Sint
erts_queue_messages(Process* receiver, ErtsProcLocks *receiver_locks,
ErtsMessage* first, ErtsMessage** last, Uint len)
{
return queue_messages(NULL, receiver, NULL, receiver_locks,
first, last, len);
}
void
erts_queue_proc_messages(Process* sender,
Process* receiver, ErtsProcLocks receiver_locks,
ErtsMessage* first, ErtsMessage** last, Uint len)
{
queue_messages(receiver, receiver_locks,
prepend_pending_sig_maybe(sender, receiver, first),
last, len);
}
static Sint
queue_message(Process* receiver,
erts_aint32_t *receiver_state,
ErtsProcLocks receiver_locks,
ErtsMessage* mp, Eterm msg, Eterm from)
{
ERL_MESSAGE_TERM(mp) = msg;
return queue_messages(receiver, receiver_state, receiver_locks,
mp, &mp->next, 1, from);
}
/**
*
* @brief Send one message from *NOT* a local process.
*
* seq_trace does not work with this type of messages
* to it is set to am_undefined which means that the
* receiving process will not remove the seq_trace token
* when it gets this message.
*
*/
void
erts_queue_message(Process* receiver, ErtsProcLocks receiver_locks,
ErtsMessage* mp, Eterm msg, Eterm from)
{
ASSERT(is_not_internal_pid(from));
ERL_MESSAGE_TERM(mp) = msg;
ERL_MESSAGE_FROM(mp) = from;
ERL_MESSAGE_TOKEN(mp) = am_undefined;
queue_messages(receiver, receiver_locks, mp, &mp->next, 1);
}
/**
* @brief Send one message from a local process.
*
* It is up to the caller of this function to set the
* correct seq_trace. The general rule of thumb is that
* it should be set to am_undefined if the message
* cannot be traced using seq_trace, if it can be
* traced it should be set to the trace token. It should
* very rarely be explicitly set to NIL!
*/
void
erts_queue_proc_message(Process* sender,
Process* receiver, ErtsProcLocks receiver_locks,
ErtsMessage* mp, Eterm msg)
{
ERL_MESSAGE_TERM(mp) = msg;
ERL_MESSAGE_FROM(mp) = sender->common.id;
queue_messages(receiver, receiver_locks,
prepend_pending_sig_maybe(sender, receiver, mp),
&mp->next, 1);
}
