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Fix small bug that kept a thread as a condvar thread after being signalled.

This commit is contained in:
Fernando Sahmkow 2019-03-19 20:57:31 -04:00 committed by FernandoS27
parent acbdfdae64
commit 9c7319a4d4
2 changed files with 8 additions and 6 deletions
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3
src/core/hle/kernel/kernel.cpp
View File

@ -62,7 +62,8 @@ static void ThreadWakeupCallback(u64 thread_handle, [[maybe_unused]] int cycles_
if (thread->GetMutexWaitAddress() != 0 || thread->GetCondVarWaitAddress() != 0 ||
thread->GetWaitHandle() != 0) {
ASSERT(thread->GetStatus() == ThreadStatus::WaitMutex || thread->GetStatus() == ThreadStatus::WaitCondVar);
ASSERT(thread->GetStatus() == ThreadStatus::WaitMutex ||
thread->GetStatus() == ThreadStatus::WaitCondVar);
thread->SetMutexWaitAddress(0);
thread->SetCondVarWaitAddress(0);
thread->SetWaitHandle(0);

11
src/core/hle/kernel/svc.cpp
View File

@ -1405,6 +1405,9 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target
ASSERT(thread->GetCondVarWaitAddress() == condition_variable_addr);
// liberate Cond Var Thread.
thread->SetCondVarWaitAddress(0);
std::size_t current_core = Core::System::GetInstance().CurrentCoreIndex();
auto& monitor = Core::System::GetInstance().Monitor();
@ -1423,10 +1426,9 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target
}
} while (!monitor.ExclusiveWrite32(current_core, thread->GetMutexWaitAddress(),
thread->GetWaitHandle()));
if (mutex_val == 0) {
// We were able to acquire the mutex, resume this thread.
ASSERT(thread->GetStatus() == ThreadStatus::WaitMutex);
ASSERT(thread->GetStatus() == ThreadStatus::WaitCondVar);
thread->ResumeFromWait();
auto* const lock_owner = thread->GetLockOwner();
@ -1436,8 +1438,8 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target
thread->SetLockOwner(nullptr);
thread->SetMutexWaitAddress(0);
thread->SetCondVarWaitAddress(0);
thread->SetWaitHandle(0);
Core::System::GetInstance().CpuCore(thread->GetProcessorID()).PrepareReschedule();
} else {
// Atomically signal that the mutex now has a waiting thread.
do {
@ -1458,10 +1460,9 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target
ASSERT(owner);
ASSERT(thread->GetStatus() == ThreadStatus::WaitCondVar);
thread->InvalidateWakeupCallback();
thread->SetStatus(ThreadStatus::WaitMutex);
owner->AddMutexWaiter(thread);
Core::System::GetInstance().CpuCore(thread->GetProcessorID()).PrepareReschedule();
}
}