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Date:      Fri, 09 May 2003 14:15:05 -0400
From:      misha <misha@research.att.com>
To:        freebsd-questions@freebsd.org
Subject:   signal usage in Pthread
Message-ID:  <3EBBF029.9EE9031B@research.att.com>

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Hi,

I have been reading through archives, read Mueller's recent threads
article,
and crawled around freebsd.org documentation but could not find an
answer to
this question.

I am trying to port a multithreaded  application from Linux
to FreeBSD; the application uses SIGUNUSED signal (because
Linux threads utilize SIGUSR1 and 2 for themselves).
I am considering replacing SIGUNUSED with SIGUSR1 but am concerned
if FreeBSD threads aren't using them also.

Does anyone know if either user-level threads ( gcc -Pthread) or
kernel threads (gcc -kthread) use SIGUSR1 in a way that would preclude
using it in the application?

Thanks a lot for any info or pointers,
Michael Rabinovich





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