/* SPDX-License-Identifier: ISC */
#ifndef INIT_H
#define INIT_H

#include <sys/types.h>
#include <sys/wait.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <endian.h>
#include <stdio.h>
#include <errno.h>
#include <poll.h>

#include <linux/reboot.h>
#include <sys/reboot.h>
#include <sys/prctl.h>
#include <stdbool.h>
#include <signal.h>

#include "service.h"
#include "config.h"

#define ENVFILE ETCPATH "/initd.env"
#define PROCFDDIR "/proc/self/fd"

/* service run time data */

enum {
	STATE_OFF,
	STATE_RUNNING,
	STATE_QUEUED,
	STATE_COMPLETED,
	STATE_FAILED,
};

typedef struct {
	service_t *svc;		/* the underlying service description */
	int state;		/* what STATE_* the service is currently in */
	int rspwn_count;	/* services respawn counter */
	int status;		/* if exited, process exit status */
	pid_t pid;		/* if still running, the pid */
} svc_run_data_t;

/********** main.c **********/

void target_completed(int target);

/********** runsvc.c **********/

/*
	Invoke the runsvc command to execute the comands of a service.

	Returns the pid of the child process containing the runsvc instance.
*/
pid_t runsvc(service_t *svc);

/********** supervisor.c **********/

void supervisor_handle_exited(pid_t pid, int status);

void supervisor_set_target(int next);

void supervisor_init(void);

bool supervisor_process_queues(void);

#endif /* INIT_H */