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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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42
libraries/libmesosphere/source/kern_k_process.cpp
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@ -879,6 +879,48 @@ namespace ams::kern {
return ResultSuccess();
}
Result KProcess::SetActivity(ams::svc::ProcessActivity activity) {
/* Lock ourselves and the scheduler. */
KScopedLightLock lk(this->state_lock);
KScopedLightLock list_lk(this->list_lock);
KScopedSchedulerLock sl;
/* Validate our state. */
R_UNLESS(this->state != State_Terminating, svc::ResultInvalidState());
R_UNLESS(this->state != State_Terminated, svc::ResultInvalidState());
/* Either pause or resume. */
if (activity == ams::svc::ProcessActivity_Paused) {
/* Verify that we're not suspended. */
R_UNLESS(!this->is_suspended, svc::ResultInvalidState());
/* Suspend all threads. */
auto end = this->GetThreadList().end();
for (auto it = this->GetThreadList().begin(); it != end; ++it) {
it->RequestSuspend(KThread::SuspendType_Process);
}
/* Set ourselves as suspended. */
this->SetSuspended(true);
} else {
MESOSPHERE_ASSERT(activity == ams::svc::ProcessActivity_Runnable);
/* Verify that we're suspended. */
R_UNLESS(this->is_suspended, svc::ResultInvalidState());
/* Resume all threads. */
auto end = this->GetThreadList().end();
for (auto it = this->GetThreadList().begin(); it != end; ++it) {
it->Resume(KThread::SuspendType_Process);
}
/* Set ourselves as resumed. */
this->SetSuspended(false);
}
return ResultSuccess();
}
KProcess::State KProcess::SetDebugObject(void *debug_object) {
/* Attaching should only happen to non-null objects while the scheduler is locked. */
MESOSPHERE_ASSERT(KScheduler::IsSchedulerLockedByCurrentThread());