[Octave-bug-tracker] [bug #56828] urlread/urlwrite/webread functions are not interruptible with Ctrl+C

[Mike Miller]

URL:
  <https://savannah.gnu.org/bugs/?56828>

                 Summary: urlread/urlwrite/webread functions are not
interruptible with Ctrl+C
                 Project: GNU Octave
            Submitted by: mtmiller
            Submitted on: Thu 29 Aug 2019 05:52:06 PM PDT
                Category: Octave Function
                Severity: 1 - Wish
                Priority: 5 - Normal
              Item Group: Feature Request
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

If a server responds slowly to a HTTP request, the function can't be
interrupted in Octave, and it hangs until the request times out or the server
eventually responds. The only way to unblock it is to kill Octave with
SIGKILL.

To simulate this, I used the "slowwly" web service to introduce a fixed delay.
The call hangs and cannot be interrupted until the server responds. Examples
with a 10 second delay:


url_real = "http://www.gnu.org/";;
url = ["http://slowwly.robertomurray.co.uk/delay/10000/url/";, url_real];
out = urlread (url);
## OR
out = webread (url);





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