diff options
Diffstat (limited to 'erts/doc/src/erl_nif.xml')
| -rw-r--r-- | erts/doc/src/erl_nif.xml | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/erts/doc/src/erl_nif.xml b/erts/doc/src/erl_nif.xml index b7839cec33..7546f7ef81 100644 --- a/erts/doc/src/erl_nif.xml +++ b/erts/doc/src/erl_nif.xml @@ -566,8 +566,7 @@ typedef struct { <code type="none"> typedef void ErlNifResourceDtor(ErlNifEnv* env, void* obj); </code> - <p>The function prototype of a resource destructor function. - A destructor function is not allowed to call any term-making functions.</p> + <p>The function prototype of a resource destructor function.</p> </item> <tag><marker id="ErlNifCharEncoding"/>ErlNifCharEncoding</tag> <item> @@ -1632,7 +1631,7 @@ enif_map_iterator_destroy(env, &iter); <tag><c>msg_env</c></tag> <item>The environment of the message term. Must be a process independent environment allocated with - <seealso marker="#enif_alloc_env">enif_alloc_env</seealso>.</item> + <seealso marker="#enif_alloc_env">enif_alloc_env</seealso> or NULL.</item> <tag><c>msg</c></tag> <item>The message term to send.</item> </taglist> @@ -1641,6 +1640,8 @@ enif_map_iterator_destroy(env, &iter); <c>msg</c>) will be invalidated by a successful call to <c>enif_send</c>. The environment should either be freed with <seealso marker="#enif_free_env">enif_free_env</seealso> of cleared for reuse with <seealso marker="#enif_clear_env">enif_clear_env</seealso>.</p> + <p>If <c>msg_env</c> is set to NULL the <c>msg</c> term is copied and + the original term and its environemt is still valid after the call.</p> <p>This function is only thread-safe when the emulator with SMP support is used. It can only be used in a non-SMP emulator from a NIF-calling thread.</p> <note><p>Passing <c>msg_env</c> as <c>NULL</c> is only supported since |