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kern: implement KThread::Finalize

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Michael Scire 2020-07-21 04:58:54 -07:00 • committed by SciresM
parent 3265927ed7
commit 3cf793f87e
4 changed files with 117 additions and 2 deletions
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44
libraries/libmesosphere/source/kern_k_thread.cpp
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@ -251,7 +251,49 @@ namespace ams::kern {
}
void KThread::Finalize() {
MESOSPHERE_UNIMPLEMENTED();
MESOSPHERE_ASSERT_THIS();
/* If the thread has an owner process, unregister it. */
if (this->parent != nullptr) {
this->parent->UnregisterThread(this);
}
/* If the thread has a local region, delete it. */
if (this->tls_address != Null<KProcessAddress>) {
MESOSPHERE_R_ABORT_UNLESS(this->parent->DeleteThreadLocalRegion(this->tls_address));
}
/* Release any waiters. */
{
MESOSPHERE_ASSERT(this->lock_owner == nullptr);
KScopedSchedulerLock sl;
auto it = this->waiter_list.begin();
while (it != this->waiter_list.end()) {
/* The thread shouldn't be a kernel waiter. */
MESOSPHERE_ASSERT(!IsKernelAddressKey(it->GetAddressKey()));
it->SetLockOwner(nullptr);
it->SetSyncedObject(nullptr, svc::ResultInvalidState());
it->Wakeup();
it = this->waiter_list.erase(it);
}
}
/* Finalize the thread context. */
this->thread_context.Finalize();
/* Cleanup the kernel stack. */
if (this->kernel_stack_top != nullptr) {
CleanupKernelStack(reinterpret_cast<uintptr_t>(this->kernel_stack_top));
}
/* Decrement the parent process's thread count. */
if (this->parent != nullptr) {
this->parent->DecrementThreadCount();
}
/* Perform inherited finalization. */
KAutoObjectWithSlabHeapAndContainer<KThread, KSynchronizationObject>::Finalize();
}
bool KThread::IsSignaled() const {