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author | bunnei <bunneidev@gmail.com> | 2019-04-25 04:56:08 +0200 |
---|---|---|
committer | GitHub <noreply@github.com> | 2019-04-25 04:56:08 +0200 |
commit | 78574e7a470a29e7ef0c1cc062d334d133c60830 (patch) | |
tree | 9027d3466f0f588c5f14af0e23c7f7b128c79330 | |
parent | Merge pull request #2424 from FernandoS27/compat (diff) | |
parent | kernel/thread: Unify wait synchronization types (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/kernel/kernel.cpp | 3 | ||||
-rw-r--r-- | src/core/hle/kernel/process.cpp | 3 | ||||
-rw-r--r-- | src/core/hle/kernel/svc.cpp | 10 | ||||
-rw-r--r-- | src/core/hle/kernel/thread.cpp | 9 | ||||
-rw-r--r-- | src/core/hle/kernel/thread.h | 40 | ||||
-rw-r--r-- | src/core/hle/kernel/wait_object.cpp | 29 | ||||
-rw-r--r-- | src/yuzu/debugger/wait_tree.cpp | 11 |
7 files changed, 54 insertions, 51 deletions
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index 8539fabe4..757e5f21f 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -46,8 +46,7 @@ static void ThreadWakeupCallback(u64 thread_handle, [[maybe_unused]] s64 cycles_ bool resume = true; - if (thread->GetStatus() == ThreadStatus::WaitSynchAny || - thread->GetStatus() == ThreadStatus::WaitSynchAll || + if (thread->GetStatus() == ThreadStatus::WaitSynch || thread->GetStatus() == ThreadStatus::WaitHLEEvent) { // Remove the thread from each of its waiting objects' waitlists for (const auto& object : thread->GetWaitObjects()) { diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp index 6d7a7e754..20d01fc88 100644 --- a/src/core/hle/kernel/process.cpp +++ b/src/core/hle/kernel/process.cpp @@ -147,8 +147,7 @@ void Process::PrepareForTermination() { continue; // TODO(Subv): When are the other running/ready threads terminated? - ASSERT_MSG(thread->GetStatus() == ThreadStatus::WaitSynchAny || - thread->GetStatus() == ThreadStatus::WaitSynchAll, + ASSERT_MSG(thread->GetStatus() == ThreadStatus::WaitSynch, "Exiting processes with non-waiting threads is currently unimplemented"); thread->Stop(); diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index 4c763b288..2dcf174c5 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -424,7 +424,7 @@ static ResultCode GetProcessId(Core::System& system, u64* process_id, Handle han /// Default thread wakeup callback for WaitSynchronization static bool DefaultThreadWakeupCallback(ThreadWakeupReason reason, SharedPtr<Thread> thread, SharedPtr<WaitObject> object, std::size_t index) { - ASSERT(thread->GetStatus() == ThreadStatus::WaitSynchAny); + ASSERT(thread->GetStatus() == ThreadStatus::WaitSynch); if (reason == ThreadWakeupReason::Timeout) { thread->SetWaitSynchronizationResult(RESULT_TIMEOUT); @@ -502,7 +502,7 @@ static ResultCode WaitSynchronization(Core::System& system, Handle* index, VAddr } thread->SetWaitObjects(std::move(objects)); - thread->SetStatus(ThreadStatus::WaitSynchAny); + thread->SetStatus(ThreadStatus::WaitSynch); // Create an event to wake the thread up after the specified nanosecond delay has passed thread->WakeAfterDelay(nano_seconds); @@ -518,16 +518,14 @@ static ResultCode CancelSynchronization(Core::System& system, Handle thread_hand LOG_TRACE(Kernel_SVC, "called thread=0x{:X}", thread_handle); const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable(); - const SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle); + SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle); if (!thread) { LOG_ERROR(Kernel_SVC, "Thread handle does not exist, thread_handle=0x{:08X}", thread_handle); return ERR_INVALID_HANDLE; } - ASSERT(thread->GetStatus() == ThreadStatus::WaitSynchAny); - thread->SetWaitSynchronizationResult(ERR_SYNCHRONIZATION_CANCELED); - thread->ResumeFromWait(); + thread->CancelWait(); return RESULT_SUCCESS; } diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp index ca52267b2..2abf9efca 100644 --- a/src/core/hle/kernel/thread.cpp +++ b/src/core/hle/kernel/thread.cpp @@ -101,8 +101,7 @@ void Thread::ResumeFromWait() { ASSERT_MSG(wait_objects.empty(), "Thread is waking up while waiting for objects"); switch (status) { - case ThreadStatus::WaitSynchAll: - case ThreadStatus::WaitSynchAny: + case ThreadStatus::WaitSynch: case ThreadStatus::WaitHLEEvent: case ThreadStatus::WaitSleep: case ThreadStatus::WaitIPC: @@ -142,6 +141,12 @@ void Thread::ResumeFromWait() { ChangeScheduler(); } +void Thread::CancelWait() { + ASSERT(GetStatus() == ThreadStatus::WaitSynch); + SetWaitSynchronizationResult(ERR_SYNCHRONIZATION_CANCELED); + ResumeFromWait(); +} + /** * Resets a thread context, making it ready to be scheduled and run by the CPU * @param context Thread context to reset diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h index 411a73b49..f07332f02 100644 --- a/src/core/hle/kernel/thread.h +++ b/src/core/hle/kernel/thread.h @@ -49,8 +49,7 @@ enum class ThreadStatus { WaitHLEEvent, ///< Waiting for hle event to finish WaitSleep, ///< Waiting due to a SleepThread SVC WaitIPC, ///< Waiting for the reply from an IPC request - WaitSynchAny, ///< Waiting due to WaitSynch1 or WaitSynchN with wait_all = false - WaitSynchAll, ///< Waiting due to WaitSynchronizationN with wait_all = true + WaitSynch, ///< Waiting due to WaitSynchronization WaitMutex, ///< Waiting due to an ArbitrateLock svc WaitCondVar, ///< Waiting due to an WaitProcessWideKey svc WaitArb, ///< Waiting due to a SignalToAddress/WaitForAddress svc @@ -169,11 +168,17 @@ public: return tls_memory; } - /** - * Resumes a thread from waiting - */ + /// Resumes a thread from waiting void ResumeFromWait(); + /// Cancels a waiting operation that this thread may or may not be within. + /// + /// When the thread is within a waiting state, this will set the thread's + /// waiting result to signal a canceled wait. The function will then resume + /// this thread. + /// + void CancelWait(); + /** * Schedules an event to wake up the specified thread after the specified delay * @param nanoseconds The time this thread will be allowed to sleep for @@ -184,24 +189,27 @@ public: void CancelWakeupTimer(); /** - * Sets the result after the thread awakens (from either WaitSynchronization SVC) + * Sets the result after the thread awakens (from svcWaitSynchronization) * @param result Value to set to the returned result */ void SetWaitSynchronizationResult(ResultCode result); /** - * Sets the output parameter value after the thread awakens (from WaitSynchronizationN SVC only) + * Sets the output parameter value after the thread awakens (from svcWaitSynchronization) * @param output Value to set to the output parameter */ void SetWaitSynchronizationOutput(s32 output); /** * Retrieves the index that this particular object occupies in the list of objects - * that the thread passed to WaitSynchronizationN, starting the search from the last element. - * It is used to set the output value of WaitSynchronizationN when the thread is awakened. + * that the thread passed to WaitSynchronization, starting the search from the last element. + * + * It is used to set the output index of WaitSynchronization when the thread is awakened. + * * When a thread wakes up due to an object signal, the kernel will use the index of the last * matching object in the wait objects list in case of having multiple instances of the same * object in the list. + * * @param object Object to query the index of. */ s32 GetWaitObjectIndex(const WaitObject* object) const; @@ -238,13 +246,9 @@ public: */ VAddr GetCommandBufferAddress() const; - /** - * Returns whether this thread is waiting for all the objects in - * its wait list to become ready, as a result of a WaitSynchronizationN call - * with wait_all = true. - */ - bool IsSleepingOnWaitAll() const { - return status == ThreadStatus::WaitSynchAll; + /// Returns whether this thread is waiting on objects from a WaitSynchronization call. + bool IsSleepingOnWait() const { + return status == ThreadStatus::WaitSynch; } ThreadContext& GetContext() { @@ -418,7 +422,7 @@ private: Process* owner_process; /// Objects that the thread is waiting on, in the same order as they were - /// passed to WaitSynchronization1/N. + /// passed to WaitSynchronization. ThreadWaitObjects wait_objects; /// List of threads that are waiting for a mutex that is held by this thread. @@ -441,7 +445,7 @@ private: Handle callback_handle = 0; /// Callback that will be invoked when the thread is resumed from a waiting state. If the thread - /// was waiting via WaitSynchronizationN then the object will be the last object that became + /// was waiting via WaitSynchronization then the object will be the last object that became /// available. In case of a timeout, the object will be nullptr. WakeupCallback wakeup_callback; diff --git a/src/core/hle/kernel/wait_object.cpp b/src/core/hle/kernel/wait_object.cpp index c8eaf9488..0e96ba872 100644 --- a/src/core/hle/kernel/wait_object.cpp +++ b/src/core/hle/kernel/wait_object.cpp @@ -38,8 +38,7 @@ SharedPtr<Thread> WaitObject::GetHighestPriorityReadyThread() const { const ThreadStatus thread_status = thread->GetStatus(); // The list of waiting threads must not contain threads that are not waiting to be awakened. - ASSERT_MSG(thread_status == ThreadStatus::WaitSynchAny || - thread_status == ThreadStatus::WaitSynchAll || + ASSERT_MSG(thread_status == ThreadStatus::WaitSynch || thread_status == ThreadStatus::WaitHLEEvent, "Inconsistent thread statuses in waiting_threads"); @@ -49,10 +48,10 @@ SharedPtr<Thread> WaitObject::GetHighestPriorityReadyThread() const { if (ShouldWait(thread.get())) continue; - // A thread is ready to run if it's either in ThreadStatus::WaitSynchAny or - // in ThreadStatus::WaitSynchAll and the rest of the objects it is waiting on are ready. + // A thread is ready to run if it's either in ThreadStatus::WaitSynch + // and the rest of the objects it is waiting on are ready. bool ready_to_run = true; - if (thread_status == ThreadStatus::WaitSynchAll) { + if (thread_status == ThreadStatus::WaitSynch) { ready_to_run = thread->AllWaitObjectsReady(); } @@ -68,33 +67,35 @@ SharedPtr<Thread> WaitObject::GetHighestPriorityReadyThread() const { void WaitObject::WakeupWaitingThread(SharedPtr<Thread> thread) { ASSERT(!ShouldWait(thread.get())); - if (!thread) + if (!thread) { return; + } - if (!thread->IsSleepingOnWaitAll()) { - Acquire(thread.get()); - } else { + if (thread->IsSleepingOnWait()) { for (const auto& object : thread->GetWaitObjects()) { ASSERT(!object->ShouldWait(thread.get())); object->Acquire(thread.get()); } + } else { + Acquire(thread.get()); } const std::size_t index = thread->GetWaitObjectIndex(this); - for (const auto& object : thread->GetWaitObjects()) + for (const auto& object : thread->GetWaitObjects()) { object->RemoveWaitingThread(thread.get()); + } thread->ClearWaitObjects(); thread->CancelWakeupTimer(); bool resume = true; - - if (thread->HasWakeupCallback()) + if (thread->HasWakeupCallback()) { resume = thread->InvokeWakeupCallback(ThreadWakeupReason::Signal, thread, this, index); - - if (resume) + } + if (resume) { thread->ResumeFromWait(); + } } void WaitObject::WakeupAllWaitingThreads() { diff --git a/src/yuzu/debugger/wait_tree.cpp b/src/yuzu/debugger/wait_tree.cpp index 593bb681f..85b095688 100644 --- a/src/yuzu/debugger/wait_tree.cpp +++ b/src/yuzu/debugger/wait_tree.cpp @@ -227,8 +227,7 @@ QString WaitTreeThread::GetText() const { case Kernel::ThreadStatus::WaitIPC: status = tr("waiting for IPC reply"); break; - case Kernel::ThreadStatus::WaitSynchAll: - case Kernel::ThreadStatus::WaitSynchAny: + case Kernel::ThreadStatus::WaitSynch: status = tr("waiting for objects"); break; case Kernel::ThreadStatus::WaitMutex: @@ -269,8 +268,7 @@ QColor WaitTreeThread::GetColor() const { return QColor(Qt::GlobalColor::darkRed); case Kernel::ThreadStatus::WaitSleep: return QColor(Qt::GlobalColor::darkYellow); - case Kernel::ThreadStatus::WaitSynchAll: - case Kernel::ThreadStatus::WaitSynchAny: + case Kernel::ThreadStatus::WaitSynch: case Kernel::ThreadStatus::WaitMutex: case Kernel::ThreadStatus::WaitCondVar: case Kernel::ThreadStatus::WaitArb: @@ -325,10 +323,9 @@ std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeThread::GetChildren() const { list.push_back(std::make_unique<WaitTreeText>(tr("not waiting for mutex"))); } - if (thread.GetStatus() == Kernel::ThreadStatus::WaitSynchAny || - thread.GetStatus() == Kernel::ThreadStatus::WaitSynchAll) { + if (thread.GetStatus() == Kernel::ThreadStatus::WaitSynch) { list.push_back(std::make_unique<WaitTreeObjectList>(thread.GetWaitObjects(), - thread.IsSleepingOnWaitAll())); + thread.IsSleepingOnWait())); } list.push_back(std::make_unique<WaitTreeCallstack>(thread)); |