How do you handle errors signaled by the 'process' procedure from the
(chicken process) module in Chicken 5?
When I try things like
(receive (from-child to-child child)
(condition-case
(process command args)
(_ ()
(values #f #f #f)))
...)
I get weird results - I have some 'display' calls, and according to
'current-process-id' some of them are coming from a different PID (I
assume 'process' does fork/exec internally, so somehow some of the
display code actually ends up running in the forked child process.
I guess normally the unix execve() call succeeds so the child process
stops running the Chicken programs and executes the desired command. But
when execve() fails (e.g. due to a missing executable file) then the
child process continues running Chicken code instead of exiting?
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