diff options
Diffstat (limited to 'sys/vm/vm_map.h')
| -rw-r--r-- | sys/vm/vm_map.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/vm/vm_map.h b/sys/vm/vm_map.h index f7fc5f5..fecbffe 100644 --- a/sys/vm/vm_map.h +++ b/sys/vm/vm_map.h @@ -187,12 +187,14 @@ struct vm_map { pmap_t pmap; /* (c) Physical map */ #define min_offset header.start /* (c) */ #define max_offset header.end /* (c) */ + int busy; }; /* * vm_flags_t values */ #define MAP_WIREFUTURE 0x01 /* wire all future pages */ +#define MAP_BUSY_WAKEUP 0x02 #ifdef _KERNEL static __inline vm_offset_t @@ -275,6 +277,9 @@ int _vm_map_lock_upgrade(vm_map_t map, const char *file, int line); void _vm_map_lock_downgrade(vm_map_t map, const char *file, int line); int vm_map_locked(vm_map_t map); void vm_map_wakeup(vm_map_t map); +void vm_map_busy(vm_map_t map); +void vm_map_unbusy(vm_map_t map); +void vm_map_wait_busy(vm_map_t map); #define vm_map_lock(map) _vm_map_lock(map, LOCK_FILE, LOCK_LINE) #define vm_map_unlock(map) _vm_map_unlock(map, LOCK_FILE, LOCK_LINE) |
