It appears in handling SIGCHLD if the child is stopped due to SIGTSTP
or SIGSTOP then it is continued. Indeed screen appears to do the same.
Could someone kindly explain to me why this is done?
I ask as dvtm (another terminal multiplexer) hits an issue on MacOS
where what would be called "panes" in tmux parlance hang on the shell
exit due to being stopped. As to why the shells end up stopped on MacOS
is something I've yet to fiugre out.
Many thanks,
George
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