Implement thread_ctrl::get_tid()

Utilities/Thread.cpp

@@ -2978,3 +2978,12 @@ std::pair<void*, usz> thread_ctrl::get_thread_stack()
 #endif
 	return {saddr, ssize};
 }
+
+u64 thread_ctrl::get_tid()
+{
+#ifdef _WIN32
+	return GetCurrentThreadId();
+#else
+	return reinterpret_cast<u64>(pthread_self());
+#endif
+}

Utilities/Thread.h

@@ -339,6 +339,9 @@ public:
 		}
 	};
 
+	// Get thread ID (works for all threads)
+	static u64 get_tid();
+
 private:
 	// Miscellaneous
 	static const u64 process_affinity_mask;