[Octave-bug-tracker] [bug #55541] GUI freezes when saving file that is stopped in the debugger

[Andrew Janke]

URL:
  <https://savannah.gnu.org/bugs/?55541>

                 Summary: GUI freezes when saving file that is stopped in the
debugger
                 Project: GNU Octave
            Submitted by: apjanke
            Submitted on: Tue 22 Jan 2019 12:51:13 AM UTC
                Category: GUI
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Segfault, Bus Error, etc.
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.4.1
        Operating System: Mac OS

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Details:

When I'm stopped in a file in the debugger, modify the file, and save it
without manually doing a "dbquit" first, the Octave GUI freezes.

To reproduce:

Create a hello_world.m file in the editor and save it:


function hello_world
  x = 1;
  y = 2;
endfunction


Set a breakpoint on line 3 by clicking in the left margin of the editor. Run
"hello_world" in the command window. The debugger will stop at line 3. Add a
new line below that that says "blah". Press Cmd-S to save. You'll get a prompt
that says "This file is currently being executed. Quit debugging and save?".
Click "Save". At this point for me, the GUI becomes unresponsive and I get a
spinning-beachball mouse cursor.

Sorry I can't provide a crash dump or core file; when it's in this state it
doesn't respond to "kill -SIGSEGV", so I have to just Force Quit it, and that
doesn't result in a crash dump or core.




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