Give your btl progress function. It'll get called quite frequently. Look at the "progress" section in btl.h. Progress threads don't work yet, but the btl_progress function will get called by the PML quite frequently. It's how BTL's like openib progress their outstanding message passing.
On Mar 2, 2012, at 2:22 PM, Alex Margolin wrote: > > On 03/02/2012 04:33 PM, Jeffrey Squyres wrote: >> Note that the OMPI 1.4.x series is about to be retired. If you're doing new >> stuff, I'd advise you to be working with the Open MPI SVN trunk. In the >> trunk, we've changed how we build libevent, so if you're adding to it, you >> probably want to be working there for max forward-compatibility. >> >> That being said: >> >>> I know trying to replace poll() seems like I'm doing something very wrong, >>> but I want to poll on events without a valid linux file descriptor (and >>> existing events, specifically sockets, at the same time), and I see no >>> other way. Obviously, my poll2 calls the linux poll in most cases. >> What exactly are you trying to do? OMPI has some internal hooks for >> non-fd-or-event-based progress. Indeed, libevent is typically called with >> fairly low frequency (e.g., if you're running with OpenFabrics or some other >> high-speed/not-fd-based networking interconnect). > I'm trying to create a new btl module. I've written an adapter from my > library to TCP, so I've implemented socket/connect/accept/send/recv... now > I've taken the TCP BTL module and cloned it - replacing the relevant calls > with mine. My only problem is with poll, which is not in the MCA (at least in > 1.4.x). > I've implemented poll() and select() but it's not that good, because my > events are not based on valid linux file descriptors, but I can poll all my > events at the same time (but not in conjunction with real FDs, unfortunatly). > Can you give me some pointers as to where to look in the MPI (1.5?) source > code to implement it properly? > > Thanks, > Alex > _______________________________________________ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
