Re: Latches, loop and exit

On Wed, Sep 15, 2010 at 3:19 PM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> For SIGUSR2, you're right.
>
> However, if the following clause is ever invoked, then the loop does
> have problems and we leave when not caught up.
>
> if (!PostmasterIsAlive(true))
>        exit(1);

In normal shutdown case, that clause is not invoked since postmaster
exits after walsender exits. That is, the clause is for emergency case,
e.g., case where SIGKILL arrives at postmaster. Even in such an
emergency case, you think walsender should send all outstanding WAL?

Regards,

--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center