/*

 * Copyright (C) Igor Sysoev

 * Copyright (C) NGINX, Inc.

 */

#include <nxt_main.h>

#include <nxt_runtime.h>

#include <nxt_port.h>

#include <nxt_main_process.h>

#include <nxt_router.h>

static void nxt_signal_handler(nxt_task_t *task, void *obj, void *data);

static void nxt_signal_sigterm_handler(nxt_task_t *task, void *obj, void *data);

static void nxt_signal_sigquit_handler(nxt_task_t *task, void *obj, void *data);

const nxt_sig_event_t  nxt_process_signals[] = {

    nxt_event_signal(SIGHUP,  nxt_signal_handler),

    nxt_event_signal(SIGINT,  nxt_signal_sigterm_handler),

    nxt_event_signal(SIGQUIT, nxt_signal_sigquit_handler),

    nxt_event_signal(SIGTERM, nxt_signal_sigterm_handler),

    nxt_event_signal(SIGCHLD, nxt_signal_handler),

    nxt_event_signal(SIGUSR1, nxt_signal_handler),

    nxt_event_signal(SIGUSR2, nxt_signal_handler),

    nxt_event_signal_end,

};

static void

nxt_signal_handler(nxt_task_t *task, void *obj, void *data)

{

    nxt_trace(task, "signal signo:%d (%s) received, ignored",

              (int) (uintptr_t) obj, data);

}

void

nxt_signal_quit_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)

{

    nxt_process_quit(task, 0);

}

static void

nxt_signal_sigterm_handler(nxt_task_t *task, void *obj, void *data)

{

    nxt_debug(task, "sigterm handler signo:%d (%s)",

              (int) (uintptr_t) obj, data);

    /* A fast exit. */

    nxt_runtime_quit(task, 0);

}

static void

nxt_signal_sigquit_handler(nxt_task_t *task, void *obj, void *data)

{

    nxt_debug(task, "sigquit handler signo:%d (%s)",

              (int) (uintptr_t) obj, data);

    /* A graceful exit. */

    nxt_process_quit(task, 0);

}