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authorbunnei <bunneidev@gmail.com>2021-03-06 02:15:35 +0100
committerGitHub <noreply@github.com>2021-03-06 02:15:35 +0100
commit4cf5b860bddbce9a5dd121ab388bdf369a877e02 (patch)
treedee4656dedce8b55888e4199b0013c9fce167e05
parentMerge pull request #6029 from Morph1984/compile-utf8 (diff)
parenthle: kernel: KThread: Rework dummy threads & fix memory leak. (diff)
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-rw-r--r--src/core/hle/kernel/k_scheduler.cpp6
-rw-r--r--src/core/hle/kernel/k_thread.cpp50
-rw-r--r--src/core/hle/kernel/k_thread.h24
-rw-r--r--src/core/hle/kernel/kernel.cpp11
-rw-r--r--src/core/hle/kernel/process.cpp5
-rw-r--r--src/core/hle/kernel/svc.cpp5
6 files changed, 65 insertions, 36 deletions
diff --git a/src/core/hle/kernel/k_scheduler.cpp b/src/core/hle/kernel/k_scheduler.cpp
index bb5f43b53..6e89c3042 100644
--- a/src/core/hle/kernel/k_scheduler.cpp
+++ b/src/core/hle/kernel/k_scheduler.cpp
@@ -800,9 +800,9 @@ void KScheduler::Initialize() {
std::string name = "Idle Thread Id:" + std::to_string(core_id);
std::function<void(void*)> init_func = Core::CpuManager::GetIdleThreadStartFunc();
void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater();
- auto thread_res = KThread::Create(system, ThreadType::Main, name, 0,
- KThread::IdleThreadPriority, 0, static_cast<u32>(core_id), 0,
- nullptr, std::move(init_func), init_func_parameter);
+ auto thread_res = KThread::CreateThread(
+ system, ThreadType::Main, name, 0, KThread::IdleThreadPriority, 0,
+ static_cast<u32>(core_id), 0, nullptr, std::move(init_func), init_func_parameter);
idle_thread = thread_res.Unwrap().get();
}
diff --git a/src/core/hle/kernel/k_thread.cpp b/src/core/hle/kernel/k_thread.cpp
index 1661afbd9..e0f53287c 100644
--- a/src/core/hle/kernel/k_thread.cpp
+++ b/src/core/hle/kernel/k_thread.cpp
@@ -995,22 +995,11 @@ std::shared_ptr<Common::Fiber>& KThread::GetHostContext() {
return host_context;
}
-ResultVal<std::shared_ptr<KThread>> KThread::Create(Core::System& system, ThreadType type_flags,
- std::string name, VAddr entry_point,
- u32 priority, u64 arg, s32 processor_id,
- VAddr stack_top, Process* owner_process) {
- std::function<void(void*)> init_func = Core::CpuManager::GetGuestThreadStartFunc();
- void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater();
- return Create(system, type_flags, name, entry_point, priority, arg, processor_id, stack_top,
- owner_process, std::move(init_func), init_func_parameter);
-}
-
-ResultVal<std::shared_ptr<KThread>> KThread::Create(Core::System& system, ThreadType type_flags,
- std::string name, VAddr entry_point,
- u32 priority, u64 arg, s32 processor_id,
- VAddr stack_top, Process* owner_process,
- std::function<void(void*)>&& thread_start_func,
- void* thread_start_parameter) {
+ResultVal<std::shared_ptr<KThread>> KThread::CreateThread(Core::System& system,
+ ThreadType type_flags, std::string name,
+ VAddr entry_point, u32 priority, u64 arg,
+ s32 processor_id, VAddr stack_top,
+ Process* owner_process) {
auto& kernel = system.Kernel();
std::shared_ptr<KThread> thread = std::make_shared<KThread>(kernel);
@@ -1027,12 +1016,35 @@ ResultVal<std::shared_ptr<KThread>> KThread::Create(Core::System& system, Thread
auto& scheduler = kernel.GlobalSchedulerContext();
scheduler.AddThread(thread);
- thread->host_context =
- std::make_shared<Common::Fiber>(std::move(thread_start_func), thread_start_parameter);
-
return MakeResult<std::shared_ptr<KThread>>(std::move(thread));
}
+ResultVal<std::shared_ptr<KThread>> KThread::CreateThread(
+ Core::System& system, ThreadType type_flags, std::string name, VAddr entry_point, u32 priority,
+ u64 arg, s32 processor_id, VAddr stack_top, Process* owner_process,
+ std::function<void(void*)>&& thread_start_func, void* thread_start_parameter) {
+ auto thread_result = CreateThread(system, type_flags, name, entry_point, priority, arg,
+ processor_id, stack_top, owner_process);
+
+ if (thread_result.Succeeded()) {
+ (*thread_result)->host_context =
+ std::make_shared<Common::Fiber>(std::move(thread_start_func), thread_start_parameter);
+ }
+
+ return thread_result;
+}
+
+ResultVal<std::shared_ptr<KThread>> KThread::CreateUserThread(
+ Core::System& system, ThreadType type_flags, std::string name, VAddr entry_point, u32 priority,
+ u64 arg, s32 processor_id, VAddr stack_top, Process* owner_process) {
+ std::function<void(void*)> init_func = Core::CpuManager::GetGuestThreadStartFunc();
+
+ void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater();
+
+ return CreateThread(system, type_flags, name, entry_point, priority, arg, processor_id,
+ stack_top, owner_process, std::move(init_func), init_func_parameter);
+}
+
KThread* GetCurrentThreadPointer(KernelCore& kernel) {
return kernel.GetCurrentEmuThread();
}
diff --git a/src/core/hle/kernel/k_thread.h b/src/core/hle/kernel/k_thread.h
index c8ac656a4..1c19b23dc 100644
--- a/src/core/hle/kernel/k_thread.h
+++ b/src/core/hle/kernel/k_thread.h
@@ -116,7 +116,7 @@ public:
using WaiterList = boost::intrusive::list<KThread>;
/**
- * Creates and returns a new thread. The new thread is immediately scheduled
+ * Creates and returns a new thread.
* @param system The instance of the whole system
* @param name The friendly name desired for the thread
* @param entry_point The address at which the thread should start execution
@@ -127,12 +127,12 @@ public:
* @param owner_process The parent process for the thread, if null, it's a kernel thread
* @return A shared pointer to the newly created thread
*/
- [[nodiscard]] static ResultVal<std::shared_ptr<KThread>> Create(
+ [[nodiscard]] static ResultVal<std::shared_ptr<KThread>> CreateThread(
Core::System& system, ThreadType type_flags, std::string name, VAddr entry_point,
u32 priority, u64 arg, s32 processor_id, VAddr stack_top, Process* owner_process);
/**
- * Creates and returns a new thread. The new thread is immediately scheduled
+ * Creates and returns a new thread, with a specified entry point.
* @param system The instance of the whole system
* @param name The friendly name desired for the thread
* @param entry_point The address at which the thread should start execution
@@ -145,11 +145,27 @@ public:
* @param thread_start_parameter The parameter which will passed to host context on init
* @return A shared pointer to the newly created thread
*/
- [[nodiscard]] static ResultVal<std::shared_ptr<KThread>> Create(
+ [[nodiscard]] static ResultVal<std::shared_ptr<KThread>> CreateThread(
Core::System& system, ThreadType type_flags, std::string name, VAddr entry_point,
u32 priority, u64 arg, s32 processor_id, VAddr stack_top, Process* owner_process,
std::function<void(void*)>&& thread_start_func, void* thread_start_parameter);
+ /**
+ * Creates and returns a new thread for the emulated "user" process.
+ * @param system The instance of the whole system
+ * @param name The friendly name desired for the thread
+ * @param entry_point The address at which the thread should start execution
+ * @param priority The thread's priority
+ * @param arg User data to pass to the thread
+ * @param processor_id The ID(s) of the processors on which the thread is desired to be run
+ * @param stack_top The address of the thread's stack top
+ * @param owner_process The parent process for the thread, if null, it's a kernel thread
+ * @return A shared pointer to the newly created thread
+ */
+ [[nodiscard]] static ResultVal<std::shared_ptr<KThread>> CreateUserThread(
+ Core::System& system, ThreadType type_flags, std::string name, VAddr entry_point,
+ u32 priority, u64 arg, s32 processor_id, VAddr stack_top, Process* owner_process);
+
[[nodiscard]] std::string GetName() const override {
return name;
}
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 331cf3a60..780008b08 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -181,9 +181,9 @@ struct KernelCore::Impl {
std::string name = "Suspend Thread Id:" + std::to_string(i);
std::function<void(void*)> init_func = Core::CpuManager::GetSuspendThreadStartFunc();
void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater();
- auto thread_res = KThread::Create(system, ThreadType::HighPriority, std::move(name), 0,
- 0, 0, static_cast<u32>(i), 0, nullptr,
- std::move(init_func), init_func_parameter);
+ auto thread_res = KThread::CreateThread(
+ system, ThreadType::HighPriority, std::move(name), 0, 0, 0, static_cast<u32>(i), 0,
+ nullptr, std::move(init_func), init_func_parameter);
suspend_threads[i] = std::move(thread_res).Unwrap();
}
@@ -221,10 +221,9 @@ struct KernelCore::Impl {
// Gets the dummy KThread for the caller, allocating a new one if this is the first time
KThread* GetHostDummyThread() {
const thread_local auto thread =
- KThread::Create(
+ KThread::CreateThread(
system, ThreadType::Main, fmt::format("DummyThread:{}", GetHostThreadId()), 0,
- KThread::DefaultThreadPriority, 0, static_cast<u32>(3), 0, nullptr,
- []([[maybe_unused]] void* arg) { UNREACHABLE(); }, nullptr)
+ KThread::DefaultThreadPriority, 0, static_cast<u32>(3), 0, nullptr)
.Unwrap();
return thread.get();
}
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp
index 73b85d6f9..9d5956ead 100644
--- a/src/core/hle/kernel/process.cpp
+++ b/src/core/hle/kernel/process.cpp
@@ -40,8 +40,9 @@ namespace {
void SetupMainThread(Core::System& system, Process& owner_process, u32 priority, VAddr stack_top) {
const VAddr entry_point = owner_process.PageTable().GetCodeRegionStart();
ASSERT(owner_process.GetResourceLimit()->Reserve(LimitableResource::Threads, 1));
- auto thread_res = KThread::Create(system, ThreadType::User, "main", entry_point, priority, 0,
- owner_process.GetIdealCoreId(), stack_top, &owner_process);
+ auto thread_res =
+ KThread::CreateUserThread(system, ThreadType::User, "main", entry_point, priority, 0,
+ owner_process.GetIdealCoreId(), stack_top, &owner_process);
std::shared_ptr<KThread> thread = std::move(thread_res).Unwrap();
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index cc8fa6576..326d3b9ec 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -1532,8 +1532,9 @@ static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr e
std::shared_ptr<KThread> thread;
{
KScopedLightLock lk{process.GetStateLock()};
- CASCADE_RESULT(thread, KThread::Create(system, ThreadType::User, "", entry_point, priority,
- arg, core_id, stack_bottom, &process));
+ CASCADE_RESULT(thread,
+ KThread::CreateUserThread(system, ThreadType::User, "", entry_point,
+ priority, arg, core_id, stack_bottom, &process));
}
const auto new_thread_handle = process.GetHandleTable().Create(thread);