From: Andreas Schwab <schwab@suse.de>
To: Herbert Euler <herberteuler@hotmail.com>
Cc: "emacs-devel@gnu.org" <emacs-devel@gnu.org>
Subject: Re: A question on sigchld_handler
Date: Thu, 27 Dec 2007 10:41:01 +0100 [thread overview]
Message-ID: <jey7bgjx02.fsf@sykes.suse.de> (raw)
In-Reply-To: <BAY143-W291F7763C1D3BA99371B54DA540@phx.gbl> (Herbert Euler's message of "Thu\, 27 Dec 2007 14\:46\:43 +0800")
Herbert Euler <herberteuler@hotmail.com> 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, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2007-12-27 9:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-27 6:46 A question on sigchld_handler Herbert Euler
2007-12-27 9:41 ` Andreas Schwab [this message]
2007-12-27 10:10 ` Herbert Euler
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