Subj : Re: signal handling in Linux
To   : comp.programming.threads
From : loic-dev
Date : Thu Mar 31 2005 05:55 am

Hello David,

> I have a multi-thread program run in Linux, I set a signal handler in
main
> thread, like this:
> signal(SIGALRM,myHandler);
> I also want other threads to handle SIGALRM via myHandler(), do I
need to
> call signal() to set handler in each threads?

No you don't. Signal handlers installed with signal() are shared among
all threads in a process. This is true on Linux too.

BTW, you should use sigaction() instead of signal(). 


Regards,
Loic.

.