diff options
Diffstat (limited to 'sys/sys/lock.h')
| -rw-r--r-- | sys/sys/lock.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/sys/sys/lock.h b/sys/sys/lock.h index 8d7a068500db..dbe715a31540 100644 --- a/sys/sys/lock.h +++ b/sys/sys/lock.h @@ -201,9 +201,33 @@ extern struct lock_class lock_class_lockmgr; extern struct lock_class *lock_classes[]; +struct lock_delay_config { + u_int initial; + u_int step; + u_int min; + u_int max; +}; + +struct lock_delay_arg { + struct lock_delay_config *config; + u_int delay; + u_int spin_cnt; +}; + +static inline void +lock_delay_arg_init(struct lock_delay_arg *la, struct lock_delay_config *lc) { + la->config = lc; + la->delay = 0; + la->spin_cnt = 0; +} + +#define LOCK_DELAY_SYSINIT(func) \ + SYSINIT(func##_ld, SI_SUB_LOCK, SI_ORDER_ANY, func, NULL) + void lock_init(struct lock_object *, struct lock_class *, const char *, const char *, int); void lock_destroy(struct lock_object *); +void lock_delay(struct lock_delay_arg *); void spinlock_enter(void); void spinlock_exit(void); void witness_init(struct lock_object *, const char *); |