/*
 * Created by yuuta on 7/24/22.
 */

#include "handler.h"
#include "log.h"

static uv_signal_t sigint;
static uv_signal_t sigterm;

static void on_sigint(uv_signal_t *handle, int signum) {
    LOGDV("on_int(handle = %p): %d",
          handle,
          signum);
    void (*on_int)(void) = handle->data;
    on_int();
}

static void on_term(uv_signal_t *handle, int signum) {
    LOGDV("on_term(handle = %p): %d",
          handle,
          signum);
    void (*on_quit)(void) = handle->data;
    uv_signal_stop(&sigint);
    uv_signal_stop(&sigterm);
    on_quit();
}

int h_signal(void (*on_int)(void),
             void (*on_quit)(void)) {
    int r;
    if ((r = uv_signal_init(loop, &sigint))) return r;
    sigint.data = on_int;
    if ((r = uv_signal_start(&sigint, on_sigint, SIGINT))) return r;

    if ((r = uv_signal_init(loop, &sigterm))) return r;
    sigterm.data = on_quit;
    if ((r = uv_signal_start(&sigterm, on_term, SIGTERM))) return r;
    return 0;
}