diff options
Diffstat (limited to 'erts/doc/src/erl_nif.xml')
| -rw-r--r-- | erts/doc/src/erl_nif.xml | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/erts/doc/src/erl_nif.xml b/erts/doc/src/erl_nif.xml index f88d255296..d74ae23a93 100644 --- a/erts/doc/src/erl_nif.xml +++ b/erts/doc/src/erl_nif.xml @@ -1495,6 +1495,9 @@ enif_free_iovec(iovec);]]></code> <c>term</c>.</p> <p>Returns <c>true</c> on success, or <c>false</c> if <c>term</c> is not a handle to a resource object of type <c>type</c>.</p> + <p><c>enif_get_resource</c> does not add a reference to the resource + object. However, the pointer received in <c>*objp</c> is guaranteed to + be valid at least as long as the resource handle <c>term</c> is valid.</p> </desc> </func> @@ -2947,6 +2950,10 @@ enif_map_iterator_destroy(env, &iter);</code> References made by <seealso marker="#enif_make_resource"> <c>enif_make_resource</c></seealso> can only be removed by the garbage collector.</p> + <p>There are no guarantees exactly when the destructor of an + unreferenced resource is called. It could be called directly by + <c>enif_release_resource</c> but it could also be scheduled to be + called at a later time possibly by another thread.</p> </desc> </func> |