[erlang-questions] NIF ErlNifEnv thread safety?
Thu Apr 23 18:20:10 CEST 2015
On 04/23/2015 05:54 PM, Daniel Goertzen wrote:
> Can multiple threads safely use the same process-independent
> ErlNifEnv? The documentation isn't clear to me. From
> http://www.erlang.org/doc/man/erl_nif.html ...
> "Threads and concurrency
> A NIF is thread-safe without any explicit synchronization as long as
> it acts as a pure function and only reads the supplied arguments. As
> soon as you write towards a shared state either through static
> variables or enif_priv_data you need to supply your own explicit
> synchronization. This includes terms in process independent
> environments that are shared between threads. Resource objects will
> also require synchronization if you treat them as mutable."
Would it be clearer if "terms in" was removed from the third sentence:
"This includes process independent environments that are shared between
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