diff options
| author | kib <kib@FreeBSD.org> | 2014-08-13 06:55:30 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2014-08-13 06:55:30 +0000 |
| commit | 82ab11ec352c03d0c450e593eb6380decb5f5664 (patch) | |
| tree | 6f304d01ba6131822c3e7a7b50bc9031927b7f29 /sys/vm | |
| parent | 4313c083afe371a20c4654a8d775634bbfeee425 (diff) | |
| download | FreeBSD-src-82ab11ec352c03d0c450e593eb6380decb5f5664.zip FreeBSD-src-82ab11ec352c03d0c450e593eb6380decb5f5664.tar.gz | |
MFC r269642:
Add wrappers to assert that vm object is unlocked and for try upgrade.
Diffstat (limited to 'sys/vm')
| -rw-r--r-- | sys/vm/vm_object.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/vm/vm_object.h b/sys/vm/vm_object.h index 8381992..4b21e55 100644 --- a/sys/vm/vm_object.h +++ b/sys/vm/vm_object.h @@ -225,6 +225,8 @@ extern struct vm_object kmem_object_store; rw_assert(&(object)->lock, RA_RLOCKED) #define VM_OBJECT_ASSERT_WLOCKED(object) \ rw_assert(&(object)->lock, RA_WLOCKED) +#define VM_OBJECT_ASSERT_UNLOCKED(object) \ + rw_assert(&(object)->lock, RA_UNLOCKED) #define VM_OBJECT_LOCK_DOWNGRADE(object) \ rw_downgrade(&(object)->lock) #define VM_OBJECT_RLOCK(object) \ @@ -237,6 +239,8 @@ extern struct vm_object kmem_object_store; rw_try_rlock(&(object)->lock) #define VM_OBJECT_TRYWLOCK(object) \ rw_try_wlock(&(object)->lock) +#define VM_OBJECT_TRYUPGRADE(object) \ + rw_try_upgrade(&(object)->lock) #define VM_OBJECT_WLOCK(object) \ rw_wlock(&(object)->lock) #define VM_OBJECT_WUNLOCK(object) \ |
