#include <bits/types.h>

#define NAMELEN 19

#define NPROCS 40

#define NCONNS 10

#define NPREQS 10

#define STABLE_TRESHOLD 5

#define TIME_TO_RESTART 1

#define TIME_TO_SIGKILL 2

#define TIME_TO_SKIP 5

#define PAGE 4096

#define RINGSIZE 1024

#define P_DISABLED (1<<0)

#define P_SIGSTOP (1<<1)

#define P_SIGTERM (1<<2)

#define P_SIGKILL (1<<3)

#define P_RESTART (1<<4)

#define P_FAILED (1<<5)

#define P_STALE (1<<6)

#define P_STUCK (1<<7)

#define F_WAIT_PIDS (1<<0)

#define F_SETUP_CTRL (1<<1)

#define F_RELOAD_PROCS (1<<2)

#define F_CHECK_PROCS (1<<3)

#define F_TRIM_RING (1<<4)

#define F_UPDATE_PFDS (1<<5)

#define F_EXIT_LOOP (1<<6)

struct proc {

int pid;

uint8_t flags;

char name[NAMELEN];

time_t lastrun;

time_t lastsig;

int status;

int pipefd;

/* ring buffer */

short idx;

short ptr;

};

struct conn {

int fd;

int pid;

};

struct ucmsg;

extern void* origbrk;

extern const char* rbscript;

extern int ctrlfd;

extern char* confdir;

extern char** environ;

extern time_t passtime;

extern char* reboot;

extern struct proc procs[];

extern struct conn conns[];

extern int nprocs;

extern int nconns;

struct proc* firstrec(void);

struct proc* nextrec(struct proc* rc);

struct proc* find_by_name(char* name);

struct proc* find_by_pid(int pid);

struct proc* grab_proc_slot(void);

void free_proc_slot(struct proc* rc);

struct conn* grab_conn_slot(void);

void free_conn_slot(struct conn* cn);

void set_passtime(void);

int runtime(struct proc* rc);

void check_procs(void);

void update_poll_fds(void);

void wait_poll(void);

void wait_pids(void);

int setup_signals(void);

void setup_ctrl(void);

void accept_ctrl(int sfd);

void wakeupin(int ttw);

void request(int flag);

void handle_conn(struct conn* cn);

int stop_into(const char* script);

void notify_dead(int pid);

char* ring_buf_for(struct proc* rc);

int read_into_ring_buf(struct proc* rc, int fd);

void trim_ring_area(void);

void flush_ring_buf(struct proc* rc);

int reload_procs(void);

void report(char* msg, char* arg, int err);

void reprec(struct proc* rc, char* msg);

void setup_heap(void);

void* heap_alloc(int len);

void trim_heap(void* ptr);

void flush_heap(void);

void stop_all_procs(void);