> Is there any way to create a child process that is detached from the
original cgroup using exec.Command?
> I don't want my child process to be killed when the parent process dies.
This might be an issue with process groups, not cgroups, in which case I
think Setsid is what you want, something like (untested):
p.theCommand.SysProcAttr = &syscall.SysProcAttr{Setsid: true}
err := p.theCommand.Start()
I had a related problem: I wanted to make sure that when a timeout occurs,
I forcibly kill the child process and all its descendants. Solution was to
use Setsid, and then send the signal to the newly-formed process group:
https://groups.google.com/g/golang-nuts/c/V1VccYYCp9o/m/rZRfhP_bCAAJ
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