[plt-scheme] equivalent to atexit?

It seems that memory served me wrong: only when writing C code, you can 
put objects under the management of custodians. 
http://docs.plt-scheme.org/inside/Custodians.html

For Scheme code, dynamic-wind would be more appropriate.

Chongkai

Chongkai Zhu wrote:
> You should look into /custodian/.
>
> Chongkai
>
> YC wrote:
>> Hi -
>>
>> is there an equivalent of atexit within mzscheme?  Basically - 
>> something that can be called in order when the mzscheme exits.  I am 
>> thinking of long living objects that is always referenced but should 
>> be cleaned up when the program is exiting.
>>
>> Thanks,
>> yc
>>
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