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Re: Allowing traps

X-seq: zsh-workers 13175
From: Peter Stephenson <pws@xxxxxxx>
To: zsh-workers@xxxxxxxxxxxxxx (Zsh hackers list)
Subject: Re: Allowing traps
Date: Mon, 20 Nov 2000 16:54:39 +0000
In-reply-to: "Your message of Mon, 20 Nov 2000 16:34:22 GMT." <1001120163422.ZM10149@xxxxxxxxxxxxxxxxxxxxxxx>
Mailing-list: contact zsh-workers-help@xxxxxxxxxxxxxx; run by ezmlm

Bart wrote:
> We don't need a flag ... the behavior should be that for all xxx, SIGxxx is
> blocked when running the trap for that signal.  The OS will enforce that if
> the trap is run directly from the signal handler, so we should emulate it
> when running the traps in deferred fashion.

That doesn't fix the problem that the shell will try and run traps already
in the queue from within shell code called from the trap handler --- which
may be the trap for another signal.  I don't see a way of stopping that
without a flag.

-- 
Peter Stephenson <pws@xxxxxxx>                  Software Engineer
Cambridge Silicon Radio, Unit 300, Science Park, Milton Road,
Cambridge, CB4 0XL, UK                          Tel: +44 (0)1223 392070

Follow-Ups:
- PATCH: Re: Allowing traps
  - From: Bart Schaefer

References:
- Re: Allowing traps
  - From: Bart Schaefer

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