From: Robert Hancock <hancockr@shaw.ca>
To: shibu-kundara <thomasece@gmail.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Signals and threads
Date: Fri, 24 Nov 2006 19:05:44 -0600 [thread overview]
Message-ID: <456796E8.6010409@shaw.ca> (raw)
In-Reply-To: <1164362486.344548.309830@45g2000cws.googlegroups.com>
shibu-kundara wrote:
> Hi
>
> I have a problem using sigaction function in pthread library.
> I have 2 thread each one registering
>
> in threadA
> act1.sa_handler=func1;
> if(sigaction(SIGUSR1,&act1,NULL)) printf("\nSigaction failed! in th1
> !!\n");
>
> in threadB
> act1.sa_handler=func2;
> if(sigaction(SIGUSR1,&act2,NULL)) printf("\nSigaction failed! in th2
> !!\n");
>
> but when i send signal SIGUSR1 to threadA , threadA receives the
> signal
> but the handler func2 is getting called,
>
>
> Please let me know is there any way to solve this problem?
> thanks in advance
> thomas
>
Signal handlers are global to the process. You can't create different
handlers for the same signal in multiple threads.
--
Robert Hancock Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@nospamshaw.ca
Home Page: http://www.roberthancock.com/
parent reply other threads:[~2006-11-25 1:05 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <1164362486.344548.309830@45g2000cws.googlegroups.com>]
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