You are correct the way how j terminates has changed in j806. Previously, when executing 2!:55 in j engine will call exit() which terminates the running process in j806, 2!:55 will call front-end (jconsole,jqt...) and the front-end decides how to terminate. Does this cause any regression?
Чт, 04 май 2017, Ian Clark написал(а): > For the record, let me confirm I've also got j806 Beta working inside the > bundle (=macOS app) I'm developing. > > But there is a difference between j806 and j805 in how jconsole behaves > when the app kills and re-launches the JHS server, plus whether it's > possible for multiple copies of the jconsole "process" to coexist. I won't > clutter the list with stuff that's of no interest to anyone but me, but I > will post my results if anyone is hitting contingent issues. > > It's no great matter AFAIC – I can program round the differences. I merely > note it in passing. > > On Fri, Apr 28, 2017 at 3:28 PM, Ian Clark <[email protected]> wrote: > > > I've got a cutdown j805 installation working inside the bundle (=the app). > > So thanks for your advice, @Bill. > > > > For the record (i.e. for anyone trying to do what I did), Xcode copies > > "resources" (j scripts, in my case) into a substantially different file > > structure inside the "product" (=bundle it builds) than I have in the > > project folder. But Xcode can be told to treat entire folders as resources > > – and these it copies without messing them up. > > > > Or making trouble over any dylibs they contain. > > > > But then you have the problem of finding the runtime path to jconsole in > > order to launch it. > > The Swift object: Bundle.main.path --only finds files at the top level of > > the /Resources/ folder. > > > > There are 2 ways round this I know of… > > > > (a) launch a new special shell script I place at the top level of > > /Resources/ (which Bundle.main.path readily finds for me) --which in turn > > calls jconsole where it typically resides: viz inside /bin/ > > > > (b) pick any file: (…/Resources/anyfile.anyextension), find its path via > > Bundle.main.path, then string-process it to build the actual path: > > (.../Resources/bin/jconsole) > > > > I've used (b) just to get it to work. But that's so fragile and dodgy I'll > > probably go over to (a). Which does have the advantage I can move the > > command line arguments out of the Swift code and into the shell script > > (…where IMO they belong!) > > > > BTW just in passing… from what I read in the Apple security documentation, > > they'd like me to move that stuff the other way!! Because shell scripts > > inside the distributed app (the bundle) can be edited by anyone using > > TextEdit. Whereas inside Swift code the path arguments are concealed. And > > to edit the Swift code you'd need to install Xcode and get hold of my > > source code. (Which I plan to make Open Source anyway, ha-ha!) > > > > On Thu, Apr 27, 2017 at 11:55 PM, Ian Clark <[email protected]> wrote: > > > >> Thanks, Bill. That's a useful checklist of what I need. > >> > >> On Thu, Apr 27, 2017 at 3:16 AM, bill lam <[email protected]> wrote: > >> > >>> profile.ijs expects a J install to work, it would be easier > >>> if you duplicate the j base install inside your datenow folder, > >>> eg > >>> > >>> . > >>> ├── addons > >>> │ └── ide > >>> │ └── jhs > >>> │ ├── config > >>> │ ├── demo > >>> │ └── js > >>> │ ├── codemirror > >>> │ │ ├── j > >>> │ │ └── util > >>> │ ├── d3 > >>> │ ├── jquery > >>> │ │ └── smoothness > >>> │ │ └── images > >>> │ └── webgl > >>> ├── bin > >>> │ └── icons > >>> ├── system > >>> │ ├── config > >>> │ ├── defs > >>> │ ├── main > >>> │ └── util > >>> └── tools > >>> ├── ftp > >>> ├── regex > >>> └── zip > >>> > >>> --- user/config/startup.ijs <<<<< your script > >>> > >>> put jconsole and libj.dylib under the bin, and it should find > >>> the boot.ijs in system/util. Check the value of BINPATH and LIBFILE > >>> tweak profilex.ijs to assign ~user folder inside this bundle, > >>> the command to run your own script would be inside > >>> user/config/startup.ijs. > >>> > >>> Чт, 27 апр 2017, Ian Clark написал(а): > >>> > @Bill > >>> > jconsole finds libj.dylib perfectly well. Especially if they're both > >>> in the > >>> > same folder, like /bin/. (Inside a bundle, that's: /Resources/.) I'm > >>> 100% > >>> > certain now. > >>> > > >>> > The reason I originally blamed jconsole? I was getting this fatal > >>> runtime > >>> > error: > >>> > ————————————————— > >>> > dyld: Library not loaded: libj.dylib > >>> > Referenced from: > >>> > /Users/ianclark/Library/Developer/Xcode/DerivedData/datenow- > >>> gyuykqedjlmrnceezgclwsaipghz/Build/Products/Debug/datenow.ap > >>> p/Contents/MacOS/datenow > >>> > Reason: image not found > >>> > ————————————————— > >>> > I thought it was coming from jconsole, but it wasn't. It was the Apple > >>> Code > >>> > Police. The workaround was simply not to tell Xcode that the dylib was > >>> > present. > >>> > > >>> > jconsole could still find it – no trouble – but it was failing because > >>> it > >>> > created a bad SystemFolders_j_ . Therefore it couldn't find boot.ijs. > >>> (Only > >>> > a living working JE would get as far as that.) > >>> > > >>> > Thanks for telling me about NSGetExecutablePath. I might have a use for > >>> > that. But not inside a bundle, where Bundle (Swift) or NSBundle > >>> > (Objective-C) works perfectly well for me. It finds libj.dylib even > >>> when > >>> > Xcode doesn't know it's there. It's part of my runtime diagnostics. > >>> > > >>> > My architecture now works ok. But it is fragile and critical at build > >>> time. > >>> > I now have a lot of code in there to tell me exactly what goes wrong. I > >>> > know I will need it when I migrate to macOS Sierra. > >>> > > >>> > On Wed, Apr 26, 2017 at 3:07 AM, bill lam <[email protected]> wrote: > >>> > > >>> > > jconsole already has tried hard to find the absolute path of itself. > >>> For > >>> > > mac, it calls > >>> > > _NSGetExecutablePath > >>> > > in jeload.c , you may debug to find why it failed to load > >>> libj.dylib. if > >>> > > the result from the function call is correct, then it should a > >>> security > >>> > > issue or bundle cannot be accessed as a normal file system. > >>> > > > >>> > > On 26 Apr, 2017 9:51 am, "Ian Clark" <[email protected]> wrote: > >>> > > > >>> > > > Thanks, @Bill. I looked for a man-file and searched the wiki but > >>> > > overlooked > >>> > > > the user manual. > >>> > > > > >>> > > > @Eric - thanks, that may solve my problem. > >>> > > > > >>> > > > Is it a "real" problem? Yes. > >>> > > > > >>> > > > Do I really need it – for the end-user? Maybe / maybe not. > >>> > > > > >>> > > > I'm trying to embed jconsole directly in a Mac app, to simplify > >>> > > > distribution to non-J-experts. Currently I need to instruct the > >>> customer > >>> > > to > >>> > > > install J, and the app launches jconsole via a fixed absolute > >>> > > > path: /Applications/j64-805/bin/jconsole > >>> > > > > >>> > > > I could solve the problem with a fully-fledged installer, but I'd > >>> rather > >>> > > > offer a single monolithic app which can simply be downloaded and > >>> run from > >>> > > > anywhere. > >>> > > > > >>> > > > An app is really a disguised folder called a "bundle". Apart from > >>> that, > >>> > > it > >>> > > > acts like an ordinary folder for most purposes… > >>> > > > Except for libj.dylib (ideally needs to go in the bundle too), > >>> which > >>> > > Xcode > >>> > > > is being unexpectedly awkward about, in ways I don't fully > >>> understand. > >>> > > > Everything I've tried so far gets defeated: jconsole runs with a > >>> command > >>> > > > line but reports it can't find its dylib, even though I copy it to > >>> the > >>> > > same > >>> > > > directory inside the bundle. I suspect it's yet another ad-hoc > >>> security > >>> > > > band-aid from Apple. > >>> > > > > >>> > > > I reason that if I actually tell jconsole where libj.dylib is > >>> (…the one I > >>> > > > want it to use), that might fix it. Will report back when I've > >>> made sense > >>> > > > of what works and what doesn't. There's a raft of things to try. > >>> > > > > >>> > > > > >>> > > > On Wed, Apr 26, 2017 at 12:35 AM, Eric Iverson < > >>> [email protected] > >>> > > > > >>> > > > wrote: > >>> > > > > >>> > > > > A recent (806) change to jconsole added an undocumented new > >>> parameter: > >>> > > > -lib > >>> > > > > path/jlib.dylib > >>> > > > > > >>> > > > > It is undocumented because I figured it should only be used in > >>> special > >>> > > > > development circumstances. It would be interesting if you have a > >>> real > >>> > > use > >>> > > > > case for normal use. > >>> > > > > > >>> > > > > On Tue, Apr 25, 2017 at 6:15 PM, Ian Clark < > >>> [email protected]> > >>> > > > wrote: > >>> > > > > > >>> > > > > > OS X questions... > >>> > > > > > > >>> > > > > > On what default path does jconsole expect to find libj.dylib ? > >>> > > > > > > >>> > > > > > Can the actual path be specified as a command line argument to > >>> > > > jconsole? > >>> > > > > > > >>> > > > > > Where can I find a list of permissible command line arguments > >>> for > >>> > > > > jconsole? > >>> > > > > > ------------------------------------------------------------ > >>> > > ---------- > >>> > > > > > For information about J forums see http://www.jsoftware.com/ > >>> > > forums.htm > >>> > > > > ------------------------------------------------------------ > >>> ---------- > >>> > > > > For information about J forums see > >>> http://www.jsoftware.com/forums.htm > >>> > > > > > >>> > > > ------------------------------------------------------------ > >>> ---------- > >>> > > > For information about J forums see http://www.jsoftware.com/forum > >>> s.htm > >>> > > ------------------------------------------------------------ > >>> ---------- > >>> > > For information about J forums see http://www.jsoftware.com/forum > >>> s.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 > >>> gpg --keyserver subkeys.pgp.net --armor --export 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 gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
