From be78fcb0acc665d4db8edb9cda53f6863d27dd85 Mon Sep 17 00:00:00 2001
From: Kimplul <kimi.h.kuparinen@gmail.com>
Date: Fri, 7 Jan 2022 16:32:05 +0200
Subject: Improved header dependency tree

---
 include/apos/types.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'include/apos/types.h')

diff --git a/include/apos/types.h b/include/apos/types.h
index 7cc4e28..7d690de 100644
--- a/include/apos/types.h
+++ b/include/apos/types.h
@@ -175,4 +175,21 @@ typedef intmax_t ssize_t;
 
 #define NULL 0
 
+/* some common types used throughout the kernel */
+typedef int_fast8_t stat_t;
+typedef uint_fast32_t id_t;
+typedef uint_fast8_t mflags_t;
+
+/* error types (should this go somewhere else? */
+/* negative error codes are reserved for general usage, positive error codes are
+ * allowed to be function-specific. */
+enum {
+	ERR_ADDR = -3,	/* illegal address */
+	ERR_ALIGN = -2,	/* wrong alignment */
+	ERR_NF = -1,	/* not found */
+	OK = 0,		/* OK */
+};
+
+#include <types.h> /* arch-specific type definitions (pm_t/vm_t etc) */
+
 #endif /* APOS_TYPES_H */
-- 
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