/* 
 * cinit
 * (c) 2005 Nico Schottelius (nico-linux at schottelius.org)
 * header of cinit
 */

/* includes */
#include <sys/types.h>  /* pid_t */

/* limits */
#define MAX_SVC   1024 /* maximum services */
#define MAX_DEPS    32 /* maximum direct dependencies of a service */

/* paths */
#define CINIT_DIR "/etc/cinit"

#define F_IN      "in"
#define F_OUT     "out"
#define SLASH     "/"

#define C_INIT    "init"
#define C_SHD     "shutdown"
#define C_REBOOT  "reboot"

#define C_NEEDS   "./needs"
#define C_WANTS   "./wants"
#define C_RUN     "./run"
#define C_RESPAWN "respawn"
#define C_PARAMS  "params"

/* return values */
#define RT_FAIL      0
#define RT_OK        1

#define RT_CHLD_FAIL 1  /* child failed */
#define RT_CHLD_OK   2  /* child succeded */
#define RT_PAR_FAIL  3  /* parent failed */
#define RT_PAR_OK    4  /* parent succeded */

/* status of a service-starter (run_run_svc) */
#define RT_ONE_FAILED   5     /* one ore more failed */
#define RT_ALL_STARTED  6     /*  everything ok */
#define RT_DEPS_MAX     7     /*  too many dependencies */

/* status of a service */
#define ST_NO        0        /* process not existing */
#define ST_TMP       1        /* currently working on it */
#define ST_ONCE      2        /* executed once */
#define ST_RESPAWN   3        /* running and respawning */
#define ST_FAIL      4        /* failed to start service */



/* variables */

/* array of svc */
/* linked list of services */
/* balanced trees */

struct svc {
   char *abs_path;   /* service identifier */
   int status;       /* tmp, respawn, ran once */
   pid_t pid;        /* pid of the process */
};

struct svcl {
   struct svc svca[MAX_SVC];
   int process;
};

extern struct svcl svc_list;

/* functions */

void cerr(char *string, int status);
int chk_svc(char *svc);
int run_svc(char *rpath);
int add_mod_svc(char *svc, int status);
int run_run_svcs(char *rpath);