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2015-02-01T07:34:44Z scymtym_: minion: memo for stassats: i would like to discuss ab242b14 (fix for "NIL is not CLEANUP"). i was working on that as well (http://paste.lisp.org/display/145519). the linked patch touches ONLY-HARMLESS-CLEANUPS in addition to EMIT-CLEANUPS since it has the same traversal pattern. however, my main concern is whether stopping at NIL is not just suppressing a symptom of an underlying problem.
2015-02-01T07:34:44Z minion: Remembered. I'll tell stassats when he/she/it next speaks.
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2015-02-01T09:17:55Z scymtym_: debug.impure.lisp:local-tail-call-variables fails on x86 but not x86_64: https://ci.cor-lab.org/job/sbcl-master/839/featureset=1,label=ubuntu_trusty_32bit/consoleFull (search for "UNEXPECTED-FAILURE :LOCAL-TAIL-CALL-VARIABLES")
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2015-02-01T09:30:45Z lispm: generate-version.sh looks changed.
2015-02-01T09:31:13Z stassats: it was changed
2015-02-01T09:31:13Z minion: stassats, memo from scymtym_: i would like to discuss ab242b14 (fix for "NIL is not CLEANUP"). i was working on that as well (http://paste.lisp.org/display/145519). the linked patch touches ONLY-HARMLESS-CLEANUPS in addition to EMIT-CLEANUPS since it has the same traversal pattern. however, my main concern is whether stopping at NIL is not just suppressing a symptom of an underlying problem.
2015-02-01T09:31:15Z stassats: by me
2015-02-01T09:31:18Z lispm: on my Mac under Mac OS X 10.10.2 it does not set the version correctly using the released source
2015-02-01T09:31:30Z lispm: > generate-version.sh: line 17: return: can only `return' from a function or sourced script
2015-02-01T09:32:06Z lispm: so it always sets it to -dirty
2015-02-01T09:32:36Z lispm: the same script works fine under Linux/Ubuntu
2015-02-01T09:33:17Z scymtym_: stassats: i would like to commit http://paste.lisp.org/display/145519#2 (maybe without using the macro in the same file in which it is defined) and leave the potential underlying issue for later. any objections?
2015-02-01T09:34:00Z stassats: scymtym_: i think checking for nil is the right thing, since it goes generating different cleanups, so it maybe cleanup-1 cleanup2 cleanup3 nil
2015-02-01T09:34:07Z stassats: and it needs to stop at the nil
2015-02-01T09:35:40Z stassats: as it wants to emit a sequence of different cleanups. it may be directed to stop at cleanup3, but that's just a different way to look at it
2015-02-01T09:38:40Z scymtym_ will reply in a bit; has to take care of baby first
2015-02-01T09:39:10Z stassats: a cleanup, maybe?
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2015-02-01T09:43:22Z stassats: in only-harmless-cleanups, i don't think that checking (or not checking) for nil is correct
2015-02-01T09:43:38Z stassats: since i can imagine there being a non-harmless cleanup after NIL
2015-02-01T09:44:26Z stassats: or it's nested cleanups, not sequential
2015-02-01T09:44:30Z stassats: need a test case
2015-02-01T09:45:14Z scymtym_: luckily, no mess-up. just desire for attention
2015-02-01T09:46:04Z scymtym_: ONLY-HARMLESS-CLEANUPS is what i saw originally. simplifying that test case accidentally turned it into the EMIT-CLEANUPS one
2015-02-01T09:46:27Z stassats: ok, i think i need better to understand cleanups
2015-02-01T09:46:38Z scymtym_: the un-simplified test case should be available at https://www.techfak.uni-bielefeld.de/~jmoringe/bug.lisp but is ~ 1.5 MB of source code
2015-02-01T09:46:41Z stassats: scymtym_: can you get me a only-harmless-cleanups test case then?
2015-02-01T09:46:53Z stassats: test case reduction is what i do for breakfast
2015-02-01T09:47:11Z scymtym_: have fun with this one
2015-02-01T09:48:18Z scymtym_: so abstracting the traversal into a function and/or macro doesn't make sense because stopping at nil is not always trt?
2015-02-01T09:58:57Z stassats: maybe it is, i need to understand the cleanups some more
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2015-02-01T10:00:10Z scymtym_: could you reproduce the ONLY-HARMLESS-CLEANUPS problem with the larger test case?
2015-02-01T10:00:14Z stassats: yes
2015-02-01T10:00:33Z stassats: emacs doesn't like it
2015-02-01T10:01:23Z scymtym_: yeah, that slowed me down as well
2015-02-01T10:02:15Z scymtym_: i think you can get rid of all the SYMBOL-MACROLET CLPYTHON::%PYDECL-STATE% immediately
2015-02-01T10:02:20Z scymtym_: that should help a bit
2015-02-01T10:34:14Z stassats: emacs doesn't like it
2015-02-01T10:34:18Z stassats: oops
2015-02-01T10:53:50Z stassats: scymtym_: http://paste.lisp.org/display/145519#3
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2015-02-01T11:38:35Z scymtym_: stassats: (flet ((f () (funcall (lambda () (funcall a2))))) …), but other than i can't reduce that either
2015-02-01T11:41:18Z stassats: scymtym_: http://paste.lisp.org/display/145519#4
2015-02-01T11:42:02Z stassats: and no Y needed
2015-02-01T11:42:58Z scymtym_: stassats: did you make progress understanding why traversing nested cleanups can be expected to eventually hit block2's related cleanup?
2015-02-01T11:43:17Z stassats: no, being sidetracked by the australian open
2015-02-01T11:45:02Z scymtym_: annotation 1 shows how traversing the cleanups takes the same "path" in both cases but the expected end-point is not on the path in second case
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2015-02-01T11:53:26Z stassats: scymtym_: can you also change unless (null to when in only-harmless-cleanups?
2015-02-01T12:00:34Z stassats: scymtym_: otherwise, commit your fix
2015-02-01T12:00:48Z scymtym_: i can change that
2015-02-01T12:01:04Z stassats: i still don't understand the cleanups well enough, but this seems alright
2015-02-01T12:01:08Z scymtym_: i will also add your test case unless you want to take credit for that
2015-02-01T12:01:22Z stassats: no, i'm humble like that
2015-02-01T12:01:39Z scymtym_: ok, will commit
2015-02-01T12:01:47Z stassats: just remove Y
2015-02-01T12:02:34Z scymtym_: there will be time for more amendments since i will have to build and run tests, anyway :)
2015-02-01T12:02:34Z stassats: and do two for the resulting function with T and NIL
2015-02-01T12:02:46Z stassats: two calls
2015-02-01T12:02:54Z stassats: and check the results
2015-02-01T12:05:09Z scymtym_: sure, already did taht
2015-02-01T12:05:13Z scymtym_: *that
2015-02-01T12:14:29Z stassats: so, what happens when there's a block between the two blocks?
2015-02-01T12:16:27Z scymtym_: at least when coming from FIND-CLEANUP-POINTS, block2 is a successor of block1
2015-02-01T12:16:58Z stassats: in only-harmless-cleanups
2015-02-01T12:21:16Z stassats: maybe immediately-used-p ensures that
2015-02-01T12:22:56Z scymtym_: seems plausible but i cannot tell either
2015-02-01T12:23:44Z scymtym_: can i/do i have to use EVAL-WHEN to be able to use the DO-NESTED-CLEANUPS macro within the same file? i would do that in ordinary code but is it possible in the compiler?
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2015-02-01T12:26:49Z stassats: can you put it somewhere else?
2015-02-01T12:27:09Z stassats: like macros.lisp
2015-02-01T12:29:59Z scymtym_: sure, although ir1util would be somewhat appropriate
2015-02-01T12:30:08Z stassats: Krystof: do you consider making a new source tarball?
2015-02-01T13:11:23Z scymtym_: pushed (and debug.impure.lisp / LOCAL-TAIL-CALL-VARIABLES fails here, on x86, as mentioned earlier)
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2015-02-01T13:19:56Z Krystof: stassats: why?
2015-02-01T13:27:18Z Krystof: oh, right, with your fix
2015-02-01T13:31:10Z Krystof: it doesn't happen on all platforms.  If it's just OS X I would tend to say ignore it (with mail to sbcl-announce); if it affects more then fix it
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2015-02-01T13:51:52Z adlai: how do I get the PID of a thread? (32bit linux)
2015-02-01T13:53:07Z adlai: sb-posix:getpid and sb-unix:unix-getpid give me the pid of the process that started the thread, not of the specific thread
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2015-02-01T14:05:14Z stassats: Krystof: it happens anywhere /bin/sh is bash
2015-02-01T14:09:07Z nyef: ... there are places that /bin/sh ISN'T bash? (-:
2015-02-01T14:09:58Z stassats: ... yes
2015-02-01T14:47:21Z Krystof: yeah, debian
2015-02-01T14:48:36Z Krystof: that sounds sufficiently widespread that making an updated source tarball is sensible
2015-02-01T14:48:45Z stassats: i can do it
2015-02-01T14:48:48Z Krystof: thanks
2015-02-01T14:48:48Z stassats: it's my mess
2015-02-01T14:48:55Z stassats: or bash's mess
2015-02-01T14:48:58Z stassats: let's blame bash
2015-02-01T14:52:08Z stassats: Krystof: your .asc will be wrong, though
2015-02-01T14:53:49Z stassats: Krystof: uploaded, you may download it and regenerate hashes
2015-02-01T14:54:07Z stassats: but your hashes are for .tar and not for tar.bz2, is that right?
2015-02-01T14:58:02Z Krystof: my hashes are for .tar
2015-02-01T14:58:21Z Krystof: do you have a key?  I'd prefer it if we removed my .asc and replaced it with yours
2015-02-01T14:59:44Z Krystof: no, not replace; mine still has useful information in it
2015-02-01T14:59:45Z Krystof: curses
2015-02-01T15:00:17Z Krystof: if you can upload a signed statement about the new tarball that would be good
2015-02-01T15:00:23Z Krystof: I'll mail sbcl-announce later
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2015-02-01T15:09:29Z stassats: i may or may not have a key
2015-02-01T15:12:27Z stassats: i don't think anybody checks the signature
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2015-02-01T15:38:24Z Krystof: we'll find out :-)
2015-02-01T15:43:30Z drichards: is the warning about about the Windows port still valid?  There are commits going in for it?
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2015-02-01T15:49:53Z stassats: the warning is valid
2015-02-01T15:52:10Z drichards: what can I do to get involved?
2015-02-01T15:55:58Z stassats: use it
2015-02-01T15:57:07Z nyef: Use it. Find bugs. Write documentation. Send patches to fix bugs.
2015-02-01T15:59:52Z drichards: fair enough, makes sense
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2015-02-01T16:01:44Z drichards: does C-to-Lisp :stdcall function calls work?  I went looking through the source and didn't see code to support it.
2015-02-01T16:02:45Z drichards: it's going to be impossible to write any kind of gui app without it
2015-02-01T16:02:58Z nyef: They might not. As a special-case, however, window procedures are defined to be implementable with either convention.
2015-02-01T16:04:38Z drichards: those are the most common c-to-lisp cases
2015-02-01T16:04:40Z drichards: ok
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