Simpler case.
julia> function test2()
@async x=1
x = 2
end
test2 (generic function with 1 method)
julia> test2()
ERROR: UndefVarError: x not defined
in test2 at none:2
Issue created : https://github.com/JuliaLang/julia/issues/11062
On Thu, Apr 30, 2015 at 8:55 AM, Amit Murthy <[email protected]> wrote:
> Yes, this looks like a bug. In fact the below causes an error:
>
> function test2()
> ref = @spawnat workers()[1] begin
> x=1
> end;
> x=2
> end
>
> Can you open an issue on github?
>
>
> On Thu, Apr 30, 2015 at 7:07 AM, Sam Kaplan <[email protected]>
> wrote:
>
>> Hello,
>>
>> I have the following code example:
>> addprocs(1)
>>
>> function test1()
>> ref = @spawnat workers()[1] begin
>> x = 1
>> end
>> y = fetch(ref)
>> @show y
>> end
>>
>> function test2()
>> ref = @spawnat workers()[1] begin
>> x = 1
>> end
>> x = fetch(ref)
>> @show x
>> end
>>
>> function main()
>> test1()
>> test2()
>> end
>>
>> main()
>>
>> giving the following output:
>> y => 1
>> ERROR: x not defined
>> in test2 at /tmp/test.jl:12
>> in main at /tmp/test.jl:21
>> in include at /usr/bin/../lib64/julia/sys.so
>> in include_from_node1 at ./loading.jl:128
>> in process_options at /usr/bin/../lib64/julia/sys.so
>> in _start at /usr/bin/../lib64/julia/sys.so
>> while loading /tmp/test.jl, in expression starting on line 24
>>
>>
>> Is this a valid error in the code or a bug in Julia? The error seems to
>> be caused when the variable that is local to the `@spawnat` block has its
>> name mirrored by the variable being assigned to by the `fetch` call.
>>
>> For reference, I am running version 0.3.6:
>> _
>> _ _ _(_)_ | A fresh approach to technical computing
>> (_) | (_) (_) | Documentation: http://docs.julialang.org
>> _ _ _| |_ __ _ | Type "help()" for help.
>> | | | | | | |/ _` | |
>> | | |_| | | | (_| | | Version 0.3.6
>> _/ |\__'_|_|_|\__'_| |
>> |__/ | x86_64-redhat-linux
>>
>>
>> Thanks!
>>
>> Sam
>>
>
>
