misc/fsm/types.h

   1 #ifndef TYPES_H
   2 #define TYPES_H
   3
   4 #include "../../genstructs/htable/htable.h"
   5
   6 #define MAX_EVT_DESC 64
   7
   8 typedef struct event {
   9     char evt_desc[MAX_EVT_DESC];
  10     void (*evt_actionf)(void *data);
  11     struct state *evt_newstate;
  12 } event_t;
  13
  14 typedef struct state {
  15     htable_t *evttable;
  16     unsigned int *st_key;
  17 } state_t;
  18
  19 typedef enum {
  20     ST_OK,
  21     ST_EXISTS,
  22     ST_NOMEM,
  23     ST_NOTFOUND
  24 } stret_t;
  25
  26 typedef struct pqnode {
  27     void *data;
  28     unsigned int evtkey;
  29     unsigned int prio;
  30     STAILQ_ENTRY(pqnode) pq_next;
  31 } pqnode_t;
  32
  33 typedef struct fsm {
  34     htable_t *sttable;       /* hash table for states */
  35     state_t *cstate;         /* current state of fsm  */
  36     unsigned int nqueues;    /* number of priority queues */
  37     void *mobj;              /* mutual exclusion object */
  38     void (*fsm_pq_lock)(const struct fsm *);
  39     void (*fsm_pq_unlock)(const struct fsm *);
  40     STAILQ_HEAD(pqhead, pqnode) *pqtable;
  41 } fsm_t;
  42
  43 typedef struct pqhead pqhead_t;
  44
  45 typedef enum {
  46     FSM_CLEAN,
  47     FSM_DIRTY,
  48     FSM_EMPTY,
  49     FSM_EPRIO,
  50     FSM_EEXISTS,
  51     FSM_ENOMEM,
  52     FSM_ENOTFOUND,
  53     FSM_OK
  54 } fsmret_t;
  55
  56 #endif    /* TYPES_H */