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-rw-r--r--src/core/hle/kernel/hle_ipc.cpp15
-rw-r--r--src/core/hle/kernel/hle_ipc.h9
-rw-r--r--src/core/hle/kernel/k_server_session.cpp42
-rw-r--r--src/core/hle/kernel/kernel.cpp18
4 files changed, 56 insertions, 28 deletions
diff --git a/src/core/hle/kernel/hle_ipc.cpp b/src/core/hle/kernel/hle_ipc.cpp
index 260af87e5..45aced99f 100644
--- a/src/core/hle/kernel/hle_ipc.cpp
+++ b/src/core/hle/kernel/hle_ipc.cpp
@@ -41,6 +41,21 @@ SessionRequestManager::SessionRequestManager(KernelCore& kernel_) : kernel{kerne
SessionRequestManager::~SessionRequestManager() = default;
+bool SessionRequestManager::HasSessionRequestHandler(const HLERequestContext& context) const {
+ if (IsDomain() && context.HasDomainMessageHeader()) {
+ const auto& message_header = context.GetDomainMessageHeader();
+ const auto object_id = message_header.object_id;
+
+ if (object_id > DomainHandlerCount()) {
+ LOG_CRITICAL(IPC, "object_id {} is too big!", object_id);
+ return false;
+ }
+ return DomainHandler(object_id - 1) != nullptr;
+ } else {
+ return session_handler != nullptr;
+ }
+}
+
void SessionRequestHandler::ClientConnected(KServerSession* session) {
session->SetSessionHandler(shared_from_this());
}
diff --git a/src/core/hle/kernel/hle_ipc.h b/src/core/hle/kernel/hle_ipc.h
index 2aaf93fca..a61870f8b 100644
--- a/src/core/hle/kernel/hle_ipc.h
+++ b/src/core/hle/kernel/hle_ipc.h
@@ -85,8 +85,8 @@ public:
*/
void ClientDisconnected(KServerSession* session);
- std::shared_ptr<ServiceThread> GetServiceThread() const {
- return service_thread.lock();
+ std::weak_ptr<ServiceThread> GetServiceThread() const {
+ return service_thread;
}
protected:
@@ -152,10 +152,12 @@ public:
session_handler = std::move(handler);
}
- std::shared_ptr<ServiceThread> GetServiceThread() const {
+ std::weak_ptr<ServiceThread> GetServiceThread() const {
return session_handler->GetServiceThread();
}
+ bool HasSessionRequestHandler(const HLERequestContext& context) const;
+
private:
bool is_domain{};
SessionRequestHandlerPtr session_handler;
@@ -163,7 +165,6 @@ private:
private:
KernelCore& kernel;
- std::weak_ptr<ServiceThread> service_thread;
};
/**
diff --git a/src/core/hle/kernel/k_server_session.cpp b/src/core/hle/kernel/k_server_session.cpp
index 528ca8614..5c3c13ce6 100644
--- a/src/core/hle/kernel/k_server_session.cpp
+++ b/src/core/hle/kernel/k_server_session.cpp
@@ -8,6 +8,7 @@
#include "common/assert.h"
#include "common/common_types.h"
#include "common/logging/log.h"
+#include "common/scope_exit.h"
#include "core/core_timing.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/hle_ipc.h"
@@ -119,11 +120,25 @@ ResultCode KServerSession::QueueSyncRequest(KThread* thread, Core::Memory::Memor
context->PopulateFromIncomingCommandBuffer(kernel.CurrentProcess()->GetHandleTable(), cmd_buf);
- if (auto strong_ptr = manager->GetServiceThread(); strong_ptr) {
- strong_ptr->QueueSyncRequest(*parent, std::move(context));
- return ResultSuccess;
+ // In the event that something fails here, stub a result to prevent the game from crashing.
+ // This is a work-around in the event that somehow we process a service request after the
+ // session has been closed by the game. This has been observed to happen rarely in Pokemon
+ // Sword/Shield and is likely a result of us using host threads/scheduling for services.
+ // TODO(bunnei): Find a better solution here.
+ auto error_guard = SCOPE_GUARD({ CompleteSyncRequest(*context); });
+
+ // Ensure we have a session request handler
+ if (manager->HasSessionRequestHandler(*context)) {
+ if (auto strong_ptr = manager->GetServiceThread().lock()) {
+ strong_ptr->QueueSyncRequest(*parent, std::move(context));
+
+ // We succeeded.
+ error_guard.Cancel();
+ } else {
+ ASSERT_MSG(false, "strong_ptr is nullptr!");
+ }
} else {
- ASSERT_MSG(false, "strong_ptr was nullptr!");
+ ASSERT_MSG(false, "handler is invalid!");
}
return ResultSuccess;
@@ -131,13 +146,20 @@ ResultCode KServerSession::QueueSyncRequest(KThread* thread, Core::Memory::Memor
ResultCode KServerSession::CompleteSyncRequest(HLERequestContext& context) {
ResultCode result = ResultSuccess;
+
// If the session has been converted to a domain, handle the domain request
- if (IsDomain() && context.HasDomainMessageHeader()) {
- result = HandleDomainSyncRequest(context);
- // If there is no domain header, the regular session handler is used
- } else if (manager->HasSessionHandler()) {
- // If this ServerSession has an associated HLE handler, forward the request to it.
- result = manager->SessionHandler().HandleSyncRequest(*this, context);
+ if (manager->HasSessionRequestHandler(context)) {
+ if (IsDomain() && context.HasDomainMessageHeader()) {
+ result = HandleDomainSyncRequest(context);
+ // If there is no domain header, the regular session handler is used
+ } else if (manager->HasSessionHandler()) {
+ // If this ServerSession has an associated HLE handler, forward the request to it.
+ result = manager->SessionHandler().HandleSyncRequest(*this, context);
+ }
+ } else {
+ ASSERT_MSG(false, "Session handler is invalid, stubbing response!");
+ IPC::ResponseBuilder rb(context, 2);
+ rb.Push(ResultSuccess);
}
if (convert_to_domain) {
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 0ffb78d51..2ceeaeb5f 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -63,8 +63,6 @@ struct KernelCore::Impl {
global_scheduler_context = std::make_unique<Kernel::GlobalSchedulerContext>(kernel);
global_handle_table = std::make_unique<Kernel::KHandleTable>(kernel);
- service_thread_manager =
- std::make_unique<Common::ThreadWorker>(1, "yuzu:ServiceThreadManager");
is_phantom_mode_for_singlecore = false;
InitializePhysicalCores();
@@ -96,7 +94,6 @@ struct KernelCore::Impl {
process_list.clear();
// Ensures all service threads gracefully shutdown
- service_thread_manager.reset();
service_threads.clear();
next_object_id = 0;
@@ -680,10 +677,6 @@ struct KernelCore::Impl {
// Threads used for services
std::unordered_set<std::shared_ptr<Kernel::ServiceThread>> service_threads;
- // Service threads are managed by a worker thread, so that a calling service thread can queue up
- // the release of itself
- std::unique_ptr<Common::ThreadWorker> service_thread_manager;
-
std::array<KThread*, Core::Hardware::NUM_CPU_CORES> suspend_threads;
std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES> interrupts{};
std::array<std::unique_ptr<Kernel::KScheduler>, Core::Hardware::NUM_CPU_CORES> schedulers{};
@@ -986,17 +979,14 @@ void KernelCore::ExitSVCProfile() {
std::weak_ptr<Kernel::ServiceThread> KernelCore::CreateServiceThread(const std::string& name) {
auto service_thread = std::make_shared<Kernel::ServiceThread>(*this, 1, name);
- impl->service_thread_manager->QueueWork(
- [this, service_thread] { impl->service_threads.emplace(service_thread); });
+ impl->service_threads.emplace(service_thread);
return service_thread;
}
void KernelCore::ReleaseServiceThread(std::weak_ptr<Kernel::ServiceThread> service_thread) {
- impl->service_thread_manager->QueueWork([this, service_thread] {
- if (auto strong_ptr = service_thread.lock()) {
- impl->service_threads.erase(strong_ptr);
- }
- });
+ if (auto strong_ptr = service_thread.lock()) {
+ impl->service_threads.erase(strong_ptr);
+ }
}
Init::KSlabResourceCounts& KernelCore::SlabResourceCounts() {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 02:20:04 +0100