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Kernel: Fixes, corrections and asserts to scheduler and different svcs.

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This commit is contained in:
Fernando Sahmkow 2020-03-08 12:51:24 -04:00
parent 4217e58a10
commit 6515c6e8c6
8 changed files with 38 additions and 38 deletions
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27
src/core/hle/kernel/svc.cpp
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@ -1562,6 +1562,11 @@ static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr mutex_add
current_thread->SetSynchronizationResults(nullptr, RESULT_TIMEOUT);
if (thread->IsPendingTermination()) {
lock.CancelSleep();
return ERR_THREAD_TERMINATING;
}
const auto release_result = current_process->GetMutex().Release(mutex_addr);
if (release_result.IsError()) {
lock.CancelSleep();
@ -1588,6 +1593,11 @@ static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr mutex_add
{
SchedulerLock lock(kernel);
auto* owner = current_thread->GetLockOwner();
if (owner != nullptr) {
owner->RemoveMutexWaiter(SharedFrom(current_thread));
}
current_process->RemoveConditionVariableThread(SharedFrom(current_thread));
}
// Note: Deliberately don't attempt to inherit the lock owner's priority.
@ -1618,19 +1628,10 @@ static void SignalProcessWideKey(Core::System& system, VAddr condition_variable_
for (std::size_t index = 0; index < last; ++index) {
auto& thread = waiting_threads[index];
if (thread->GetStatus() != ThreadStatus::WaitCondVar) {
last++;
last = std::min(waiting_threads.size(), last);
continue;
}
time_manager.CancelTimeEvent(thread.get());
ASSERT(thread->GetCondVarWaitAddress() == condition_variable_addr);
// liberate Cond Var Thread.
current_process->RemoveConditionVariableThread(thread);
thread->SetCondVarWaitAddress(0);
const std::size_t current_core = system.CurrentCoreIndex();
auto& monitor = system.Monitor();
@ -1655,9 +1656,6 @@ static void SignalProcessWideKey(Core::System& system, VAddr condition_variable_
monitor.ClearExclusive();
if (mutex_val == 0) {
// We were able to acquire the mutex, resume this thread.
ASSERT(thread->GetStatus() == ThreadStatus::WaitCondVar);
thread->ResumeFromWait();
auto* const lock_owner = thread->GetLockOwner();
if (lock_owner != nullptr) {
lock_owner->RemoveMutexWaiter(thread);
@ -1665,13 +1663,16 @@ static void SignalProcessWideKey(Core::System& system, VAddr condition_variable_
thread->SetLockOwner(nullptr);
thread->SetSynchronizationResults(nullptr, RESULT_SUCCESS);
thread->ResumeFromWait();
} else {
// The mutex is already owned by some other thread, make this thread wait on it.
const Handle owner_handle = static_cast<Handle>(mutex_val & Mutex::MutexOwnerMask);
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
auto owner = handle_table.Get<Thread>(owner_handle);
ASSERT(owner);
thread->SetStatus(ThreadStatus::WaitMutex);
if (thread->GetStatus() == ThreadStatus::WaitCondVar) {
thread->SetStatus(ThreadStatus::WaitMutex);
}
owner->AddMutexWaiter(thread);
}