C++ (Cpp) erts_whereis_name_to_id示例

示例#1

文件： erl_bif_port.c 项目： crownedgrouse/otp

static ERTS_INLINE Port *
lookup_port(Process *c_p, Eterm id_or_name, Uint32 invalid_flags)
{
    /* TODO: Implement nicer lookup in register... */
    Eterm id;
    if (is_atom(id_or_name))
	id = erts_whereis_name_to_id(c_p, id_or_name);
    else
	id = id_or_name;
    return erts_port_lookup(id, invalid_flags);
}

示例#2

文件： sys.c 项目： weisslj/otp

static void signal_notify_requested(Eterm type) {
    Process* p = NULL;
    Eterm msg, *hp;
    ErtsProcLocks locks = 0;
    ErlOffHeap *ohp;

    Eterm id = erts_whereis_name_to_id(NULL, am_erl_signal_server);

    if ((p = (erts_pid2proc_opt(NULL, 0, id, 0, ERTS_P2P_FLG_INC_REFC))) != NULL) {
        ErtsMessage *msgp = erts_alloc_message_heap(p, &locks, 3, &hp, &ohp);

        /* erl_signal_server ! {notify, sighup} */
        msg = TUPLE2(hp, am_notify, type);
        erts_queue_message(p, locks, msgp, msg, am_system);

        if (locks)
            erts_smp_proc_unlock(p, locks);
        erts_proc_dec_refc(p);
    }
}