Re: Help with Timers on Solaris

[Anand Narwani]

Hi David,
Thanks for the info...  I finally decided to implement
it using an Event object, but I'm still having lots of
trouble with that (please see my other posing Re:
Solaris 8 and pthread issues. ).

thanks again,
Anand
--- David Sugar <address@hidden> wrote:
> 
> The behavior of signals in threaded applications is
> different between 
> Linux and Solaris.  The onTimer handler and other
> signal related handlers 
> are non-portable and are meant only to be used on
> platforms that have 
> useful properties.  You might want to use a
> conditional object or 
> something similar to sleep for a specified period of
> time or until woken, 
> or to create a seperate timer management thread.
> 
> 
> On Sun, 20 Oct 2002, Anand Narwani wrote:
> 
> > Hello folks,
> > I am attmepting to do something that seems to be
> > reasonably simple but I cannot seem to make it
> work. 
> > Here is my configuration:
> > - Solaris 2.8
> > - Common C++2 1.03
> > - g++ 2.95.2
> > 
> > Essentially I am attempting to implement a Posix
> > Thread which goes to sleep for a specified period,
> > gets woken up, does some work and then goes back
> to
> > sleep.  Please take a look at the source at:
> > 
> >
> http://www.employees.org/~anarwani/thread-test.html
> > 
> > I have 2 problems:
> > 1. My derived onTimer() routine never gets called
> when
> > the timer expires.
> > 2.  I am unable to use the delete operator to
> force my
> > main thread to join with my thread.  it simply
> exits
> > the program.  I have since worked around the
> problem
> > using a semaphore.
> > 
> > I have tested this program on Linux and it works
> > correctly.  I suspect that the pthreads
> implementation
> > differences between the two operating systems are
> the
> > reason for the failure on Solaris, but I have no
> idea
> > how to fix this. Any assistance is very much
> > appreciated.
> > 
> > Regards,
> > Anand
> > 
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