[Rd] R_NilValue and segfault.
Guillaume Yziquel
guillaume.yziquel at citycable.ch
Wed Nov 18 05:45:20 CET 2009
Duncan Murdoch a écrit :
> On 17/11/2009 9:31 PM, Guillaume Yziquel wrote:
>> Guillaume Yziquel a écrit :
>>> Hello.
>>>
>>> I've been trying to wrap up the R_NilValue into OCaml-R. I
>>> nevertheless get a segfault.
>>
>> Is the value of R_NilValue (I mean the address in the R_NilValue
>> pointer located in the uninitialized data section - i.e. the BSS
>> section) set up *after* the init function is called?
>
> It is initialized in InitMemory, called from setup_Rmainloop, called
> from various places, including Rf_initEmbeddedR, which you should be
> calling.
>
> Duncan Murdoch
Unfortunately, it's up to the user of my binding to choose in which
order he will access Rf_initEmbeddedR or the NULL sexp. Not to me.
Thanks for the confirmation. I found a workaround.
--
Guillaume Yziquel
http://yziquel.homelinux.org/
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