[screen-devel] [bug #48674] Background Backtick program does not exit when screen exits

[Vince Newell]

URL:
  <http://savannah.gnu.org/bugs/?48674>

                 Summary: Background Backtick program does not exit when
screen exits
                 Project: GNU Screen
            Submitted by: vnewell
            Submitted on: Mon 01 Aug 2016 03:12:41 PM GMT
                Category: Program Logic
                Severity: 3 - Normal
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                 Release: Cur Dev Sources
           Fixed Release: None
         Planned Release: None
           Work Required: None

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Details:

I developing on a software operation state indicator in my .screenrc as a
backtick.  The software uses ROS PUB/SUB so I would like to run the backtick
program in the background and have the indicator update when the operational
state changes.  According to the docs:

"If both the lifespan and the autorefresh parameters are zero, the backtick
program is expected to stay in the background and generate output once in a
while. In this case, the command is executed right away and screen stores the
last line of output. If a new line gets printed screen will automatically
refresh the hardstatus or the captions."

I noticed that this background backtick program does not exit when screen
exits. Is that working as intended or is that a bug?

Let me know if you need me to provide more specific information for
reproducing this bug.






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