[screen-devel] [bug #54164] race between starting backend and issuing command to session

[Amadeusz Sławiński]

URL:
  <http://savannah.gnu.org/bugs/?54164>

                 Summary: race between starting backend and issuing command to
session
                 Project: GNU Screen
            Submitted by: amade
            Submitted on: Thu 21 Jun 2018 08:03:46 PM UTC
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                 Release: None
           Fixed Release: None
         Planned Release: None
           Work Required: None

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Details:

there can be race when starting it in background and immediately issuing a
command to session.

$ screen -S foo -dm
screen -S foo -X stuff "/path/to/script.sh^M"

No screen session found.


easier to reproduce if screen was not run previously or was flushed out of
memory (/proc/sys/vm/drop_caches) 




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