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hle: kernel: Migrate KReadableEvent and KWritableEvent to KAutoObject.

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This commit is contained in:
bunnei 2021-04-10 02:34:26 -07:00
parent eba3bb9d21
commit 2e8d6fe9a0
35 changed files with 219 additions and 204 deletions
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72
src/core/hle/kernel/svc.cpp
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@ -1745,16 +1745,16 @@ static ResultCode ResetSignal(Core::System& system, Handle handle) {
// Try to reset as readable event.
{
auto readable_event = handle_table.Get<KReadableEvent>(handle);
if (readable_event) {
KScopedAutoObject readable_event = handle_table.GetObject<KReadableEvent>(handle);
if (readable_event.IsNotNull()) {
return readable_event->Reset();
}
}
// Try to reset as process.
{
auto process = handle_table.Get<Process>(handle);
if (process) {
KScopedAutoObject process = handle_table.GetObject<Process>(handle);
if (process.IsNotNull()) {
return process->Reset();
}
}
@ -1885,27 +1885,12 @@ static ResultCode SetThreadCoreMask32(Core::System& system, Handle thread_handle
static ResultCode SignalEvent(Core::System& system, Handle event_handle) {
LOG_DEBUG(Kernel_SVC, "called, event_handle=0x{:08X}", event_handle);
auto& kernel = system.Kernel();
// Get the current handle table.
const HandleTable& handle_table = kernel.CurrentProcess()->GetHandleTable();
// Reserve a new event from the process resource limit.
KScopedResourceReservation event_reservation(kernel.CurrentProcess(),
LimitableResource::Events);
if (!event_reservation.Succeeded()) {
LOG_ERROR(Kernel, "Could not reserve a new event");
return ResultResourceLimitedExceeded;
}
const HandleTable& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
// Get the writable event.
auto writable_event = handle_table.Get<KWritableEvent>(event_handle);
if (!writable_event) {
LOG_ERROR(Kernel_SVC, "Invalid event handle provided (handle={:08X})", event_handle);
return ResultInvalidHandle;
}
// Commit the successfuly reservation.
event_reservation.Commit();
KScopedAutoObject writable_event = handle_table.GetObject<KWritableEvent>(event_handle);
R_UNLESS(writable_event.IsNotNull(), ResultInvalidHandle);
return writable_event->Signal();
}
@ -1922,16 +1907,16 @@ static ResultCode ClearEvent(Core::System& system, Handle event_handle) {
// Try to clear the writable event.
{
auto writable_event = handle_table.Get<KWritableEvent>(event_handle);
if (writable_event) {
KScopedAutoObject writable_event = handle_table.GetObject<KWritableEvent>(event_handle);
if (writable_event.IsNotNull()) {
return writable_event->Clear();
}
}
// Try to clear the readable event.
{
auto readable_event = handle_table.Get<KReadableEvent>(event_handle);
if (readable_event) {
KScopedAutoObject readable_event = handle_table.GetObject<KReadableEvent>(event_handle);
if (readable_event.IsNotNull()) {
return readable_event->Clear();
}
}
@ -1950,7 +1935,12 @@ static ResultCode CreateEvent(Core::System& system, Handle* out_write, Handle* o
// Get the kernel reference and handle table.
auto& kernel = system.Kernel();
HandleTable& handle_table = kernel.CurrentProcess()->GetHandleTable();
auto& handle_table = kernel.CurrentProcess()->GetHandleTable();
// Reserve a new event from the process resource limit
KScopedResourceReservation event_reservation(kernel.CurrentProcess(),
LimitableResource::Events);
R_UNLESS(event_reservation.Succeeded(), ResultResourceLimitedExceeded);
// Create a new event.
KEvent* event = KEvent::Create(kernel);
@ -1959,22 +1949,26 @@ static ResultCode CreateEvent(Core::System& system, Handle* out_write, Handle* o
// Initialize the event.
event->Initialize("CreateEvent");
// Add the writable event to the handle table.
const auto write_create_result = handle_table.Create(event->GetWritableEvent().get());
if (write_create_result.Failed()) {
return write_create_result.Code();
}
*out_write = *write_create_result;
// Commit the thread reservation.
event_reservation.Commit();
// Ensure that we clean up the event (and its only references are handle table) on function end.
SCOPE_EXIT({
event->GetWritableEvent().Close();
event->GetReadableEvent().Close();
});
// Register the event.
KEvent::Register(kernel, event);
// Add the writable event to the handle table.
auto handle_guard = SCOPE_GUARD({ handle_table.Remove(*write_create_result); });
R_TRY(handle_table.Add(out_write, std::addressof(event->GetWritableEvent())));
// Add the writable event to the handle table.
auto handle_guard = SCOPE_GUARD({ handle_table.Remove(*out_write); });
// Add the readable event to the handle table.
const auto read_create_result = handle_table.Create(event->GetReadableEvent());
if (read_create_result.Failed()) {
return read_create_result.Code();
}
*out_read = *read_create_result;
R_TRY(handle_table.Add(out_read, std::addressof(event->GetReadableEvent())));
// We succeeded.
handle_guard.Cancel();