On Tue, Feb 24, 2009 at 05:57:35PM -0500, Marcus D. Leech wrote: > What's the best way to setup a timer routine that has access to the bits > of the flowgraph? > > I'm using an external process (UI) to set dynamic values for certain > USRP attributes, and one of the mechanisms > I'm thinking of using is to trigger a regular timer to see if the > values in an external control file have changed, and if > so, update the USRP settings. > > I know that there's gr_local_signal_sighandler()--does the handler > function have access to the flowgraph?
No. In general it's virtually impossible to safely uses threads and signals together. If you need a timer, one way to get it is to use a dedicated thread that manages the timer queue, then send messages to those who want them when the timer expires. [I'll be implementing something like this in the next few months] Eric _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
