2009/1/10 Chris Cannam <[email protected]>: > On Fri, Jan 9, 2009 at 5:38 PM, Emanuel Rumpf <[email protected]> wrote: >> What means: >> >> [seqman] MmappedControlBlock : Couldn't open >> "/tmp/rosegarden_control_block" >> WARNING: Rosegarden::Exception: "Couldn't open /tmp/rosegarden_control_block" >> >> (Or why isn't it being created?) > > I can't tell you off the top of my head why it's not being created > when it's expected, but I can tell you what it is. This file is one > of the memory-mapped files used for communication between sequencer > and GUI process. This particular one is created by the GUI and used > subsequently by both sequencer and GUI, and the message you see comes > from the sequencer when it finds that the file has not (yet) been > created. > > This message quite often appears on startup from 1.6/1.7 versions, if > the sequencer gets to the point of looking for the file before the GUI > has created it -- the sequencer then pauses and looks again until the > file eventually turns up. > > If it's coming from the qt4 port, I have no ready explanation -- > perhaps the code is not happening in the right order -- but it's > something I suggest not worrying about yet. Ultimately none of these > files should be necessary in the qt4 version as we don't need explicit > memory mapping to communicate between sequencer and GUI, since they're > both in the same process now. However, that change is another one > that I don't want to make without being able to test the results. > > Note that the names of the mmapped files are the same currently in qt4 > as they are in trunk, which means that if you run qt4 and trunk builds > at once, they will trample over one another's files. Again, this will > change (in fact it should be possible to run the qt4 build as many > times at once as you wish, which was not possible in trunk for this > among other reasons). > >
Thank you for the explanation. I assume it's ok to ignore it then, in the qt4 build. - Emanuel ------------------------------------------------------------------------------ Check out the new SourceForge.net Marketplace. It is the best place to buy or sell services for just about anything Open Source. http://p.sf.net/sfu/Xq1LFB _______________________________________________ Rosegarden-devel mailing list [email protected] - use the link below to unsubscribe https://lists.sourceforge.net/lists/listinfo/rosegarden-devel
