which running thread gests the external signal

[Alin-Adrian Anton]

Daniel Eischen wrote:
[..]
> 
> Note that sigprocmask() and pthread_sigprocmask() are equivalent.  I
> don't even think pthread_sigprocmask() is in the standard any longer
> (it used to be in an older version of the standard).  New applications
> should be using sigprocmask().
> 

Yes I noticed. However, this just happens to be the implementation 
(probably pthread_sigmask is a wrapper to sigprocmask).

This might not be the case on other OS, so for portability I'll stick to 
the pthread_sigmask in threads, and sigprocmask in single threaded apps.

Thanks,
-- 
Alin-Adrian Anton
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