#include "signal.h"

static void signal_callback(struct ev_loop *loop, ev_async *w, s32 revents)
{
    (void)loop;
    struct nn_signal *signal = (struct nn_signal *)w->data;
    (void)revents;
    signal->callback(signal->userdata);
}

void nn_signal_init(struct nn_signal *signal, struct nn_event_loop *loop,
    void (*callback)(void *), void *userdata)
{
    signal->loop = loop;
    signal->callback = callback;
    signal->userdata = userdata;
    signal->signal.data = signal;
    ev_async_init_n(&signal->signal, signal_callback);
}

void nn_signal_start(struct nn_signal *signal)
{
    ev_async_start(signal->loop->ev, &signal->signal);
}

void nn_signal_send(struct nn_signal *signal)
{
    ev_async_send(signal->loop->ev, &signal->signal);
}

void nn_signal_stop(struct nn_signal *signal)
{
    ev_async_stop(signal->loop->ev, &signal->signal);
}