Create fatal component to handle fatal errors

components/fatal/fatal.h

@@ -0,0 +1,21 @@
+/*
+ * SPDX-License-Identifier: AGPL-3.0-only
+ * Copyright (c) Camden Dixie O'Brien
+ *
+ * Fatal error module.
+ *
+ * This small module provides the FATAL() macro, intended to be used
+ * to signal a fatal error. This prompts a system restart.
+ */
+
+#ifndef FATAL_H
+#define FATAL_H
+
+/**
+ * Signals a fatal error.
+ */
+#define FATAL() _fatal(__func__, __FILE__, __LINE__)
+
+void _fatal(const char *func, const char *file, unsigned line);
+
+#endif