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Re: bash trap ignore signal - race condition

From: Roman Rakus
Subject: Re: bash trap ignore signal - race condition
Date: Fri, 15 Apr 2011 14:58:26 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20110307 Fedora/3.1.9-0.39.b3pre.fc14 Thunderbird/3.1.9

On 04/14/2011 03:09 PM, Chet Ramey wrote:
I'm not sure I understand this.  Why is using a temporary handler better
than blocking the signal until the trap handler is in place, then
unblocking it and allowing any pending signal to be delivered?

I just want some way to not ignore the signal. For example handle the
signal after initialization of trap even if the signal is delivered
during this initialization.
I don't think you are understanding what I'm proposing.  Blocking the signal
with sigprocmask(SIG_BLOCK, ...) does the right thing.

I didn't understand, but now I do. Thanks for clarification and sorry...


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