1 files changed, 30 insertions, 0 deletions
diff --git a/user/include/error.h b/user/include/error.h
new file mode 100644
index 0000000..b9265b4
--- /dev/null
+++ b/user/include/error.h
@@ -0,0 +1,30 @@
+/**
+ * @file errno.h
+ *
+ * @author Freya Murphy <freya@freyacat.org>
+ *
+ * Error codes.
+ */
+
+// public error codes
+#define SUCCESS (0)
+#define E_SUCCESS SUCCESS
+#define E_FAILURE (-1)
+#define E_BAD_PARAM (-2)
+#define E_BAD_FD (-3)
+#define E_NO_CHILDREN (-4)
+#define E_NO_MEMORY (-5)
+#define E_NOT_FOUND (-6)
+#define E_NO_PROCS (-7)
+
+// internal error codes
+#define E_EMPTY_QUEUE (-100)
+#define E_NO_PCBS (-101)
+#define E_NO_PTE (-102)
+#define E_LOAD_LIMIT (-103)
+
+// exit status values
+#define EXIT_SUCCESS (0)
+#define EXIT_FAILURE (-1)
+#define EXIT_KILLED (-101)
+#define EXIT_BAD_SYSCALL (-102)