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Kernel: Convert Event to not use Handles

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This commit is contained in:
Yuri Kunde Schlesner 2015-01-23 03:11:25 -02:00
parent ad80ff1e32
commit d52d859936
10 changed files with 153 additions and 154 deletions
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91
src/core/hle/kernel/event.cpp
View file

@ -14,78 +14,37 @@
namespace Kernel {
class Event : public WaitObject {
public:
std::string GetTypeName() const override { return "Event"; }
std::string GetName() const override { return name; }
static const HandleType HANDLE_TYPE = HandleType::Event;
HandleType GetHandleType() const override { return HANDLE_TYPE; }
ResetType intitial_reset_type; ///< ResetType specified at Event initialization
ResetType reset_type; ///< Current ResetType
bool signaled; ///< Whether the event has already been signaled
std::string name; ///< Name of event (optional)
bool ShouldWait() override {
return !signaled;
}
void Acquire() override {
_assert_msg_(Kernel, !ShouldWait(), "object unavailable!");
// Release the event if it's not sticky...
if (reset_type != RESETTYPE_STICKY)
signaled = false;
}
};
ResultCode SignalEvent(const Handle handle) {
Event* evt = g_handle_table.Get<Event>(handle).get();
if (evt == nullptr)
return InvalidHandle(ErrorModule::Kernel);
evt->signaled = true;
evt->WakeupAllWaitingThreads();
return RESULT_SUCCESS;
}
ResultCode ClearEvent(Handle handle) {
Event* evt = g_handle_table.Get<Event>(handle).get();
if (evt == nullptr)
return InvalidHandle(ErrorModule::Kernel);
evt->signaled = false;
return RESULT_SUCCESS;
}
/**
* 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
*/
static 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);
ResultVal<SharedPtr<Event>> Event::Create(ResetType reset_type, std::string name) {
SharedPtr<Event> evt(new Event);
// TOOD(yuriks): Don't create Handle (see Thread::Create())
CASCADE_RESULT(auto unused, Kernel::g_handle_table.Create(evt));
evt->signaled = false;
evt->reset_type = evt->intitial_reset_type = reset_type;
evt->name = name;
evt->name = std::move(name);
return evt;
return MakeResult<SharedPtr<Event>>(evt);
}
Handle CreateEvent(const ResetType reset_type, const std::string& name) {
Handle handle;
Event* evt = CreateEvent(handle, reset_type, name);
return handle;
bool Event::ShouldWait() {
return !signaled;
}
void Event::Acquire() {
_assert_msg_(Kernel, !ShouldWait(), "object unavailable!");
// Release the event if it's not sticky...
if (reset_type != RESETTYPE_STICKY)
signaled = false;
}
void Event::Signal() {
signaled = true;
WakeupAllWaitingThreads();
}
void Event::Clear() {
signaled = false;
}
} // namespace

47
src/core/hle/kernel/event.h
View file

@ -11,26 +11,35 @@
namespace Kernel {
/**
* 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);
class Event : public WaitObject {
public:
/**
* Creates an event
* @param reset_type ResetType describing how to create event
* @param name Optional name of event
*/
static ResultVal<SharedPtr<Event>> Create(ResetType reset_type, std::string name = "Unknown");
/**
* Clears an event
* @param handle Handle to event to clear
* @return Result of operation, 0 on success, otherwise error code
*/
ResultCode ClearEvent(Handle handle);
std::string GetTypeName() const override { return "Event"; }
std::string GetName() const override { return name; }
/**
* 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="Unknown");
static const HandleType HANDLE_TYPE = HandleType::Event;
HandleType GetHandleType() const override { return HANDLE_TYPE; }
ResetType intitial_reset_type; ///< ResetType specified at Event initialization
ResetType reset_type; ///< Current ResetType
bool signaled; ///< Whether the event has already been signaled
std::string name; ///< Name of event (optional)
bool ShouldWait() override;
void Acquire() override;
void Signal();
void Clear();
private:
Event() = default;
};
} // namespace