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hle: kernel: svc: Migrate GetProcessId, CancelSynchronization, SetThreadActivity.

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This commit is contained in:
bunnei 2021-04-11 12:49:18 -07:00
parent 84bb772003
commit 76a0814142
1 changed files with 67 additions and 13 deletions
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80
src/core/hle/kernel/svc.cpp
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@ -390,17 +390,43 @@ static ResultCode GetThreadId32(Core::System& system, u32* out_thread_id_low,
} }
/// Gets the ID of the specified process or a specified thread's owning process. /// Gets the ID of the specified process or a specified thread's owning process.
static ResultCode GetProcessId(Core::System& system, u64* process_id, Handle handle) { static ResultCode GetProcessId(Core::System& system, u64* out_process_id, Handle handle) {
__debugbreak(); LOG_DEBUG(Kernel_SVC, "called handle=0x{:08X}", handle);
// Get the object from the handle table.
KScopedAutoObject obj =
system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KAutoObject>(
static_cast<Handle>(handle));
R_UNLESS(obj.IsNotNull(), ResultInvalidHandle);
// Get the process from the object.
Process* process = nullptr;
if (Process* p = obj->DynamicCast<Process*>(); p != nullptr) {
// The object is a process, so we can use it directly.
process = p;
} else if (KThread* t = obj->DynamicCast<KThread*>(); t != nullptr) {
// The object is a thread, so we want to use its parent.
process = reinterpret_cast<KThread*>(obj.GetPointerUnsafe())->GetOwnerProcess();
} else {
// TODO(bunnei): This should also handle debug objects before returning.
UNIMPLEMENTED_MSG("Debug objects not implemented");
}
// Make sure the target process exists.
R_UNLESS(process != nullptr, ResultInvalidHandle);
// Get the process id.
*out_process_id = process->GetId();
return ResultInvalidHandle; return ResultInvalidHandle;
} }
static ResultCode GetProcessId32(Core::System& system, u32* process_id_low, u32* process_id_high, static ResultCode GetProcessId32(Core::System& system, u32* out_process_id_low,
Handle handle) { u32* out_process_id_high, Handle handle) {
u64 process_id{}; u64 out_process_id{};
const auto result = GetProcessId(system, &process_id, handle); const auto result = GetProcessId(system, &out_process_id, handle);
*process_id_low = static_cast<u32>(process_id); *out_process_id_low = static_cast<u32>(out_process_id);
*process_id_high = static_cast<u32>(process_id >> 32); *out_process_id_high = static_cast<u32>(out_process_id >> 32);
return result; return result;
} }
@ -468,13 +494,21 @@ static ResultCode WaitSynchronization32(Core::System& system, u32 timeout_low, u
} }
/// Resumes a thread waiting on WaitSynchronization /// Resumes a thread waiting on WaitSynchronization
static ResultCode CancelSynchronization(Core::System& system, Handle thread_handle) { static ResultCode CancelSynchronization(Core::System& system, Handle handle) {
__debugbreak(); LOG_TRACE(Kernel_SVC, "called handle=0x{:X}", handle);
// Get the thread from its handle.
KScopedAutoObject thread =
system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(
static_cast<Handle>(handle));
// Cancel the thread's wait.
thread->WaitCancel();
return RESULT_SUCCESS; return RESULT_SUCCESS;
} }
static ResultCode CancelSynchronization32(Core::System& system, Handle thread_handle) { static ResultCode CancelSynchronization32(Core::System& system, Handle handle) {
return CancelSynchronization(system, thread_handle); return CancelSynchronization(system, handle);
} }
/// Attempts to locks a mutex /// Attempts to locks a mutex
@ -1032,7 +1066,27 @@ static ResultCode UnmapPhysicalMemory32(Core::System& system, u32 addr, u32 size
/// Sets the thread activity /// Sets the thread activity
static ResultCode SetThreadActivity(Core::System& system, Handle thread_handle, static ResultCode SetThreadActivity(Core::System& system, Handle thread_handle,
ThreadActivity thread_activity) { ThreadActivity thread_activity) {
__debugbreak(); LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, activity=0x{:08X}", thread_handle,
thread_activity);
// Validate the activity.
constexpr auto IsValidThreadActivity = [](ThreadActivity activity) {
return activity == ThreadActivity::Runnable || activity == ThreadActivity::Paused;
};
R_UNLESS(IsValidThreadActivity(thread_activity), ResultInvalidEnumValue);
// Get the thread from its handle.
KScopedAutoObject thread =
system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(thread_handle);
R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);
// Check that the activity is being set on a non-current thread for the current process.
R_UNLESS(thread->GetOwnerProcess() == system.Kernel().CurrentProcess(), ResultInvalidHandle);
R_UNLESS(thread.GetPointerUnsafe() != GetCurrentThreadPointer(system.Kernel()), ResultBusy);
// Set the activity.
R_TRY(thread->SetActivity(thread_activity));
return RESULT_SUCCESS; return RESULT_SUCCESS;
} }