From: Frank Mori Hess <fmhess@speakeasy.net>
Date: Wed, 2 May 2001 00:08:28 +0000 (+0000)
Subject: a small step towards standardized comedi error codes
X-Git-Tag: r0_7_59~83
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=5528d77cd17b3388891fa297e5470ee8cb916d36;p=comedi.git

a small step towards standardized comedi error codes
---

diff --git a/include/linux/comedi_errno.h b/include/linux/comedi_errno.h
new file mode 100644
index 00000000..af314105
--- /dev/null
+++ b/include/linux/comedi_errno.h
@@ -0,0 +1,43 @@
+/*
+    comedi_errno.h
+    header file for comedi's symbolic error names
+
+    COMEDI - Linux Control and Measurement Device Interface
+    Copyright (C) 1997-2000 David A. Schleef <ds@stm.lbl.gov>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that 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, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef _COMEDI_ERRNO_H
+#define _COMEDI_ERRNO_H
+
+#ifdef __KERNEL__
+#include <linux/errno.h>
+#else
+#include <errno.h>
+#endif
+
+// define symbolic error names, extensions peculiar to comedi
+#define COMEDI_NOERROR		0X1000
+
+#define EUNKNOWN		(COMEDI_NOERROR + 1)		// unknown error
+#define EBAD_CT		(COMEDI_NOERROR + 2)		// bad comedi_t struct
+#define EINVAL_SUBD		(COMEDI_NOERROR + 3)		// invalid subdevice
+#define EINVAL_CHAN		(COMEDI_NOERROR + 4)		// invalid channel
+#define EBUF_OVR		(COMEDI_NOERROR + 5)		// buffer overflow
+#define EBUF_UNDR		(COMEDI_NOERROR + 6)		// buffer underflow
+
+#endif	// _COMEDI_ERRNO_H