C++ (Cpp) is_not_internal_refの例

コード例 #1

ファイル: erl_bif_ddll.c プロジェクト: aronisstav/otp

/* 
 * A shadow of the "real" demonitor BIF
 */
BIF_RETTYPE erl_ddll_demonitor_1(BIF_ALIST_1)
{
   if (is_not_internal_ref(BIF_ARG_1)) {
       BIF_ERROR(BIF_P, BADARG);
   }
   if (BIF_P->flags & F_USING_DDLL) {
       erts_ddll_remove_monitor(BIF_P, BIF_ARG_1, ERTS_PROC_LOCK_MAIN);
   }
   BIF_RET(am_true);
}

コード例 #2

ファイル: erl_bif_port.c プロジェクト: crownedgrouse/otp

BIF_RETTYPE erts_internal_port_control_3(BIF_ALIST_3)
{
    Port* prt;
    Eterm retval;
    Uint uint_op;
    unsigned int op;
    erts_aint32_t state;

    prt = sig_lookup_port(BIF_P, BIF_ARG_1);
    if (!prt)
	BIF_RET(am_badarg);

    if (!term_to_Uint(BIF_ARG_2, &uint_op))
	BIF_RET(am_badarg);

    if (uint_op > (Uint) UINT_MAX)
	BIF_RET(am_badarg);

    op = (unsigned int) uint_op;

    switch (erts_port_control(BIF_P, prt, op, BIF_ARG_3, &retval)) {
    case ERTS_PORT_OP_CALLER_EXIT:
    case ERTS_PORT_OP_BADARG:
    case ERTS_PORT_OP_DROPPED:
	retval = am_badarg;
	break;
    case ERTS_PORT_OP_SCHEDULED:
	ASSERT(is_internal_ordinary_ref(retval));
	break;
    case ERTS_PORT_OP_DONE:
	ASSERT(is_not_internal_ref(retval));
	break;
    default:
	ERTS_INTERNAL_ERROR("Unexpected erts_port_control() result");
	retval = am_internal_error;
	break;
    }

    state = erts_smp_atomic32_read_acqb(&BIF_P->state);
    if (state & (ERTS_PSFLG_EXITING|ERTS_PSFLG_PENDING_EXIT)) {
#ifdef ERTS_SMP
	if (state & ERTS_PSFLG_PENDING_EXIT)
	    erts_handle_pending_exit(BIF_P, ERTS_PROC_LOCK_MAIN);
#endif
	ERTS_BIF_EXITED(BIF_P);
    }

    BIF_RET(retval);
}

コード例 #3

ファイル: erl_bif_port.c プロジェクト: HansN/otp

BIF_RETTYPE erts_internal_port_call_3(BIF_ALIST_3)
{
    Port* prt;
    Eterm retval;
    Uint uint_op;
    unsigned int op;
    erts_aint32_t state;

    prt = sig_lookup_port(BIF_P, BIF_ARG_1);
    if (!prt)
	BIF_RET(am_badarg);

    if (!term_to_Uint(BIF_ARG_2, &uint_op))
	BIF_RET(am_badarg);

    if (uint_op > (Uint) UINT_MAX)
	BIF_RET(am_badarg);

    op = (unsigned int) uint_op;

    switch (erts_port_call(BIF_P, prt, op, BIF_ARG_3, &retval)) {
    case ERTS_PORT_OP_DROPPED:
    case ERTS_PORT_OP_BADARG:
	retval = am_badarg;
	break;
    case ERTS_PORT_OP_SCHEDULED:
	ASSERT(is_internal_ordinary_ref(retval));
	break;
    case ERTS_PORT_OP_DONE:
	ASSERT(is_not_internal_ref(retval));
	break;
    default:
	ERTS_INTERNAL_ERROR("Unexpected erts_port_call() result");
	retval = am_internal_error;
	break;
    }

    state = erts_atomic32_read_acqb(&BIF_P->state);
    if (state & ERTS_PSFLG_EXITING)
	ERTS_BIF_EXITED(BIF_P);

    BIF_RET(retval);
}

コード例 #4

ファイル: erl_bif_port.c プロジェクト: crownedgrouse/otp

BIF_RETTYPE erts_internal_port_info_2(BIF_ALIST_2)
{
    Eterm retval;
    Port* prt;

    if (is_internal_port(BIF_ARG_1) || is_atom(BIF_ARG_1)) {
	prt = sig_lookup_port(BIF_P, BIF_ARG_1);
	if (!prt)
	    BIF_RET(am_undefined);
    }
    else if (is_external_port(BIF_ARG_1)) {
	if (external_port_dist_entry(BIF_ARG_1) == erts_this_dist_entry)
	    BIF_RET(am_undefined);
	else
	    BIF_RET(am_badarg);
    }
    else {
	BIF_RET(am_badarg);
    }

    switch (erts_port_info(BIF_P, prt, BIF_ARG_2, &retval)) {
    case ERTS_PORT_OP_CALLER_EXIT:
    case ERTS_PORT_OP_BADARG:
	BIF_RET(am_badarg);
    case ERTS_PORT_OP_DROPPED:
	BIF_RET(am_undefined);
    case ERTS_PORT_OP_SCHEDULED:
	ASSERT(is_internal_ordinary_ref(retval));
	BIF_RET(retval);
    case ERTS_PORT_OP_DONE:
	ASSERT(is_not_internal_ref(retval));
	BIF_RET(retval);
    default:
	ERTS_INTERNAL_ERROR("Unexpected erts_port_info() result");
	BIF_RET(am_internal_error);
    }
}