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-rw-r--r--src/core/hle/kernel/kernel.h71
1 files changed, 55 insertions, 16 deletions
diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h
index 5bf9a2bfc..a9a893f41 100644
--- a/src/core/hle/kernel/kernel.h
+++ b/src/core/hle/kernel/kernel.h
@@ -60,26 +60,34 @@ class Object : NonCopyable {
public:
virtual ~Object() {}
Handle GetHandle() const { return handle; }
+
virtual std::string GetTypeName() const { return "[BAD KERNEL OBJECT TYPE]"; }
virtual std::string GetName() const { return "[UNKNOWN KERNEL OBJECT]"; }
virtual Kernel::HandleType GetHandleType() const = 0;
/**
- * Check if this object is available
- * @return True if the current thread should wait due to this object being unavailable
+ * Check if a thread can wait on the object
+ * @return True if a thread can wait on the object, otherwise false
*/
- virtual ResultVal<bool> Wait() {
- LOG_ERROR(Kernel, "(UNIMPLEMENTED)");
- return UnimplementedFunction(ErrorModule::Kernel);
- }
+ bool IsWaitable() const {
+ switch (GetHandleType()) {
+ case HandleType::Event:
+ case HandleType::Mutex:
+ case HandleType::Thread:
+ case HandleType::Semaphore:
+ case HandleType::Timer:
+ return true;
+
+ case HandleType::Unknown:
+ case HandleType::Port:
+ case HandleType::SharedMemory:
+ case HandleType::Redirection:
+ case HandleType::Process:
+ case HandleType::AddressArbiter:
+ return false;
+ }
- /**
- * Acquire/lock the this object if it is available
- * @return True if we were able to acquire this object, otherwise false
- */
- virtual ResultVal<bool> Acquire() {
- LOG_ERROR(Kernel, "(UNIMPLEMENTED)");
- return UnimplementedFunction(ErrorModule::Kernel);
+ return false;
}
private:
@@ -108,6 +116,24 @@ class WaitObject : public Object {
public:
/**
+ * Check if this object is available
+ * @return True if the current thread should wait due to this object being unavailable
+ */
+ virtual ResultVal<bool> Wait() {
+ LOG_ERROR(Kernel, "(UNIMPLEMENTED)");
+ return UnimplementedFunction(ErrorModule::Kernel);
+ }
+
+ /**
+ * Acquire/lock the this object if it is available
+ * @return True if we were able to acquire this object, otherwise false
+ */
+ virtual ResultVal<bool> Acquire() {
+ LOG_ERROR(Kernel, "(UNIMPLEMENTED)");
+ return UnimplementedFunction(ErrorModule::Kernel);
+ }
+
+ /**
* Add a thread to wait on this object
* @param thread Pointer to thread to add
*/
@@ -186,14 +212,14 @@ public:
/**
* Looks up a handle.
- * @returns Pointer to the looked-up object, or `nullptr` if the handle is not valid.
+ * @return Pointer to the looked-up object, or `nullptr` if the handle is not valid.
*/
SharedPtr<Object> GetGeneric(Handle handle) const;
/**
* Looks up a handle while verifying its type.
- * @returns Pointer to the looked-up object, or `nullptr` if the handle is not valid or its
- * type differs from the handle type `T::HANDLE_TYPE`.
+ * @return Pointer to the looked-up object, or `nullptr` if the handle is not valid or its
+ * type differs from the handle type `T::HANDLE_TYPE`.
*/
template <class T>
SharedPtr<T> Get(Handle handle) const {
@@ -204,6 +230,19 @@ public:
return nullptr;
}
+ /**
+ * Looks up a handle while verifying that it is an object that a thread can wait on
+ * @return Pointer to the looked-up object, or `nullptr` if the handle is not valid or it is
+ * not a waitable object.
+ */
+ SharedPtr<WaitObject> GetWaitObject(Handle handle) const {
+ SharedPtr<Object> object = GetGeneric(handle);
+ if (object != nullptr && object->IsWaitable()) {
+ return boost::static_pointer_cast<WaitObject>(std::move(object));
+ }
+ return nullptr;
+ }
+
/// Closes all handles held in this table.
void Clear();