[exim-cvs] Debug: show stalled send-data count on message-er…

Gitweb: https://git.exim.org/exim.git/commitdiff/811622b672d4a4cf3d71fbd66810a66adf76826e

Commit:     811622b672d4a4cf3d71fbd66810a66adf76826e
Parent:     1c8faf8da3c98415164241b701202f3f62099e0d
Author:     Jeremy Harris <jgh146exb@???>
AuthorDate: Thu Oct 29 20:09:25 2020 +0000
Committer:  Jeremy Harris <jgh146exb@???>
CommitDate: Thu Oct 29 21:02:52 2020 +0000

    Debug: show stalled send-data count on message-errors
---
 src/src/transports/smtp.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/src/transports/smtp.c b/src/src/transports/smtp.c
index a319822..9e337e9 100644
--- a/src/src/transports/smtp.c
+++ b/src/src/transports/smtp.c
@@ -4134,6 +4134,13 @@ if (!sx->ok)

         *message_defer = TRUE;
         }
+
+      DEBUG(D_transport) if (sx->cctx.sock >= 0)
+    {
+    int n;
+    if (ioctl(sx->cctx.sock, TIOCOUTQ, &n) == 0)
+      debug_printf("%d bytes remain in socket output buffer\n", n);
+    }
       }

     /* Otherwise, we have an I/O error or a timeout other than after MAIL or