File rlogin-handle-EIO-better.patch of Package rsh

From: Jiri Slaby <jslaby@suse.cz>
Subject: rlogin: handle EIO better
References: bnc#816514

EIO can be returned by the TTY layer for the moment when login closed
all its TTYs to perform hangup. Let's just ignore that error.
---
 rlogind/rlogind.c |   11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

--- a/rlogind/rlogind.c
+++ b/rlogind/rlogind.c
@@ -67,6 +67,7 @@ char rcsid[] =
 #include <unistd.h>
 #include <stdlib.h>
 #include <string.h>
+#include <time.h>
 
 #include "pathnames.h"
 #include "logwtmp.h"
@@ -246,7 +247,15 @@ static void protocol(int f, int p) {
 			pbp = pibuf;
 			if (pcc < 0 && errno == EWOULDBLOCK)
 				pcc = 0;
-			else if (pcc <= 0)
+			else if (pcc < 0 && errno == EIO) {
+				/*
+				 * login hung up and closed its pty side for
+				 * a while. Let's just ignore that.
+				 */
+				pcc = 0;
+				nanosleep(&(const struct timespec){ 0, 50000000 },
+						NULL);
+			} else if (pcc <= 0)
 				break;
 			else if (pibuf[0] == 0) {
 				pbp++, pcc--;