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bug#23658: 25.1.50; make-network-connection fails to connect to IPv6 add


From: Ken Brown
Subject: bug#23658: 25.1.50; make-network-connection fails to connect to IPv6 address on Windows
Date: Sun, 12 Jun 2016 16:04:02 -0400
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1

On 6/5/2016 2:00 PM, Ken Brown wrote:
On 6/5/2016 1:20 PM, Ken Brown wrote:
OK, my guess was wrong.  I'm out of ideas.  I hope one of the experts
can help you.

One last thought: Your original report mentioned an error code of 14.  That may 
be bogus, for the reasons explained in bug#23615.  The following patch might 
get a more reliable error code, which you could then look up.  (On my system 
you would look in /usr/include/sys/errno.h.)

diff --git a/src/process.c b/src/process.c
index 9ca3e594..d71c50c 100644
--- a/src/process.c
+++ b/src/process.c
@@ -5492,7 +5492,7 @@ wait_reading_process_output (intmax_t time_limit, int 
nsecs, int read_kbd,

              p = XPROCESS (proc);

-#ifdef GNU_LINUX
+#if 1
              /* getsockopt(,,SO_ERROR,,) is said to hang on some systems.
                 So only use it on systems where it is known to work.  */
              {

Fran, you may want to try the patch that Paul recently posted to bug#17976. This may help with your problem.

Ken






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