std::shared_ptr<ClientPort>>;
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.
@ -160,8 +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_session.cpp
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@ -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

4
src/core/hle/kernel/svc.cpp
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@ -1315,14 +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
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@ -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
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@ -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
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@ -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();