* Re: Signals and threads
[not found] <1164362486.344548.309830@45g2000cws.googlegroups.com>
@ 2006-11-25 1:05 ` Robert Hancock
0 siblings, 0 replies; only message in thread
From: Robert Hancock @ 2006-11-25 1:05 UTC (permalink / raw)
To: shibu-kundara; +Cc: linux-kernel
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/
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2006-11-25 1:05 ` Signals and threads Robert Hancock
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