Re: zpty intermediate zsh process?

[Greg Klanderman <gak@xxxxxxxxxxxxxx>]

>>>>> On February 6, 2021 Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx> wrote:

> On Sat, Feb 6, 2021 at 10:21 AM Greg Klanderman <gak@xxxxxxxxxxxxxx> wrote:
>> 
>> I can prefix the command with 'exec' to avoid that, but looking at the
>> code in zpty.c, maybe the execode() call should just be setting the
>> (third) 'exiting' argument to true?

> That doesn't seem to cause any of the tests to fail, but I wonder
> about side effects when traps are enabled, especially the EXIT trap.

Hmm interesting, hadn't considered but I suppose the pty might even
just be executing zsh code.. I suppose this is not worth changing if
it might break desirable behavior.

> Maybe just passing !sigtrapped[SIGEXIT] as the third argument would
> suffice ... or maybe the handling of that trap by zpty is already
> iffy.

Reading zexit(), I suppose also "zshexit" and "zshexit_functions".

What is

    runhookdef(EXITHOOK, NULL);

?

Greg