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| author | kib <kib@FreeBSD.org> | 2014-08-06 19:30:35 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2014-08-06 19:30:35 +0000 |
| commit | a39918dab4c1ed3e65ec2b9ee9308745cefdbddc (patch) | |
| tree | 886622891ccf4b382a2c2a861e5f36061d5206c7 /sys/vm | |
| parent | 66e227922e63a562491961db8036e9f5f4005b4f (diff) | |
| download | FreeBSD-src-a39918dab4c1ed3e65ec2b9ee9308745cefdbddc.zip FreeBSD-src-a39918dab4c1ed3e65ec2b9ee9308745cefdbddc.tar.gz | |
Add wrappers to assert that vm object is unlocked and for try upgrade.
Reviewed by: alc
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
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 1f6c7c2..48ba743 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) \ |
