Subj : Re: timer thread & signal question
To   : comp.programming.threads
From : David Schwartz
Date : Thu Jan 06 2005 10:10 pm


"VK" <vkincaid@gmail.com> wrote in message 
news:1105069499.499408.138160@z14g2000cwz.googlegroups.com...

> Please help me with this newbie problem.  I'm trying to set up a timer
> thread with the signal handler.  My problem is that when I have 2
> timers that go off at the same time, the signal SIGUSR2 is sent twice
> to sigwait(), but since they are 2 identical signals, sigwait() sees it
> as 1 signal only.  How do I tell sigwait() that there are 2 of the same
> signal?

    You need to write your own timer coalescing code. It has to figure out 
how long until the next timer fire and set a master timer for that amount of 
time. Then when the timer signal fires, it needs to see timers to fire.

    DS

.