From: Doug Evans <dje@google.com>
Date: Tue, 20 Apr 2010 06:06:38 +0000 (+0000)
Subject: (generic_readchar): Tweak previous checkin, close error_fd if EOF.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9f117f472395074ea657a89049faf2cbb250538f;p=binutils-gdb.git

(generic_readchar): Tweak previous checkin, close error_fd if EOF.
---

diff --git a/gdb/ser-base.c b/gdb/ser-base.c
index 7afd1ee1c8c..6285342e7c2 100644
--- a/gdb/ser-base.c
+++ b/gdb/ser-base.c
@@ -361,8 +361,15 @@ generic_readchar (struct serial *scb, int timeout,
 	    break;
 
 	  s = read (scb->error_fd, &buf, to_read);
-	  if (s <= 0)
+	  if (s == -1)
 	    break;
+	  if (s == 0)
+	    {
+	      /* EOF */
+	      close (scb->error_fd);
+	      scb->error_fd = -1;
+	      break;
+	    }
 
 	  /* In theory, embedded newlines are not a problem.
 	     But for MI, we want each output line to have just