basic fork foo, function itself is empty

kernel/syscall/stub.h

@@ -22,7 +22,7 @@ namespace Syscall {
     SEND = 13,
     RECEIVE = 14,
     REPLY = 15,
-    //	FORK = 16
+    FORK = 16
 };
 }  // namespace Syscall
 
@@ -97,3 +97,8 @@ extern "C" ssize_t sys_safe_call(Syscall::ID id, size_t p1, size_t p2,
 [[gnu::always_inline]] static inline bool reply(const void* buffer, size_t size) {
 	return sys_call(Syscall::ID::REPLY, (size_t)buffer, size,0,0,0);
 }
+
+
+[[gnu::always_inline]] static inline int fork() {
+	return sys_call(Syscall::ID::FORK,0,0,0,0,0);
+}