# DP: Define PGRP_PIPE to avoid race condition.

Index: b/input.c
===================================================================
--- a/input.c
+++ b/input.c
@@ -517,7 +517,7 @@ b_fill_buffer (bp)
       if (nr == 0)
 	bp->b_flag |= B_EOF;
       else
-	bp->b_flag |= B_ERROR;
+	fatal_error("error reading input file: %s", strerror(errno));
       return (EOF);
     }