[omniORB] select()-timeout in tcpSocketRendezvouser
Duncan Grisby
dgrisby@uk.research.att.com
Mon, 23 Apr 2001 15:34:34 +0100
On Thursday 12 April, Dr.-Ing. Martin Goettlicher <martin.goettlicher@medical.bruker.de> wrote:
> Among our programs using CORBA we have one small utility program
> which is called from shell-scripts very often. This program simply
> makes one CORBA-method call and terminates. Because the
> shell-scripts were much slower than with the commercial ORB, I
> investigated this problem further. I found out that the time (one
> second) is consumed during orb->destroy() which waits for the
> running threads to join. In the run_undetached()-method of the class
> tcpSocketRendezvouser (omni/src/lib/omniORB2/orbcore/
> tcpSocketMTfactory.cc line 1546-1548) there is a call to select()
> with a timeout of one second. I patched this class using a much
> shorter timeout and my problem seems to be solved. Because I don't
> like to patch every new version of omniORB I would be > very happy
> if this timeout could be configured for example via a command line
> argument.
Hmm. Reducing the timeout in the select() call would make the
selecting thread burn more processor time. A simpler solution is to
not call orb->destroy(). That way, the process exits without trying to
synchronise all the threads. The OS cleans up all the resources
anyway.
Cheers,
Duncan.
--
-- Duncan Grisby \ Research Engineer --
-- AT&T Laboratories Cambridge --
-- http://www.uk.research.att.com/~dpg1 --