C++ (Cpp) RNG_BACKEND_GET_CLASS示例

示例#1

文件： rng.c 项目： JMR-b/qemu

static void rng_backend_prop_set_opened(Object *obj, bool value, Error **errp)
{
    RngBackend *s = RNG_BACKEND(obj);
    RngBackendClass *k = RNG_BACKEND_GET_CLASS(s);
    Error *local_err = NULL;

    if (value == s->opened) {
        return;
    }

    if (!value && s->opened) {
        error_setg(errp, QERR_PERMISSION_DENIED);
        return;
    }

    if (k->opened) {
        k->opened(s, &local_err);
        if (local_err) {
            error_propagate(errp, local_err);
            return;
        }
    }

    s->opened = true;
}

示例#2

文件： rng.c 项目： 01org/KVMGT-qemu

void rng_backend_cancel_requests(RngBackend *s)
{
    RngBackendClass *k = RNG_BACKEND_GET_CLASS(s);

    if (k->cancel_requests) {
        k->cancel_requests(s);
    }
}

示例#3

文件： rng.c 项目： 01org/KVMGT-qemu

void rng_backend_request_entropy(RngBackend *s, size_t size,
                                 EntropyReceiveFunc *receive_entropy,
                                 void *opaque)
{
    RngBackendClass *k = RNG_BACKEND_GET_CLASS(s);

    if (k->request_entropy) {
        k->request_entropy(s, size, receive_entropy, opaque);
    }
}

示例#4

文件： rng.c 项目： 01org/KVMGT-qemu

static void rng_backend_prop_set_opened(Object *obj, bool value, Error **errp)
{
    RngBackend *s = RNG_BACKEND(obj);
    RngBackendClass *k = RNG_BACKEND_GET_CLASS(s);

    if (value == s->opened) {
        return;
    }

    if (!value && s->opened) {
        error_set(errp, QERR_PERMISSION_DENIED);
        return;
    }

    if (k->opened) {
        k->opened(s, errp);
    }

    if (!error_is_set(errp)) {
        s->opened = value;
    }
}