Re: Use of signal-unsafe functions from signal handlers

On Tue, May 24, 2022 at 10:15:55AM -0400, Tom Lane wrote:
> ereport() itself is just the tip of the iceberg; even if it's safe
> (which I concur it isn't), there's also the atexit/on_proc_exit
> functions that are likely to be called during shutdown.  So yeah,
> this coding is not too safe.  I'm not sure that getting rid of it
> would be a net win though, as we'd replace it-might-crash hazards
> with it-might-never-exit hazards, from bgworkers that neglect to
> respond to ShutdownRequestPending.

Hmm.  Shouldn't we worry about FloatExceptionHandler() that gets used
on SIGFPE?
--
Michael