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kern SvcGetCurrentProcessorNumber, SvcSetProcessActivity, half of SvcSetThreadActivity

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Michael Scire 2020-07-23 03:04:43 -07:00 • committed by SciresM
commit 1d4d637818
6 changed files with 148 additions and 7 deletions
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35
libraries/libmesosphere/source/kern_k_thread.cpp
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@ -450,6 +450,7 @@ namespace ams::kern {
MESOSPHERE_ASSERT(this->parent != nullptr);
MESOSPHERE_ASSERT(affinity_mask != 0);
{
KScopedLightLock lk(this->activity_pause_lock);
KScopedSchedulerLock sl;
MESOSPHERE_ASSERT(this->num_core_migration_disables >= 0);
@ -491,6 +492,8 @@ namespace ams::kern {
}
}
/* TODO: Paused waiter list. */
return ResultSuccess();
}
@ -610,6 +613,38 @@ namespace ams::kern {
KScheduler::OnThreadStateChanged(this, old_state);
}
Result KThread::SetActivity(ams::svc::ThreadActivity activity) {
/* Lock ourselves and the scheduler. */
KScopedLightLock lk(this->activity_pause_lock);
KScopedSchedulerLock sl;
/* Verify our state. */
const auto cur_state = this->GetState();
R_UNLESS((cur_state == ThreadState_Waiting || cur_state == ThreadState_Runnable), svc::ResultInvalidState());
/* Either pause or resume. */
if (activity == ams::svc::ThreadActivity_Paused) {
/* Verify that we're not suspended. */
R_UNLESS(!this->IsSuspendRequested(SuspendType_Thread), svc::ResultInvalidState());
/* Suspend. */
this->RequestSuspend(SuspendType_Thread);
/* TODO: Paused waiter list. */
MESOSPHERE_UNIMPLEMENTED();
} else {
MESOSPHERE_ASSERT(activity == ams::svc::ThreadActivity_Runnable);
/* Verify that we're suspended. */
R_UNLESS(this->IsSuspendRequested(SuspendType_Thread), svc::ResultInvalidState());
/* Resume. */
this->Resume(SuspendType_Thread);
}
return ResultSuccess();
}
void KThread::AddWaiterImpl(KThread *thread) {
MESOSPHERE_ASSERT_THIS();
MESOSPHERE_ASSERT(KScheduler::IsSchedulerLockedByCurrentThread());