martin@v.loewis.de (Martin v. Loewis) writes: [schniiiip]
ought to continously increase the counter in the label (once a second), but doesn't, atleast not on Linux, using Tcl 8.3.3. In the strace output, it appears that it first does a select call with a timeout, but that is followed by one without time limit before Tcl_DoOneEvent returns.
Jeff, any ideas as to why this is happening?
Well, at least this one is easy. From the link Jeff posted: Information provided to Tcl_SetMaxBlockTime is only used for the next call to Tcl_WaitForEvent; it is discarded after Tcl_WaitForEvent returns. The next time an event wait is done each of the event sources' setup procedures will be called again, and they can specify new information for that event wait. so you need to move the Tcl_SetMaxBlockTime inside the while loop. It certainly looks to this novice as if 8.3 provides enough hooks to do what we want, but... Cheers, M. -- Like most people, I don't always agree with the BDFL (especially when he wants to change things I've just written about in very large books), ... -- Mark Lutz, http://python.oreilly.com/news/python_0501.html