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Re: Blocking child signals
- X-seq: zsh-workers 1651
- From: Sven Wischnowsky <wischnow@adler>
- To: zsh-workers@xxxxxxxxxxxxxxx
- Subject: Re: Blocking child signals
- Date: Mon, 15 Jul 96 08:37 MET DST
- In-reply-to: Zoltan Hidvegi's message of Mon, 15 Jul 1996 04:43:32 +0200 (MET DST)
Zoltan Hidvegi wrote:
>
> In exec.c and in jobs.c there are several child_block() and child_unblock()
> calls. Tracing the system calls used by zsh it turns out that perhaps the
> majority of these are these child block/unblock calls. I think that the
> performance of zsh could be improved a little bit by calling these blocking
> code more carefully. Unfortunately this child blocking stuff is quite a
> mess. I'm sure that there are some bugs hiding here (ie. the child signal
> may remain blocked sometimes for quite a long time or it may be unblocked
> when it should not be unblocked).
>
Didn't Richard clean this up relatively recently?
> I think that zsh should not block child signals when it does not fork. Is
> there anyone who knows the details of this child blocking staff in exec.c?
> Perhaps Sven would know that, but unfortunately it seems that he no longer
> works on zsh :-(.
I didn't do much with the block/unblock code.
> Btw. does anyone know the current E-mail address of
> Sven? I'd like to add it to the CONTRIBUTORS file.
>
Yes, I know it... :-)
Bye
Sven
--
Sven Wischnowsky wischnow@xxxxxxxxxxxxxxxxxxxxxxx
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