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Re: A question on sigchld_handler
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From: |
Andreas Schwab |
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Subject: |
Re: A question on sigchld_handler |
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Date: |
Thu, 27 Dec 2007 10:41:01 +0100 |
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User-agent: |
Gnus/5.110006 (No Gnus v0.6) Emacs/22.1 (gnu/linux) |
Herbert Euler <address@hidden> writes:
> Could SIGCHLD possibly be delivered more than once to Emacs, so that
> `sigchld_handler' is invoked more than once?
A signal is blocked as long as its handler hasn't returned. Thus that
can only happen when the signal is explicitly unblocked, or the function
is called manually.
Andreas.
--
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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