<< 28-03-2016 >>
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00:23:17Varriountcheatfate: https://gist.github.com/Varriount/1c93a6e1e9beb774def4
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07:34:37cheatfateVarriount_, add "var a = initQueue[int]()" to the end of your file and try to compile your code with "--threads:on"
07:38:05Varriount_cheatfate: Updated. I forgot to add some type parameters.
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07:42:30cheatfateVarriount, if you are using createShared, why you are not using freeShared
07:45:30cheatfateallocShared/deallocShared and createShared/freeShared
07:45:31Varriountcheatfate: At least current, both deallocShared and freeShared are the same thing.
07:45:51cheatfatebut createShared and allocShared are also the same thing
07:46:50cheatfateSo i think its better to use functions from on family then from both, even if they are equal
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07:47:18cheatfate*from one family
07:48:42Varriountcheatfate: They all allocate from the same memory pool. The reason I use createShared is that it does the casting and size calculation for you.
07:49:20VarriountI kept in deallocShared because that is what was originally used.
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07:51:20cheatfateVarriount, if you look standart library for "createShared" the only place, where you will find it, is - system.nim
07:52:29Varriountcheatfate: Yes. So?
07:53:44cheatfateVarriount, my code was taken from here https://github.com/nim-lang/Nim/blob/crazy_concurrency/lib/pure/collections/sharedlist.nim
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07:55:12cheatfateVarriount, look line 67
07:56:15Varriountcheatfate: Ok...? All I see is an equivalent, if slightly more verbose and complex procedure.
07:59:47cheatfateVarriount, forget it, my english is too bad, to try to to explain my minds about styles of code
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08:09:09cheatfateVarriount, but how to make this Queue GC friendly because currently default GC could not work properly with lists
08:09:26cheatfateVarriount, i mean singlethreaded variant
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08:17:52cheatfateVarriount, about GC friendly https://github.com/nim-lang/Nim/issues/3793
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09:39:35cheatfateAraq, is it possible to have items() iterator for sharedtables.nim like it was made in sharedlists.nim / tables.nim?
09:40:14Araqcheatfate: sure thing. I implemented what I needed for sharedtables
09:40:36Araqhowever,as I said lots of things are also missing to discourage races
09:42:13cheatfateYesterday you give me nice idea about deadlock i have, but currently i'm adopting simple select() (when no epoll/kqueue/iocp available) and this mechanism doesnt return any identifiers so i need to iterate over all my descriptros and FD_ISSET them with result of select
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09:46:59Araqvegansk: good news. seems like your closure bug is next on my list ;-)
09:47:30veganskAraq, glad to hear it!! :-)
09:48:38filcucstupid question, when return the string for dynlib is there a way for giving two options?
09:48:57filcuclike "mylib.dll|libMyLib.dll"
09:49:38Araqfilcuc: exactly like you propose except you need ()
09:50:12Araqor you can simplify it: "(mylib|libMylib).dll"
09:50:51Araqbut I would beat the crap out of the people who think Win needs a pahetic "lib" prefix like on Poonix
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14:45:39Varriountcheatfate: Then use dynamic arrays.
14:46:19cheatfateVarriount, you mean seqs?
14:46:48VarriountPossibly.
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15:16:24cheatfateVarriount, but you cannot use seqs because they using gc'ed non-shared memory
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15:56:18couven92how do I write a when that checks the build configuration that is specified with nim -d:<configuration>?
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15:59:50couven92when debug: does seem to work... :O
16:00:41couven92ah, no... when debug: does NOT work... :-/
16:00:42dom96couven92: when defined(release)
16:01:06couven92dom96, ah! Thx :-)
16:12:44dom96np :)
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16:28:45dom96Anybody got experience with GNU's build system? https://twitter.com/d0m96/status/714488850786164736
16:33:56ArrrrI had a bad experience
16:40:33cheatfateyeah make is something from the hell, and this guys dont like nim's 2 spaces :D
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17:02:28dom96:)
17:02:34dom96I beat it into submission
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17:07:57ArrrrDid i imported this function in a wrong way?
17:08:01Arrrrproc SetConsoleCursorInfo(fl: cint, info: var (int, bool)): int {.stdcall, dynlib: "kernel32", importc.}
17:08:05Arrrrhttps://msdn.microsoft.com/en-us/library/windows/desktop/ms686019(v=vs.85).aspx
17:08:29ArrrrIm calling it with:
17:08:38Arrrrvar info = (1, false);SetConsoleCursorInfo getFileHandle(stdOut), info
17:13:07dom96Arrrr: The tuple looks problematic
17:13:14dom96define an object
17:14:10Arrrrmm ok ill try
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17:16:11Arrrrno changes, i dont know what's the matter
17:17:17dom96also try ptr T instead of var T
17:18:59ArrrrNothing, i put ptr in the signature and callit it with addr(info)
17:19:40cheatfateArrrr, try to do sizeof(info) before you passing it to function
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17:20:21Arrrrok
17:20:24cheatfatebecasue nim's bool != windows bool... BOOL = cint
17:20:44Arrrryes, but i defined it with int32
17:21:03cheatfatei saw this: proc SetConsoleCursorInfo(fl: cint, info: var (int, bool)): int {.stdcall, dynlib: "kernel32", importc.}
17:21:09Arrrrit gives me 8
17:21:33ArrrrWell, int. In my computer int == int32
17:21:56dom96You sure dword == int?
17:22:11cheatfatedword = int32
17:22:14cheatfatebool = dword
17:22:41ArrrrIn nim is defined like that https://github.com/nim-lang/Nim/blob/devel/lib/windows/winlean.nim#L36
17:23:13dom96You should use the types defined in winlean anyway
17:23:32cheatfateyeah, but DWORD = uint32 not int32
17:24:03cheatfateArrrr, do you use mingw?
17:26:13Arrrryeo
17:26:17cheatfateArrrr, and what you get with GetLastError()?
17:26:33cheatfateor you get exception?
17:28:11ArrrrI get nothing, and i didnt try with getLasError
17:28:26Arrrrbut i can see what returns
17:29:17cheatfatethere was a problem with mingw alignment of structure members but this is too simple structure to worry about
17:29:59cheatfateSo we need to check result and getlasterror() maybe you dont have enough access rights on your `fl`
17:31:49ArrrrYes, i get 0, i'll check what gtlasterror says
17:32:34cheatfateAraq, is it possible to `break` from this iterator https://gist.github.com/cheatfate/3c672edeb590ad93990f
17:33:06dom96Arrrr: Does the procedure simply do nothing?
17:33:10dom96is that the problem?
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17:33:26Arrrrmmm invalid handle i get
17:33:38ArrrrThat's what getlasterror tells me
17:33:58Arrrrint(getFileHandle(stdOut))
17:34:13ArrrrMaybe i can get the file handle with this proc?
17:34:14dom96what does the call to SetConsoleCursorInfo return?
17:34:20Arrrr0
17:34:28Arrrrand getlasterror 6
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17:36:10cheatfateArrrr, and how you obtain your `fl`?
17:36:29cheatfateArrrr, GetStdHandle(STD_OUTPUT_HANDLE)?
17:36:33dom96cheatfate: getFileHandle(stdOut)
17:36:48dom96but yeah, try copying this code verbatim http://stackoverflow.com/a/20021332/492186
17:36:57dom96(translating to Nim of course)
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17:38:35ArrrrWell ... i'll get that GetStdHandle
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17:40:08Araqcheatfate: yeah why wouldn't it?
17:40:20cheatfateAraq, it will not release lock :(
17:40:33Araqput it in a try finally
17:40:47cheatfateand raise exception?
17:42:01Arrrryay, it works!: GetStdHandle(-11)
17:42:06ArrrrTHank you dom96 and cheatfate.
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17:42:13Araqno withLock should use try finally or 'defer'
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17:45:47cheatfateAraq, thanks it helps
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17:54:55cheatfateArrrr, where you found getFileHandle() ?
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18:16:23ArrrrIt is defined in system
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18:37:11cheatfatei hate this withLock macro
18:37:21cheatfatesomebody needs to delete it from locks
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18:48:39drewsremCan someone give me a hint what I'm supposed to pass as fn here? https://github.com/nim-lang/Nim/blob/master/lib/pure/colors.nim#L70
18:49:58reactormonkdrewsrem, Color -> Color -> Color
18:50:29drewsremreactormonk, I still don't get it
18:51:08drewsremreactormonk, I sort of expected passing an anon proc, but instead I pass ...?
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18:54:08drewsremreactormonk, I really only know -> from do-notation
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19:20:21dom96drewsrem: Basically a procedure which takes two Color parameters and returns a Color.
19:20:40dom96reactormonk: not everyone is familiar with Haskell
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19:25:42drewsremdom96, thanks for the response, https://github.com/nim-lang/Nim/blob/master/lib/pure/colors.nim#L83 is this even legit syntax?
19:26:01drewsremI noticed no module makes use of mix
19:26:40dom96drewsrem: good question, never seen `bind` used that way myself.
19:26:44dom96Araq: ?
19:26:46drewsremdom96, because I tried that ofc. and it doesn't work
19:27:04dom96drewsrem: ahh, so mix doesn't work at all?
19:28:00Araqdom96: what's the question?
19:28:04drewsremdom96, http://ix.io/v2A
19:28:08drewsremI think mix is broken
19:28:22dom96Araq: what is up with that weird bind syntax? https://github.com/nim-lang/Nim/blob/master/lib/pure/colors.nim#L83
19:29:42Araqjust pass it an expression like `+`
19:30:19Araq(bind foo)(x, y) is the same as
19:30:21Araqbind foo
19:30:24Araqfoo(x, y)
19:33:45drewsremMaybe it's just on my end, or I'm still making some grave mistake: http://ix.io/v2A
19:34:25cheatfatedom96, something wrong with your locks.nim:withLock public macro
19:34:55cheatfatei have modified sharedtables.nim to use this macro (removed old one from file)
19:36:22cheatfatehttps://gist.github.com/cheatfate/51704b46b88560ced6f2
19:37:28dom96cheatfate: guess that `body` should be `stmt` not `untyped`
19:37:37dom96change it in core/locks and see if that helps
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19:39:35cheatfatedom96, same shit
19:40:16cheatfatei will try to make reproducable source
19:45:15cheatfatehttps://gist.github.com/cheatfate/a81079b5231bd7876869
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19:46:06cheatfatethis is copy of sharedtables.nim with removed own withLock macro and added some code at the bottom
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20:26:17dom96cheatfate: sorry, i'm not sure what the problem is.
20:26:17dom96Seems to be some weird interaction between templates
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21:16:36Araqbody needs to be untyped ...
21:20:10Araqcheatfate: well the expression indeed has type 'void'
21:20:22Araqthe compiler is trying to tell you the context makes no sense
21:20:51cheatfateAraq, but it untyped or stmt produces same error
21:21:20cheatfateAraq, this is your code i just removed simple variant of withLock
21:21:29cheatfateto use advanced from locks.nim
21:21:41cheatfateand got this errors
21:27:48Araqwhat makes you think they are compatible?
21:28:04Araq acquire(t.lock)
21:28:06Araqvs
21:28:15Araq a.acquire()
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21:33:58cheatfateomg
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21:38:54cheatfateits why i hate it, i'm making this mistake 2nd time, thank you
21:41:11dom96I don't get it, what is the problem in cheatfate's code?
21:42:55cheatfatedom96, https://github.com/nim-lang/Nim/blob/devel/lib/pure/collections/sharedtables.nim (lines 43-46) i have replaced with new one you can see in gist
21:43:10cheatfateso replacement was mistaken
21:43:51cheatfateIts because of 2 types of withLock's you can find in standart library :) your variant of withLock and Araq's variant of withLock... and they are not compatible :)
21:45:32dom96oh I see.
21:45:49Araqmy 'withLock' predates dom96's :P
21:45:52dom96Yeah, the error message needs to be improved here drastically.
21:45:55Araqso mine is correct
21:46:06Araqlol be my guest.
21:46:24dom96But yours doesn't verify the locks at compile-time
21:46:31dom96:P
21:46:50Araqmine is not part of any public API anyway
21:47:26dom96cheatfate: Can you create an issue with a quick code sample asking us to improve the error message?
21:49:45Araqdom96: *cough* you haven't improved a single error message afaik.
21:50:05Araqwhat's teh point in stacking up ever more "improve error messages" issues?
21:50:21Araqnobody works on this.
21:50:26Araqnobody ever worked on this.
21:51:05Araqwhat should the error message be for (foo; bar; baz; if ...).field ?
21:51:15Araqcause that's what the compiler sees.
21:51:34Araq'(foo; bar; baz; if ...)' has no type.
21:51:57dom96And once again, Araq with the encouraging words.
21:54:00cheatfateAraq, do you remember you want to make sharedtables with 'stripping locks', just want to ask you how to implement hashkeys iterator for this case?
21:54:36cheatfateis it possible to do without locking all locks?
21:55:45Araqdom96: ha, just now I got an idea how to improve the error messages ;-)
21:56:03dom96Araq: precisely
21:56:16Araqbut that's one search&replace in the compiler, that doesn't require 5 billion issues about the same
21:56:22Araqthat I then have to close
21:57:39Araqcheatfate: you need to acquire the locks one after the one, but not all at once
21:57:49Araqeven though that's ... hrm tricky
21:58:19Araqusually the growth strategy affects the locking strategy
22:06:36dom96Araq: The issues serve as a good reminder. We have ~700 issues, that's *nothing*.
22:13:35dom96But if you really want we can create a separate repo dedicated to these types of issues.
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