Conversation with #inferno at Thu Aug 19 19:36:21 2010 on powerman-asdf@irc.freenode.net (irc)
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(01:48:48) dreadlorde: I keep getting the error ``emu.c:90: error: expected expression before ‘;’ token
(01:48:52) dreadlorde: ''
(01:49:36) dreadlorde: when trying to compile inferno from hg. anyone else experience this? looking at the source there doesn't seem to be anything wrong with line 90 in emu/Linux/emu.c
(06:20:00) Capso [none@about/networking/128.0.0.0/Capso] entered the room.
(06:20:26) Capso: how do you get inferno to plumb out to Plan 9?
(06:20:46) Capso: and how do you get inferno's snarf buffer to post to rio's snarf buffer?
(06:21:48) anth_x: i don't believe there's a way to directly plumb between the two. they at least used to be different; i don't believe there was ever a harmonization.
(06:21:54) anth_x: snarf buffer's easier.
(06:22:35) Capso: how do you do the snarf buffer, then?
(06:23:32) anth_x: there's two snarf device thingies in inferno. i believe you want the #^ one on /chan/snarf and /dev/snarf.
(06:23:48) Capso: do you bind over it?
(06:23:59) anth_x: yup
(06:24:43) Capso: how do you bind Plan 9's /dev/snarf over inferno's?
(06:24:55) Capso: or does emu just use Plan 9's /dev inside inferno too?
(06:25:06) anth_x: you don't need to. use #^/snarf
(06:26:15) Capso: oh, I see
(06:26:20) Capso: so bind #^/snarf /dev/snarf
(06:26:28) Capso: and bind #^/snarf /chan/snarf
(06:26:59) anth_x: yeah. i think wm only uses the chan one.
(06:27:13) Capso: cool
(06:27:24) Capso: hmm, and there's no such bind trick for plumb?
(06:27:57) anth_x: last time i checked (which was quite a while ago now) there were differences in the rules.
(06:28:30) anth_x: although maybe the file trees are the same; the rules would only really matter for starting up.
(06:28:57) anth_x: you could, of course, create rules for inferno's plumber that pass things to, say, /n/local/mnt/plumb
(06:29:03) anth_x: but that's a tedius setup.
(06:29:20) Capso: I'd like to pretty much pass everything to Plan 9
(06:29:40) Capso: cause Plan 9's plumber passes like web stuff to windows or to abaco, depending on which is up, etc.
(06:40:30) Capso: anth_x: there is no #^ for me :(
(06:47:13) vsrinivas: how about '#*snarf'
(06:50:23) Capso: vsrinivas: % ls '#*snarf'
(06:50:36) Capso: ls: stat #*snarf: unknown device: snarf
(06:50:44) Capso: vsrinivas: this is inferno-npe btw
(06:51:34) anth_x: hrm. i wonder if they don't build it in on plan9?
(06:51:34) anth_x: i *believe* you can just mount the host's /dev/snarf in and get the same effect on plan9.
(06:51:34) anth_x: it's a bit irritating that you couldn't then use the same setup on unix systems.
(06:51:57) Capso: oh, you mean mount /dev/snarf from plan9 before starting inferno, then bind that over, inside inferno?
(06:53:43) anth_x: that'd likely work. i was thinking bind /n/local/dev/snarf (or wherever you get it from; '#U'?) over /chan/snarf in your inferno startup.
(06:54:00) Capso: you don't get the host system from #U sadly :(
(06:54:15) Capso: vsrinivas: why in inferno-npe don't I see my Plan 9 host system from #U?
(06:54:43) vsrinivas: its #U*
(06:54:54) vsrinivas: not #U :D
(06:55:06) vsrinivas: hmm, i have no idea why we don't have 'snarf' on p9.
(06:55:24) Capso: grr, you guys
(06:56:02) anth_x: ?
(06:56:09) vsrinivas: (sorry! none of us used it on p9 till recently...)
(06:56:14) Capso: by "you guys" I mean the npe team
(06:56:27) vsrinivas: in emu/Plan9/emu, add 'snarf' after 'pointer'
(06:56:34) vsrinivas: (sorry! /me hides under the table)
(06:57:17) Capso: vsrinivas: also, redrawing kinda sucks in inferno-npe
(06:57:33) Capso: vsrinivas: try opening Acme in inferno-npe, then hide/display or close it
(06:57:51) Capso: the time it takes for it to redraw after the effect is tremendous
(06:59:12) Capso: vsrinivas: also, is there any hope to add the capability into emu to make it run off a kfs file?
(07:03:26) Capso: vsrinivas: you have to fix more
(07:03:37) Capso: vsrinivas: when I do that, I get:
(07:04:02) Capso: mk: no recipe to make 'devemu.8' in directory /n/other/os/inferno-npe/emu/Plan9
(07:04:37) vsrinivas: Capso: okay.  could you put these as issues on p9.
(07:04:41) vsrinivas: *on -npe.
(07:04:53) vsrinivas: i'll wander over to my p9 machine right now to look at them.
(07:05:04) vsrinivas: (can you tell me more about redraw?)
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(07:05:45) Capso: that's all I got - try it out
(07:05:50) Capso: I don't know any code level details :(
(07:06:25) Capso: vsrinivas: sorry! sorry! the last one was my fault! I added 'emu' instead of 'snarf' after 'pointer'
(07:07:08) vsrinivas: okay. i'll try it. what graphics card on p9, btw?
(07:07:15) vsrinivas: (and is it the latest version of -npe?)
(07:07:49) Capso: latest, from mercurial
(07:07:56) Capso: well, OK, I haven't updated for a few days
(07:08:10) Capso: graphics card is an nVidia GeForce FX 5200
(07:08:11) vsrinivas: okay, post 8/3?
(07:08:13) vsrinivas: okay.
(07:08:34) vsrinivas: i have an nvidia card too, vganvidia works mostly the same way, i can test wel here.
(07:08:59) Capso: vsrinivas: OK, I have problem for you
(07:09:06) Capso: vsrinivas: snarfclose: clipwrite is undefined
(07:09:13) Capso: snarfread: clipread is undefined
(07:10:25) vsrinivas: okay. 
(07:10:37) vsrinivas: fwiw real inferno-os doesn't have the snarf device on p9 either.
(07:11:00) Capso: yeah, it seems to be only in win-x11a.c
(07:11:03) vsrinivas: i guess binding it in from p9 is the right answer.
(07:11:06) Capso: OK
(07:33:34) Capso: wait, how are you supposed to bind '#U*/dev/snarf' /chan/snarf before inferno starts, if /chan/snarf doesn't exist until wm starts?
(07:33:45) Capso: I want to do this for my solo charon session
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(08:03:41) Capso: is there a stub(1) like utility for inferno?
(08:08:13) Capso: vsrinivas?
(08:09:07) vsrinivas: Capso: yep. what is stub?
(08:09:19) vsrinivas: i'm looking at the draw stuff here... acme seems okay, but not great....
(08:09:27) vsrinivas: what res are youy running at?
(08:09:34) vsrinivas: *both the emu window and acme
(08:09:39) vsrinivas: also, how are you starting charon?
(08:09:42) Capso: 1024x786
(08:09:53) Capso: I'm starting it like it says on Tip o' the Day at P9 wiki
(08:10:08) vsrinivas: okay.
(08:10:14) vsrinivas: oh, the rioimport script one?
(08:10:16) Capso: the problem is, /chan/snarf comes up after the wm
(08:10:29) Capso: but you can't bind anything after that, cause the wm has to run
(08:10:36) vsrinivas: yea. 
(08:10:38) Capso: so you have to somehow bind before
(08:10:43) Capso: yeah, rioimport
(08:10:50) vsrinivas: let me look at my charon scripts, one sec
(08:10:51) Capso: so how do you do it?
(08:10:54) Capso: maybe like...
(08:10:59) Capso: chan snarf
(08:11:06) Capso: bind -b '#U*/dev/snarf' /chan/snarf
(08:11:09) vsrinivas: you could write a wm script
(08:11:09) Capso: ...
(08:11:11) Capso: like that?
(08:11:24) Capso: a wm script?
(08:11:33) Capso: what is such a script?
(08:11:48) vsrinivas: wm can run a script at startup, i forget how.
(08:12:54) Capso: is it wmsetup?
(08:13:03) Capso: I thought that was only for wm/wm?
(08:13:06) Capso: not other wm stuff?
(08:13:13) vsrinivas: oh, fair
(08:13:20) vsrinivas: (i just do wm/wm charon, fwiw)
(08:13:37) vsrinivas: lets see, -b might work, 
(08:13:40) Capso: is that any different from wm/charon ?
(08:13:46) vsrinivas: no,
(08:13:51) Capso: I imagine it's more shit that has to run?
(08:13:59) vsrinivas: no rioimport, is all.
(08:14:01) vsrinivas: yea, prolly.
(08:14:35) Capso: why is there no chan.dis?
(08:14:36) Capso: hmm
(08:16:58) Capso: vsrinivas: there's a /lib/wmcharon
(08:17:04) Capso: which is probably what you mean
(08:17:12) Capso: vsrinivas: but that idea doesn't work across the board :(
(08:23:56) Capso: vsrinivas: the only way I can think of is, to use stub(1) like tool to create a synthetic /chan/snarf and then bind -b '#U*/dev/snarf' /chan/snarf before the wm program starts
(08:24:08) Capso: vsrinivas: so, is there some stub(1) tool for inferno?
(08:26:21) vsrinivas: hmm, i don't think so. i've never looked..
(09:26:45) Capso: I made a script that works
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