Re: Detecting parent's termination

[Alan Barrett <apb%cequrux.com@localhost>]

On Sun, 29 Jan 2012, Emmanuel Dreyfus wrote:
> What way do we have to detect parent termination? Linux has a 
> handy but non standard prctl(PR_SET_PDEATHSIG, SIGHUP), do we 
> have something similar?

If you can poll instead of getting notified, then just call 
getppid(2).  The result will change from the actual parent's pid 
to (pid_t)1 when the parent dies and the child is re-parented to 
init(8).

--apb (Alan Barrett)