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