pf2: add volume init, context register/unregister

libraries/libvapours/source/prfile2/pf/prfile2_pf_errnum.hpp

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+
+namespace ams::prfile2::pf {
+
+    void SetInternalError(pf::Error err);
+
+    ALWAYS_INLINE pf::Error SetInternalErrorAndReturn(pf::Error err) {
+        SetInternalError(err);
+        return err;
+    }
+
+}