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/* 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 <assert.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"
#include "util.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;
/********** 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);
/********** config.c **********/
/* load persistent configuration from disk */
int config_load(void);
svc_run_data_t *config_rt_data_by_pid(pid_t pid);
/*
Get the next service that is waiting to be launched. Returns NULL if
the queue is empty.
*/
svc_run_data_t *config_dequeue(void);
/*
Transition to a different target, if possible in the current state.
The transition may be ignored, e.g. if we are currently in the reboot
or shutdown target.
*/
void config_set_target(int tgt);
/* get the current run time target from the configuration manager */
int config_get_current_target(void);
/*
Find out if the current target is completed, i.e. there are no more services
left in the queue and no active single shot services.
*/
bool config_is_current_target_complete(void);
/* Ask whether we should respawn services in the current target */
bool config_should_respawn(void);
/* notify the configuration manager that a single shot service started */
void config_singleshot_started(void);
/* notify the configuration manager that a single shot service terminated */
void config_singleshot_terminated(void);
/********** print_status.c **********/
void print_status(const svc_run_data_t *rt);
#endif /* INIT_H */
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