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author | Fernando Sahmkow <fsahmkow27@gmail.com> | 2020-02-27 03:26:53 +0100 |
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committer | Fernando Sahmkow <fsahmkow27@gmail.com> | 2020-06-27 17:35:17 +0200 |
commit | d4ebb510a05d29befde6556e632413e5b35b9ab5 (patch) | |
tree | 309755a4ef21b48f12cca6c40798dccd191cf860 /src/core/hle/kernel/svc.cpp | |
parent | SVC: Cleanup old methods. (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/kernel/svc.cpp | 75 |
1 files changed, 48 insertions, 27 deletions
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index 8634d3feb..a5193063b 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -1541,33 +1541,50 @@ static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr mutex_add return ERR_INVALID_ADDRESS; } - UNIMPLEMENTED(); - ASSERT(condition_variable_addr == Common::AlignDown(condition_variable_addr, 4)); - + auto& kernel = system.Kernel(); + Handle event_handle; + Thread* current_thread = system.CurrentScheduler().GetCurrentThread(); auto* const current_process = system.Kernel().CurrentProcess(); - const auto& handle_table = current_process->GetHandleTable(); - std::shared_ptr<Thread> thread = handle_table.Get<Thread>(thread_handle); - ASSERT(thread); + { + SchedulerLockAndSleep lock(kernel, event_handle, current_thread, nano_seconds); + const auto& handle_table = current_process->GetHandleTable(); + std::shared_ptr<Thread> thread = handle_table.Get<Thread>(thread_handle); + ASSERT(thread); + + current_thread->SetSynchronizationResults(nullptr, RESULT_TIMEOUT); + + const auto release_result = current_process->GetMutex().Release(mutex_addr); + if (release_result.IsError()) { + lock.CancelSleep(); + return release_result; + } - const auto release_result = current_process->GetMutex().Release(mutex_addr); - if (release_result.IsError()) { - return release_result; + if (nano_seconds == 0) { + lock.CancelSleep(); + return RESULT_TIMEOUT; + } + + current_thread->SetCondVarWaitAddress(condition_variable_addr); + current_thread->SetMutexWaitAddress(mutex_addr); + current_thread->SetWaitHandle(thread_handle); + current_thread->SetStatus(ThreadStatus::WaitCondVar); + current_process->InsertConditionVariableThread(SharedFrom(current_thread)); } - Thread* current_thread = system.CurrentScheduler().GetCurrentThread(); - current_thread->SetCondVarWaitAddress(condition_variable_addr); - current_thread->SetMutexWaitAddress(mutex_addr); - current_thread->SetWaitHandle(thread_handle); - current_thread->SetStatus(ThreadStatus::WaitCondVar); - current_thread->InvalidateWakeupCallback(); - current_process->InsertConditionVariableThread(SharedFrom(current_thread)); + if (event_handle != InvalidHandle) { + auto& time_manager = kernel.TimeManager(); + time_manager.UnscheduleTimeEvent(event_handle); + } - current_thread->WakeAfterDelay(nano_seconds); + { + SchedulerLock lock(kernel); + current_process->RemoveConditionVariableThread(SharedFrom(current_thread)); + } // Note: Deliberately don't attempt to inherit the lock owner's priority. - return RESULT_SUCCESS; + return current_thread->GetSignalingResult(); } /// Signal process wide key @@ -1577,10 +1594,10 @@ static void SignalProcessWideKey(Core::System& system, VAddr condition_variable_ ASSERT(condition_variable_addr == Common::AlignDown(condition_variable_addr, 4)); - UNIMPLEMENTED(); - // Retrieve a list of all threads that are waiting for this condition variable. - auto* const current_process = system.Kernel().CurrentProcess(); + auto& kernel = system.Kernel(); + SchedulerLock lock(kernel); + auto* const current_process = kernel.CurrentProcess(); std::vector<std::shared_ptr<Thread>> waiting_threads = current_process->GetConditionVariableThreads(condition_variable_addr); @@ -1589,10 +1606,18 @@ static void SignalProcessWideKey(Core::System& system, VAddr condition_variable_ std::size_t last = waiting_threads.size(); if (target > 0) last = std::min(waiting_threads.size(), static_cast<std::size_t>(target)); - + auto& time_manager = kernel.TimeManager(); 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. @@ -1630,17 +1655,13 @@ static void SignalProcessWideKey(Core::System& system, VAddr condition_variable_ } thread->SetLockOwner(nullptr); - thread->SetMutexWaitAddress(0); - thread->SetWaitHandle(0); - thread->SetWaitSynchronizationResult(RESULT_SUCCESS); + thread->SetSynchronizationResults(nullptr, RESULT_SUCCESS); } 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); - ASSERT(thread->GetStatus() == ThreadStatus::WaitCondVar); - thread->InvalidateWakeupCallback(); thread->SetStatus(ThreadStatus::WaitMutex); owner->AddMutexWaiter(thread); |