Bug#727708: Value of reading other's position statements [was: systemd vs. whatever]

[Ian Jackson <ijackson@chiark.greenend.org.uk>]

Steve Langasek writes ("Bug#727708: Value of reading other's position statements [was: systemd vs. whatever]"):
> I agree.  It would still require some fiddling to make 'expect stop' work
> together with strace anyway, since upstart only cares about SIGSTOP raised
> by upstart's child process, not by the grandchild; so if you actually need
> upstart to know non-racily when the service is started you would need the
> process under trace to SIGSTOP its own parent.  Not elegant, but possible.

Perhaps upstart could be made somehow to spawn strace -p at the
appropriate moment.

stracing daemon startup (and indeed anything else which seems to be
malfunctioning) is a powerful tool that the competent but desperate
sysadmin will reach for in many situations.  Making it difficult is a
distinct downside for any init replacement.

Ian.