[plt-scheme] ffi: dlopen in unix

Would that not break compatibility with e.g. windows?

Jon Rafkind schreef:
>> RTLD_GLOBAL is not used when you pass in #f -- this passes NULL to
>> dlopen, and no linking of new names is done.
>>     
> RTLD_GLOBAL is always used, #f passes in NULL for the name argument but
> I was saying maybe only RTLD_GLOBAL is needed when the name is NULL( #f
> ). Perhaps this is not the case as you say below.
>   
>>   OTOH, there are cases
>> where RTLD_GLOBAL is needed, when one library requires loading another
>> library in and wants to use its `bindings' (at least this is my
>> understanding of these things).  Maybe an optional argument should be
>> added to ffi-lib at some point?
>>   
>>     
> How about just a 3rd parameter to ffi-lib, 'global or 'local which would
> correspond directly to RTLD_GLOBAL or RTLD_LOCAL?
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