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kern: update pinning semantics for terminating threads

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This commit is contained in:
Michael Scire 2021-04-07 15:30:13 -07:00 • committed by SciresM
parent afb1d68d06
commit 6faa3534bf
4 changed files with 48 additions and 15 deletions
libraries/libmesosphere/source
kern_k_thread.cpp

19
libraries/libmesosphere/source/kern_k_thread.cpp
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@ -483,19 +483,17 @@ namespace ams::kern {
}
/* Allow performing thread suspension (if termination hasn't been requested). */
{
if (!this->IsTerminationRequested()) {
/* Update our allow flags. */
if (!this->IsTerminationRequested()) {
m_suspend_allowed_flags |= (1 << (SuspendType_Thread + ThreadState_SuspendShift));
}
m_suspend_allowed_flags |= (1 << (SuspendType_Thread + ThreadState_SuspendShift));
/* Update our state. */
this->UpdateState();
}
/* Update our SVC access permissions. */
MESOSPHERE_ASSERT(m_parent != nullptr);
m_parent->CopyUnpinnedSvcPermissionsTo(this->GetStackParameters());
/* Update our SVC access permissions. */
MESOSPHERE_ASSERT(m_parent != nullptr);
m_parent->CopyUnpinnedSvcPermissionsTo(this->GetStackParameters());
}
/* Resume any threads that began waiting on us while we were pinned. */
for (auto it = m_pinned_waiter_list.begin(); it != m_pinned_waiter_list.end(); ++it) {
@ -1218,6 +1216,11 @@ namespace ams::kern {
/* Register the terminating dpc. */
this->RegisterDpc(DpcFlag_Terminating);
/* If the thread is pinned, unpin it. */
if (this->GetStackParameters().is_pinned) {
this->GetOwnerProcess()->UnpinThread(this);
}
/* If the thread is suspended, continue it. */
if (this->IsSuspended()) {
m_suspend_allowed_flags = 0;