Steve,
I just quickly ran your program on Fedora/Windows several times and
didn't see the error. Can you please provide "unicon -version" and "unicon
-features" output ?
Can you also tell me what OS/hardware you are using ?
Thanks,
Jafar
On Mon, Jun 24, 2013 at 1:57 PM, Jafar Al-Gharaibeh <to.ja...@gmail.com>wrote:
> Steve,
>
> Thanks for the report. I will look into it and get back to you in few
> days, hopefully with a fix.
>
> --Jafar
>
>
> On Mon, Jun 24, 2013 at 1:24 PM, Steve Wampler <swamp...@noao.edu> wrote:
>
>>
>> I've got the following simple program to solve a RosettaCode task
>> [Floyd's Triangle]:
>>
>> ---------------------------------
>> procedure main(a)
>> n := integer(a[1]) | 5
>> w := *string((n*(n+1))/2)+1
>> c := create seq()
>> every i := 1 to n do {
>> every writes(right(|@c\i,w))
>> write()
>> }
>> end
>> ---------------------------------
>> When compiled with SVN head, the program runs and produces the correct
>> output, right up to the end of the execution of main():
>>
>> --------------------------------
>> unicon ft.icn
>> Parsing ft.icn: .
>> /opt/unicon/bin/icont -c -O ft.icn /tmp/uni18000727
>> Translating:
>> ft.icn:
>> main
>> No errors
>> /opt/unicon/bin/icont ft.u
>> Linking:
>> You have new mail.
>> ->ft
>> 1
>> 2 3
>> 4 5 6
>> 7 8 9 10
>> 11 12 13 14 15
>> System error at line 4 in ft.icn
>> The current thread already owns the mutex.
>> System error at line 4 in ft.icn
>> The current thread already owns the mutex.
>> ->ft
>> 1
>> 2 3
>> 4 5 6
>> 7 8 9 10
>> 11 12 13 14 15
>> System error at line 4 in ft.icn
>> The current thread already owns the mutex.
>> ->
>> --------------------------------
>>
>> Note that the error messages appears twice on one run, and once
>> on the other. If I stick a return at the end of main, or if I
>> stick an exit(0) at the end - the result is the same.
>>
>> I don't see any reason for the execution at that point to be
>> inside the co-expression definition.
>>
>> Is this expected behavior now - or is this a problem with the
>> interaction of concurrency and co-expressions in the implementation?
>>
>> Thanks!
>> Steve
>> --
>> Steve Wampler -- swamp...@noao.edu
>> The gods that smiled on your birth are now laughing out loud.
>>
>>
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