(read_avail_input): Don't retry read.

1 files changed, 12 insertions, 3 deletions

diff --git a/src/keyboard.c b/src/keyboard.c
index 753ba028b4b..0c025d6b624 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -3355,16 +3355,25 @@ read_avail_input (expected)
           if (nread == 0)
             kill (0, SIGHUP);
 #endif
-          /* Retry the read if it was interrupted.  */
         }
-      while (nread < 0 && (errno == EINTR
+      while (
+             /* We used to retry the read if it was interrupted.
+                But this does the wrong thing when O_NDELAY causes
+                an EAGAIN error.  Does anybody know of a situation
+                where a retry is actually needed?  */
+#if 0
+             nread < 0 && (errno == EAGAIN
 #ifdef EFAULT
                            || errno == EFAULT
 #endif
 #ifdef EBADSLT
                            || errno == EBADSLT
 #endif
-                           ));
+                           )
+#else
+             0
+#endif
+             );
 
 #ifndef FIONREAD
 #if defined (USG) || defined (DGUX)