[Discuss-gnuradio] usrp_siggen.py exits on Mac OS X

[Jonathan Jacky]

Eric,

Whe I try to run a recent version of usrp_siggen.py from CVS on Mac OS X, 
it produces the requested output signal for just a second or so, then exits.

I see in the source code, at the end of main:

     try:
        fg.start()
    except KeyboardInterrupt:
        pass
    fg.stop()

As I understand it, this code executes fg.start(), which returns 
almost immediately, and then executes fg.stop(), and then exits from main.

On my system, the code does not wait in fg.start() for a keyboard interrupt.

For now, in my working version I've changed the end of main back to:

    fg.start ()
    raw_input ('Press Enter to quit: ')
    fg.stop()

That works as it should - usrp_siggen keeps running until I type ^C.

Jon Jacky