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/* ISC license. */
#ifndef S6RCD_STATE_H
#define S6RCD_STATE_H
#include <skalibs/genalloc.h>
#include <s6-rc/db.h>
/* Service states, instances, machine state */
typedef struct stateatom_s stateatom_t, *stateatom_t_ref ;
struct stateatom_s
{
uint8_t wanted : 1 ;
uint8_t current : 1 ;
uint8_t transitioning : 1 ;
} ;
typedef struct instance_s instance_t, *instance_t_ref ;
struct instance_s
{
char const *param ;
stateatom_t state ;
} ;
typedef struct state_s state_t, *state_t_ref ;
struct state_s
{
stateatom_t *sta[S6RC_STYPE_PHAIL] ;
genalloc *dyn[S6RC_STYPE_PHAIL] ; /* every genalloc is a list of instance_t */
} ;
extern void state_free (state_t *, uint32_t const *) ;
extern int state_ready (state_t *, uint32_t const *) ;
extern int state_write (char const *, state_t const *, uint32_t const *) ;
extern int state_read (char const *, state_t *, uint32_t const *) ;
extern stateatom_t *state_atom (s6rc_db_t const *, state_t const *, s6rc_sid_t const *) ;
#endif
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