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     unsigned char flag;
  18 } state_t;
  19
  20 #define STATE_REACHABLE (1 << 0)
  21 #define STATE_IS_REACHABLE(pstate) (pstate->flag & STATE_REACHABLE)
  22 #define STATE_MARK_AS_REACHABLE(pstate) pstate->flag |= STATE_REACHABLE;
  23
  24 typedef enum {
  25     ST_OK,
  26     ST_EXISTS,
  27     ST_NOMEM,
  28     ST_NOTFOUND
  29 } stret_t;
  30
  31 typedef struct pqnode {
  32     void *data;
  33     unsigned int evtkey;
  34     unsigned int prio;
  35     STAILQ_ENTRY(pqnode) pq_next;
  36 } pqnode_t;
  37
  38 typedef struct fsm {
  39     htable_t *sttable;       /* hash table for states */
  40     state_t *cstate;         /* current state of fsm  */
  41     unsigned int nqueues;    /* number of priority queues */
  42     void *mobj;              /* mutual exclusion object */
  43     void (*fsm_pq_lock)(const struct fsm *);
  44     void (*fsm_pq_unlock)(const struct fsm *);
  45     STAILQ_HEAD(pqhead, pqnode) *pqtable;
  46 } fsm_t;
  47
  48 typedef struct pqhead pqhead_t;
  49
  50 typedef enum {
  51     FSM_CLEAN,
  52     FSM_DIRTY,
  53     FSM_EMPTY,
  54     FSM_EPRIO,
  55     FSM_EEXISTS,
  56     FSM_ENOMEM,
  57     FSM_ENOTFOUND,
  58     FSM_OK
  59 } fsmret_t;
  60
  61 #endif    /* TYPES_H */