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authorbunnei <bunneidev@gmail.com>2021-07-03 00:19:04 +0200
committerbunnei <bunneidev@gmail.com>2021-07-21 03:54:56 +0200
commit52caa52cc2e47d426b5af38fd8439da237836e0e (patch)
tree1412e9e92f8f3f1bd67d2d237234d149011a55d2 /src/core/hle/kernel
parenthle: kernel: KProcess: Change process termination assert to a warning. (diff)
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Diffstat (limited to 'src/core/hle/kernel')
-rw-r--r--src/core/hle/kernel/hle_ipc.cpp3
-rw-r--r--src/core/hle/kernel/k_server_session.cpp5
-rw-r--r--src/core/hle/kernel/kernel.cpp78
-rw-r--r--src/core/hle/kernel/kernel.h9
4 files changed, 82 insertions, 13 deletions
diff --git a/src/core/hle/kernel/hle_ipc.cpp b/src/core/hle/kernel/hle_ipc.cpp
index 28ed6265a..ca68fc325 100644
--- a/src/core/hle/kernel/hle_ipc.cpp
+++ b/src/core/hle/kernel/hle_ipc.cpp
@@ -58,6 +58,9 @@ bool SessionRequestManager::HasSessionRequestHandler(const HLERequestContext& co
void SessionRequestHandler::ClientConnected(KServerSession* session) {
session->ClientConnected(shared_from_this());
+
+ // Ensure our server session is tracked globally.
+ kernel.RegisterServerSession(session);
}
void SessionRequestHandler::ClientDisconnected(KServerSession* session) {
diff --git a/src/core/hle/kernel/k_server_session.cpp b/src/core/hle/kernel/k_server_session.cpp
index 5c3c13ce6..b9f24475c 100644
--- a/src/core/hle/kernel/k_server_session.cpp
+++ b/src/core/hle/kernel/k_server_session.cpp
@@ -28,7 +28,10 @@ namespace Kernel {
KServerSession::KServerSession(KernelCore& kernel_) : KSynchronizationObject{kernel_} {}
-KServerSession::~KServerSession() {}
+KServerSession::~KServerSession() {
+ // Ensure that the global list tracking server sessions does not hold on to a reference.
+ kernel.UnregisterServerSession(this);
+}
void KServerSession::Initialize(KSession* parent_session_, std::string&& name_,
std::shared_ptr<SessionRequestManager> manager_) {
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 2d5525839..92fbc5532 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -91,15 +91,39 @@ struct KernelCore::Impl {
}
void Shutdown() {
+ // Shutdown all processes.
if (current_process) {
current_process->Finalize();
current_process->Close();
current_process = nullptr;
}
-
process_list.clear();
- // Ensures all service threads gracefully shutdown
+ // Close all open server ports.
+ std::unordered_set<KServerPort*> server_ports_;
+ {
+ std::lock_guard lk(server_ports_lock);
+ server_ports_ = server_ports;
+ server_ports.clear();
+ }
+ for (auto* server_port : server_ports_) {
+ server_port->Close();
+ }
+ // Close all open server sessions.
+ std::unordered_set<KServerSession*> server_sessions_;
+ {
+ std::lock_guard lk(server_sessions_lock);
+ server_sessions_ = server_sessions;
+ server_sessions.clear();
+ }
+ for (auto* server_session : server_sessions_) {
+ server_session->Close();
+ }
+
+ // Ensure that the object list container is finalized and properly shutdown.
+ object_list_container.Finalize();
+
+ // Ensures all service threads gracefully shutdown.
service_threads.clear();
next_object_id = 0;
@@ -147,10 +171,13 @@ struct KernelCore::Impl {
next_host_thread_id = Core::Hardware::NUM_CPU_CORES;
// Track kernel objects that were not freed on shutdown
- if (registered_objects.size()) {
- LOG_WARNING(Kernel, "{} kernel objects were dangling on shutdown!",
- registered_objects.size());
- registered_objects.clear();
+ {
+ std::lock_guard lk(registered_objects_lock);
+ if (registered_objects.size()) {
+ LOG_WARNING(Kernel, "{} kernel objects were dangling on shutdown!",
+ registered_objects.size());
+ registered_objects.clear();
+ }
}
}
@@ -640,6 +667,21 @@ struct KernelCore::Impl {
user_slab_heap_size);
}
+ KClientPort* CreateNamedServicePort(std::string name) {
+ auto search = service_interface_factory.find(name);
+ if (search == service_interface_factory.end()) {
+ UNIMPLEMENTED();
+ return {};
+ }
+
+ KClientPort* port = &search->second(system.ServiceManager(), system);
+ {
+ std::lock_guard lk(server_ports_lock);
+ server_ports.insert(&port->GetParent()->GetServerPort());
+ }
+ return port;
+ }
+
std::atomic<u32> next_object_id{0};
std::atomic<u64> next_kernel_process_id{KProcess::InitialKIPIDMin};
std::atomic<u64> next_user_process_id{KProcess::ProcessIDMin};
@@ -666,7 +708,12 @@ struct KernelCore::Impl {
/// the ConnectToPort SVC.
std::unordered_map<std::string, ServiceInterfaceFactory> service_interface_factory;
NamedPortTable named_ports;
+ std::unordered_set<KServerPort*> server_ports;
+ std::unordered_set<KServerSession*> server_sessions;
std::unordered_set<KAutoObject*> registered_objects;
+ std::mutex server_ports_lock;
+ std::mutex server_sessions_lock;
+ std::mutex registered_objects_lock;
std::unique_ptr<Core::ExclusiveMonitor> exclusive_monitor;
std::vector<Kernel::PhysicalCore> cores;
@@ -855,19 +902,26 @@ void KernelCore::RegisterNamedService(std::string name, ServiceInterfaceFactory&
}
KClientPort* KernelCore::CreateNamedServicePort(std::string name) {
- auto search = impl->service_interface_factory.find(name);
- if (search == impl->service_interface_factory.end()) {
- UNIMPLEMENTED();
- return {};
- }
- return &search->second(impl->system.ServiceManager(), impl->system);
+ return impl->CreateNamedServicePort(std::move(name));
+}
+
+void KernelCore::RegisterServerSession(KServerSession* server_session) {
+ std::lock_guard lk(impl->server_sessions_lock);
+ impl->server_sessions.insert(server_session);
+}
+
+void KernelCore::UnregisterServerSession(KServerSession* server_session) {
+ std::lock_guard lk(impl->server_sessions_lock);
+ impl->server_sessions.erase(server_session);
}
void KernelCore::RegisterKernelObject(KAutoObject* object) {
+ std::lock_guard lk(impl->registered_objects_lock);
impl->registered_objects.insert(object);
}
void KernelCore::UnregisterKernelObject(KAutoObject* object) {
+ std::lock_guard lk(impl->registered_objects_lock);
impl->registered_objects.erase(object);
}
diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h
index b669ca74e..3a6db0b1c 100644
--- a/src/core/hle/kernel/kernel.h
+++ b/src/core/hle/kernel/kernel.h
@@ -45,6 +45,7 @@ class KPort;
class KProcess;
class KResourceLimit;
class KScheduler;
+class KServerSession;
class KSession;
class KSharedMemory;
class KThread;
@@ -185,6 +186,14 @@ public:
/// Opens a port to a service previously registered with RegisterNamedService.
KClientPort* CreateNamedServicePort(std::string name);
+ /// Registers a server session with the gobal emulation state, to be freed on shutdown. This is
+ /// necessary because we do not emulate processes for HLE sessions.
+ void RegisterServerSession(KServerSession* server_session);
+
+ /// Unregisters a server session previously registered with RegisterServerSession when it was
+ /// destroyed during the current emulation session.
+ void UnregisterServerSession(KServerSession* server_session);
+
/// Registers all kernel objects with the global emulation state, this is purely for tracking
/// leaks after emulation has been shutdown.
void RegisterKernelObject(KAutoObject* object);