? asynRecord.patch
Index: asynRecord.c
===================================================================
RCS file: /net/phoebus/epicsmgr/cvsroot/epics/modules/soft/asyn/asyn/asynRecord/asynRecord.c,v
retrieving revision 1.82
diff -u -r1.82 asynRecord.c
--- asynRecord.c	28 May 2008 18:58:51 -0000	1.82
+++ asynRecord.c	7 Dec 2009 17:15:08 -0000
@@ -1476,18 +1476,16 @@
             status = pasynRecPvt->pasynOctet->getOutputEos(
                                     pasynRecPvt->asynOctetPvt,pasynUser,
                                     saveEosBuf,sizeof saveEosBuf,&saveEosLen);
-            if (status != asynSuccess) {
-                reportError(pasynRec, status, "EOS TOO LONG");
-                return;
-            }
+            /* getOutputEos can return an error if the driver does not implement it */
+            if (status != asynSuccess) saveEosLen = 0;
             if (saveEosLen)
                 pasynRecPvt->pasynOctet->setOutputEos(pasynRecPvt->asynOctetPvt,
-                                                             pasynUser,NULL,0);
+                                                      pasynUser,NULL,0);
             status = pasynRecPvt->pasynOctet->write(pasynRecPvt->asynOctetPvt,
-                                 pasynUser, outptr, nwrite, &nbytesTransfered);
+                                pasynUser, outptr, nwrite, &nbytesTransfered);
             if (saveEosLen)
                 pasynRecPvt->pasynOctet->setOutputEos(pasynRecPvt->asynOctetPvt,
-                                             pasynUser,saveEosBuf,saveEosLen);
+                                                      pasynUser,saveEosBuf,saveEosLen);
         } else {
             /* ASCII or Hybrid mode */
             status = pasynRecPvt->pasynOctet->write(pasynRecPvt->asynOctetPvt,
@@ -1514,16 +1512,16 @@
             status = pasynRecPvt->pasynOctet->getInputEos(
                                     pasynRecPvt->asynOctetPvt,pasynUser,
                                     saveEosBuf,sizeof saveEosBuf,&saveEosLen);
-            if (status != asynSuccess) {
-                reportError(pasynRec, status, "EOS TOO LONG");
-                return;
-            }
-            pasynRecPvt->pasynOctet->setInputEos(pasynRecPvt->asynOctetPvt,
-                                                             pasynUser,NULL,0);
+            /* getInputEos can return an error if the driver does not implement it */
+            if (status != asynSuccess) saveEosLen = 0;
+            if (saveEosLen) 
+                pasynRecPvt->pasynOctet->setInputEos(pasynRecPvt->asynOctetPvt,
+                                                     pasynUser,NULL,0);
             status = pasynRecPvt->pasynOctet->read(pasynRecPvt->asynOctetPvt,
                   pasynUser, inptr, nread, &nbytesTransfered,&eomReason);
-            pasynRecPvt->pasynOctet->setInputEos(pasynRecPvt->asynOctetPvt,
-                                             pasynUser,saveEosBuf,saveEosLen);
+            if (saveEosLen) 
+                pasynRecPvt->pasynOctet->setInputEos(pasynRecPvt->asynOctetPvt,
+                                                     pasynUser,saveEosBuf,saveEosLen);
         } else {
             /* ASCII or Hybrid mode */
             status = pasynRecPvt->pasynOctet->read(pasynRecPvt->asynOctetPvt,