summaryrefslogtreecommitdiffstats
path: root/src/core/hle/kernel/object.h
diff options
context:
space:
mode:
authorLioncash <mathew1800@gmail.com>2018-08-02 04:40:00 +0200
committerLioncash <mathew1800@gmail.com>2018-08-02 05:34:42 +0200
commitbf45092c616987a3b58b7a859811938f885aa4d1 (patch)
tree805c60b2692d6a700bea69e5181f9010065134f8 /src/core/hle/kernel/object.h
parentMerge pull request #888 from lioncash/caps (diff)
downloadyuzu-bf45092c616987a3b58b7a859811938f885aa4d1.tar
yuzu-bf45092c616987a3b58b7a859811938f885aa4d1.tar.gz
yuzu-bf45092c616987a3b58b7a859811938f885aa4d1.tar.bz2
yuzu-bf45092c616987a3b58b7a859811938f885aa4d1.tar.lz
yuzu-bf45092c616987a3b58b7a859811938f885aa4d1.tar.xz
yuzu-bf45092c616987a3b58b7a859811938f885aa4d1.tar.zst
yuzu-bf45092c616987a3b58b7a859811938f885aa4d1.zip
Diffstat (limited to 'src/core/hle/kernel/object.h')
-rw-r--r--src/core/hle/kernel/object.h100
1 files changed, 100 insertions, 0 deletions
diff --git a/src/core/hle/kernel/object.h b/src/core/hle/kernel/object.h
new file mode 100644
index 000000000..83df68dfd
--- /dev/null
+++ b/src/core/hle/kernel/object.h
@@ -0,0 +1,100 @@
+// Copyright 2018 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <string>
+#include <utility>
+
+#include <boost/smart_ptr/intrusive_ptr.hpp>
+
+#include "common/common_types.h"
+
+namespace Kernel {
+
+using Handle = u32;
+
+enum class HandleType : u32 {
+ Unknown,
+ Event,
+ SharedMemory,
+ Thread,
+ Process,
+ AddressArbiter,
+ Timer,
+ ResourceLimit,
+ CodeSet,
+ ClientPort,
+ ServerPort,
+ ClientSession,
+ ServerSession,
+};
+
+enum class ResetType {
+ OneShot,
+ Sticky,
+ Pulse,
+};
+
+class Object : NonCopyable {
+public:
+ virtual ~Object();
+
+ /// Returns a unique identifier for the object. For debugging purposes only.
+ unsigned int GetObjectId() const {
+ return object_id;
+ }
+
+ virtual std::string GetTypeName() const {
+ return "[BAD KERNEL OBJECT TYPE]";
+ }
+ virtual std::string GetName() const {
+ return "[UNKNOWN KERNEL OBJECT]";
+ }
+ virtual HandleType GetHandleType() const = 0;
+
+ /**
+ * Check if a thread can wait on the object
+ * @return True if a thread can wait on the object, otherwise false
+ */
+ bool IsWaitable() const;
+
+public:
+ static unsigned int next_object_id;
+
+private:
+ friend void intrusive_ptr_add_ref(Object*);
+ friend void intrusive_ptr_release(Object*);
+
+ unsigned int ref_count = 0;
+ unsigned int object_id = next_object_id++;
+};
+
+// Special functions used by boost::instrusive_ptr to do automatic ref-counting
+inline void intrusive_ptr_add_ref(Object* object) {
+ ++object->ref_count;
+}
+
+inline void intrusive_ptr_release(Object* object) {
+ if (--object->ref_count == 0) {
+ delete object;
+ }
+}
+
+template <typename T>
+using SharedPtr = boost::intrusive_ptr<T>;
+
+/**
+ * Attempts to downcast the given Object pointer to a pointer to T.
+ * @return Derived pointer to the object, or `nullptr` if `object` isn't of type T.
+ */
+template <typename T>
+inline SharedPtr<T> DynamicObjectCast(SharedPtr<Object> object) {
+ if (object != nullptr && object->GetHandleType() == T::HANDLE_TYPE) {
+ return boost::static_pointer_cast<T>(std::move(object));
+ }
+ return nullptr;
+}
+
+} // namespace Kernel