From: Frank Mori Hess <fmhess@speakeasy.net>
Date: Wed, 17 Jul 2002 21:55:33 +0000 (+0000)
Subject: added error handling for failed writes to buffer
X-Git-Tag: r0_7_66~142
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=48d6d33296077f1e7e22e354fa54fe7771635507;p=comedi.git

added error handling for failed writes to buffer
---

diff --git a/comedi/drivers/comedi_fc.c b/comedi/drivers/comedi_fc.c
index e3e964b6..d45a77aa 100644
--- a/comedi/drivers/comedi_fc.c
+++ b/comedi/drivers/comedi_fc.c
@@ -102,6 +102,21 @@ unsigned int cfc_read_array_from_buffer( comedi_subdevice *subd, void *data,
 	return num_bytes;
 }
 
+unsigned int cfc_handle_events( comedi_device *dev, comedi_subdevice *subd )
+{
+	unsigned int events = subd->async->events;
+
+	if( events & COMEDI_CB_ERROR )
+		events |= COMEDI_CB_EOA;
+
+	if( events & COMEDI_CB_EOA )
+		subd->cancel( dev, subd );
+
+	comedi_event( dev, subd, events );
+
+	return events;
+}
+
 MODULE_AUTHOR("Frank Mori Hess <fmhess@users.sourceforge.net>");
 MODULE_DESCRIPTION("Shared functoins for Comedi low-level drivers");
 MODULE_LICENSE("GPL");
diff --git a/comedi/drivers/comedi_fc.h b/comedi/drivers/comedi_fc.h
index 5e49c7ca..46ed5ee2 100644
--- a/comedi/drivers/comedi_fc.h
+++ b/comedi/drivers/comedi_fc.h
@@ -44,3 +44,5 @@ inline unsigned int cfc_write_long_to_buffer( comedi_subdevice *subd, lsampl_t d
 
 unsigned int cfc_read_array_from_buffer( comedi_subdevice *subd, void *data,
 	unsigned int num_bytes );
+
+unsigned int cfc_handle_events( comedi_device *dev, comedi_subdevice *subd );