No more segfault for me with test_shutdown_stress, ubuntu 12.04 x86_64. On Tue, Jun 12, 2012 at 8:24 PM, Martin Hurton <[email protected]> wrote:
> Marc, could you please try you application with the current master and > report back? > Thanks! > > - Martin > > On Sat, Jun 9, 2012 at 9:19 PM, Marc Criley <[email protected]> > wrote: > > I'm getting: > > > > Assertion failed: ok (mailbox.cpp:79) > > > > when trying to shut down my application. After having searched the > archives > > and whitepapers I'm still at a loss. Here's the structure of what I have > and > > am trying to do (version 2.1.9-1, distributed with Ubuntu): > > > > - One main thread establishes a PUB socket using the 'inproc' transport. > > - Four separate threads each open a SUB socket. > > - 'inproc' requires the pub and sub sockets to use the same context, so > that > > is done. > > - Each subscriber socket waits on 'recv()' for something to arrive, > which is > > then processed, and returns back to waiting for the next message. > > > > Everything runs fine in the application. However, at shutdown: > > > > - There is no pending traffic, it has all been cleared. > > - The main thread closes its PUB socket. > > - The main thread invokes zmq_term, which blocks. > > - This unblocks the four subscriber threads waiting on recv(). > > - Each subscriber thread closes its socket and the thread terminates. > > > > At this point I expect the main thread call of zmq_term() to complete. > > That's not what happens, instead I get: > > > > Assertion failed: ok (mailbox.cpp:79) > > > > I believe I did this in accordance with the 0MQ Termination whitepaper > > (http://www.zeromq.org/whitepapers:0mq-termination), and this is the > > sequence I use to shutdown a tcp transport client thread, which works > > without problem. > > > > Deferring closing the PUB socket until after zmq_term doesn't work, as > > zmq_term blocks until the socket is closed. > > > > Any suggestions would be appreciated. > > > > Marc C > > > > > > _______________________________________________ > > zeromq-dev mailing list > > [email protected] > > http://lists.zeromq.org/mailman/listinfo/zeromq-dev > > > _______________________________________________ > zeromq-dev mailing list > [email protected] > http://lists.zeromq.org/mailman/listinfo/zeromq-dev > -- Victor
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