Subj : Re: Using SIGALRM with pthread
To   : comp.programming.threads
From : Chris Friesen
Date : Thu Jul 28 2005 11:52 am

gc wrote:

> I wonder if anybody can give me a concrete explanation why is the use
> of signal handling in a thread can potentially cause many werid bugs.

Most thread sync primitives cannot be used within a signal handler, 
making it very difficult to do useful things from within the signal handler.

Async signals are used to gain multiple threads of execution--if you've 
already got multiple threads, then they don't really buy you anything.

Chris

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