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-rw-r--r--src/core/hle/kernel/event.cpp146
1 files changed, 20 insertions, 126 deletions
diff --git a/src/core/hle/kernel/event.cpp b/src/core/hle/kernel/event.cpp
index 271190db..898e1c98 100644
--- a/src/core/hle/kernel/event.cpp
+++ b/src/core/hle/kernel/event.cpp
@@ -14,144 +14,38 @@
namespace Kernel {
-class Event : public Object {
-public:
- std::string GetTypeName() const override { return "Event"; }
- std::string GetName() const override { return name; }
+Event::Event() {}
+Event::~Event() {}
- static const HandleType HANDLE_TYPE = HandleType::Event;
- HandleType GetHandleType() const override { return HANDLE_TYPE; }
+SharedPtr<Event> Event::Create(ResetType reset_type, std::string name) {
+ SharedPtr<Event> evt(new Event);
- ResetType intitial_reset_type; ///< ResetType specified at Event initialization
- ResetType reset_type; ///< Current ResetType
-
- bool locked; ///< Event signal wait
- bool permanent_locked; ///< Hack - to set event permanent state (for easy passthrough)
- std::vector<Handle> waiting_threads; ///< Threads that are waiting for the event
- std::string name; ///< Name of event (optional)
-
- ResultVal<bool> WaitSynchronization() override {
- bool wait = locked;
- if (locked) {
- Handle thread = GetCurrentThread()->GetHandle();
- if (std::find(waiting_threads.begin(), waiting_threads.end(), thread) == waiting_threads.end()) {
- waiting_threads.push_back(thread);
- }
- Kernel::WaitCurrentThread(WAITTYPE_EVENT, this);
- }
- if (reset_type != RESETTYPE_STICKY && !permanent_locked) {
- locked = true;
- }
- return MakeResult<bool>(wait);
- }
-};
-
-/**
- * Hackish function to set an events permanent lock state, used to pass through synch blocks
- * @param handle Handle to event to change
- * @param permanent_locked Boolean permanent locked value to set event
- * @return Result of operation, 0 on success, otherwise error code
- */
-ResultCode SetPermanentLock(Handle handle, const bool permanent_locked) {
- Event* evt = g_handle_table.Get<Event>(handle).get();
- if (evt == nullptr) return InvalidHandle(ErrorModule::Kernel);
-
- evt->permanent_locked = permanent_locked;
- return RESULT_SUCCESS;
-}
-
-/**
- * Changes whether an event is locked or not
- * @param handle Handle to event to change
- * @param locked Boolean locked value to set event
- * @return Result of operation, 0 on success, otherwise error code
- */
-ResultCode SetEventLocked(const Handle handle, const bool locked) {
- Event* evt = g_handle_table.Get<Event>(handle).get();
- if (evt == nullptr) return InvalidHandle(ErrorModule::Kernel);
+ evt->signaled = false;
+ evt->reset_type = evt->intitial_reset_type = reset_type;
+ evt->name = std::move(name);
- if (!evt->permanent_locked) {
- evt->locked = locked;
- }
- return RESULT_SUCCESS;
+ return evt;
}
-/**
- * Signals an event
- * @param handle Handle to event to signal
- * @return Result of operation, 0 on success, otherwise error code
- */
-ResultCode SignalEvent(const Handle handle) {
- Event* evt = g_handle_table.Get<Event>(handle).get();
- if (evt == nullptr) return InvalidHandle(ErrorModule::Kernel);
-
- // Resume threads waiting for event to signal
- bool event_caught = false;
- for (size_t i = 0; i < evt->waiting_threads.size(); ++i) {
- Thread* thread = Kernel::g_handle_table.Get<Thread>(evt->waiting_threads[i]).get();
- if (thread != nullptr)
- thread->ResumeFromWait();
-
- // If any thread is signalled awake by this event, assume the event was "caught" and reset
- // the event. This will result in the next thread waiting on the event to block. Otherwise,
- // the event will not be reset, and the next thread to call WaitSynchronization on it will
- // not block. Not sure if this is correct behavior, but it seems to work.
- event_caught = true;
- }
- evt->waiting_threads.clear();
-
- if (!evt->permanent_locked) {
- evt->locked = event_caught;
- }
- return RESULT_SUCCESS;
+bool Event::ShouldWait() {
+ return !signaled;
}
-/**
- * Clears an event
- * @param handle Handle to event to clear
- * @return Result of operation, 0 on success, otherwise error code
- */
-ResultCode ClearEvent(Handle handle) {
- Event* evt = g_handle_table.Get<Event>(handle).get();
- if (evt == nullptr) return InvalidHandle(ErrorModule::Kernel);
+void Event::Acquire() {
+ _assert_msg_(Kernel, !ShouldWait(), "object unavailable!");
- if (!evt->permanent_locked) {
- evt->locked = true;
- }
- return RESULT_SUCCESS;
+ // Release the event if it's not sticky...
+ if (reset_type != RESETTYPE_STICKY)
+ signaled = false;
}
-/**
- * Creates an event
- * @param handle Reference to handle for the newly created mutex
- * @param reset_type ResetType describing how to create event
- * @param name Optional name of event
- * @return Newly created Event object
- */
-Event* CreateEvent(Handle& handle, const ResetType reset_type, const std::string& name) {
- Event* evt = new Event;
-
- // TOOD(yuriks): Fix error reporting
- handle = Kernel::g_handle_table.Create(evt).ValueOr(INVALID_HANDLE);
-
- evt->locked = true;
- evt->permanent_locked = false;
- evt->reset_type = evt->intitial_reset_type = reset_type;
- evt->name = name;
-
- return evt;
+void Event::Signal() {
+ signaled = true;
+ WakeupAllWaitingThreads();
}
-/**
- * Creates an event
- * @param reset_type ResetType describing how to create event
- * @param name Optional name of event
- * @return Handle to newly created Event object
- */
-Handle CreateEvent(const ResetType reset_type, const std::string& name) {
- Handle handle;
- Event* evt = CreateEvent(handle, reset_type, name);
- return handle;
+void Event::Clear() {
+ signaled = false;
}
} // namespace