If you code is gui event driven, you can add a button for interrupt, I guess if timer event is handled, gui events will also be handled. (untest).
Вск, 10 Апр 2011, Ian Clark писал(а): > Thanks Raul, and Bill. > > I have to allow full use of the session, including causing errors, and > still have the duty cycle keep running. So intercepting the J prompt > on error (whether or not triggered by yellow J) may be hard to get > working properly. > > But the duty cycle already does so many checks that one more doesn't > matter, and it turns out it's not a costly one. It simply checks the > directory timestamp of the jbreak file. So I think I've cracked it. > > I've posted the technique that works for me: > http://www.jsoftware.com/jwiki/IanClark/YellowJ > > A simpler example might have been possible, but I've cut-down my > operational code to make a demo. There's a number of things there of > general interest, though maybe mostly to novices. > > Ian > > > On Sun, Apr 10, 2011 at 12:36 AM, bill lam <[email protected]> wrote: > > The name of break file is pid of J process, you can acheive the same effect > > of clicking the yellow icon by sending an int signal to J, eg. > > kill -2 18887 > > > > assuming J has the chance to process that signal. What J saw is an execution > > error which can be trapped by try. catch., eg > > > > t1=: 3 : 0 > > try. > > while. do. a=. 1 end. > > catch. > > smoutput 'break' > > end. > > '' > > ) > > > > > > Сбт, 09 Апр 2011, Ian Clark писал(а): > >> Cunning! The J prompt. Of course... > >> > >> I'm going to poll the jbreak file in my duty-cycle first. If the > >> overhead is excessive, I'll try seeding immex instead. > >> > >> On Sat, Apr 9, 2011 at 6:54 PM, Raul Miller <[email protected]> wrote: > >> > On Sat, Apr 9, 2011 at 1:48 PM, Ian Clark <[email protected]> wrote: > >> >> Sorry, I don't see how immex helps me detect jbreak...? > >> > > >> > Immex runs right before J prompts. > >> > > >> > J prompts when your routine ends, or from jbreak. > >> > > >> > -- > >> > Raul > >> > > >> ---------------------------------------------------------------------- > >> For information about J forums see http://www.jsoftware.com/forums.htm > > > > -- > > regards, > > ==================================================== > > GPG key 1024D/4434BAB3 2008-08-24 > > gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm -- regards, ==================================================== GPG key 1024D/4434BAB3 2008-08-24 gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
