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/* ISC license. */
#ifndef S6_SUPERVISE_H
#define S6_SUPERVISE_H
#include <stdint.h>
#include <sys/types.h>
#include <skalibs/tai.h>
#define S6_SUPERVISE_CTLDIR "supervise"
#define S6_SUPERVISE_EVENTDIR "event"
#define S6_SVSCAN_CTLDIR ".s6-svscan"
#define S6_SVSTATUS_FILENAME S6_SUPERVISE_CTLDIR "/status"
#define S6_SVSTATUS_SIZE 35
#define S6_DTALLY_FILENAME S6_SUPERVISE_CTLDIR "/death_tally"
#define S6_MAX_DEATH_TALLY 4096
extern int s6_svc_ok (char const *) ;
extern int s6_svc_write (char const *, char const *, size_t) ;
extern int s6_svc_writectl (char const *, char const *, char const *, size_t) ;
extern int s6_svc_main (int, char const *const *, char const *, char const *, char const *) ;
typedef struct s6_svstatus_s s6_svstatus_t, *s6_svstatus_t_ref ;
struct s6_svstatus_s
{
tain stamp ;
tain readystamp ;
pid_t pid ;
int wstat ;
unsigned int flagpaused : 1 ;
unsigned int flagfinishing : 1 ;
unsigned int flagwantup : 1 ;
unsigned int flagready : 1 ;
} ;
#define S6_SVSTATUS_ZERO \
{ \
.stamp = TAIN_ZERO, \
.readystamp = TAIN_ZERO, \
.pid = 0, \
.wstat = 0, \
.flagpaused = 0, \
.flagfinishing = 0, \
.flagwantup = 1, \
.flagready = 1, \
}
extern void s6_svstatus_pack (char *, s6_svstatus_t const *) ;
extern void s6_svstatus_unpack (char const *, s6_svstatus_t *) ;
extern int s6_svstatus_read (char const *, s6_svstatus_t *) ;
extern int s6_svstatus_write (char const *, s6_svstatus_t const *) ;
extern int s6_supervise_link (char const *, char const *const *, size_t, char const *, uint32_t, tain const *, tain *) ;
#define s6_supervise_link_g(scdir, servicedirs, n, prefix, options, deadline) s6_supervise_link(scdir, servicedirs, n, prefix, options, (deadline), &STAMP)
extern int s6_supervise_link_names (char const *, char const *const *, char const *const *, size_t, uint32_t, tain const *, tain *) ;
#define s6_supervise_link_names_g(scdir, servicedirs, names, n, options, deadline) s6_supervise_link_names(scdir, servicedirs, names, n, options, (deadline), &STAMP)
extern void s6_supervise_unlink (char const *, char const *, uint32_t) ;
extern int s6_supervise_unlink_names (char const *, char const *const *, size_t, uint32_t, tain const *, tain *) ;
#define s6_supervise_unlink_names_g(scdir, names, n, options, deadline) s6_supervise_unlink_names(scdir, names, n, options, (deadline), &STAMP)
typedef struct s6_dtally_s s6_dtally_t, *s6_dtally_ref ;
struct s6_dtally_s
{
tain stamp ;
unsigned char exitcode ;
unsigned char sig ;
} ;
#define S6_DTALLY_ZERO { .stamp = TAIN_ZERO, .exitcode = 0, .sig = 0 }
#define S6_DTALLY_PACK (TAIN_PACK + 2)
extern void s6_dtally_pack (char *, s6_dtally_t const *) ;
extern void s6_dtally_unpack (char const *, s6_dtally_t *) ;
extern ssize_t s6_dtally_read (char const *, s6_dtally_t *, size_t) ;
extern int s6_dtally_write (char const *, s6_dtally_t const *, size_t) ;
extern void s6_instance_chdirservice (char const *s) ; /* chdirs to s/instance */
#endif
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