On Mon 2004-06-21 at 00:28:38 +0200, Branko ??ibej wrote:
> Tobias Ringström wrote:
> >Branko ??ibej wrote:
> >
> >>Shouldn't be hard to do. You still have to catch the signal, then
> >>have the main thread simply terminate. The process should wither away
> >>once the other threads have exited, I think. But we do need the
> >>sighnal handlers. Also, svnserve should reread its config files (if
> >>any) if it sees a SIGHUP. That's just common behaviour.
> >
> >AFAIK, if you exit from main, all threads get terminated.
>
> That may be true on Unix with pthreads,
I'll try to clarify... I am not sure what "exit from main" is meant to
mean in this context, but AFAIK (with pthreads under Unix):
- calling exit() anywhere (or in any thread) will cause all threads to
terminate.
- pthread_exit() will terminate the current thread without affecting
the others
- "return" in main (in the main thread), is equivalent to exit()
- "return" elsewhere, is equivalent to calling pthread_exit()
(i.e. returning from the function a specific thread was started with)
So, if it's possible to arrange to call pthread_exit(), everything
should work as needed for the suggested solution.
Bye,
Benjamin.
PS: At least for QNX 6.2 I have actually tested that pthread_exit()
called in the main thread will leave the others threads running as
expected.
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Received on Tue Jun 22 01:40:57 2004