Thanks, Gabriel and Luke. That is exactly what I would like to know. I
appreciate your suggestions.
Best,
Jiefei
On Mon, Sep 14, 2020 at 6:08 AM Gabriel Becker
wrote:
> Jiefei,
>
> Beyond the general response that Luke gave, to be a bit more specific to
> what you said, DATAPTR and
Jiefei,
Beyond the general response that Luke gave, to be a bit more specific to
what you said, DATAPTR and INTEGER_GET_REGION involve ALTREP method
execution (for ALTREP objects, obviously) so even they are not as simple
and straightforward as they were a couple years ago. They should not (any
You should assume that NO functions or macros in the R API are
thread-safe. If some happen to be now, on some platforms, they are
not guaranteed to be in the future. Even if you use a global lock you
need to keep in mind that any function in the R API can signal an
error and execute a longjmp,
