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| author | dillon <dillon@FreeBSD.org> | 1999-09-24 10:42:45 +0000 |
|---|---|---|
| committer | dillon <dillon@FreeBSD.org> | 1999-09-24 10:42:45 +0000 |
| commit | 8dad7db42856331f0ea4d7f17eca03f0782d454e (patch) | |
| tree | 4de89544dcd56ff623340132a13bb77e5cb1ea38 /share/man/man9/VOP_OPENCLOSE.9 | |
| parent | 386338d04f80eaaa48efaff4c4eb26ee72ab2472 (diff) | |
| download | FreeBSD-src-8dad7db42856331f0ea4d7f17eca03f0782d454e.zip FreeBSD-src-8dad7db42856331f0ea4d7f17eca03f0782d454e.tar.gz | |
More clarification of locking requirements.
Diffstat (limited to 'share/man/man9/VOP_OPENCLOSE.9')
| -rw-r--r-- | share/man/man9/VOP_OPENCLOSE.9 | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/share/man/man9/VOP_OPENCLOSE.9 b/share/man/man9/VOP_OPENCLOSE.9 index 8c0a0f6..00d308c 100644 --- a/share/man/man9/VOP_OPENCLOSE.9 +++ b/share/man/man9/VOP_OPENCLOSE.9 @@ -65,12 +65,18 @@ The access mode is a set of flags, including .Dv O_NONBLOCK , .Dv O_APPEND . .Sh LOCKS -The vnode -.Fa vp -should be locked on entry and will still be locked on exit for .Xr VOP_OPEN 9 -and unlocked on entry and exit for -.Xr VOP_CLOSE 9 . +expects +.Fa vp +to be locked on entry and will leave it locked on return. +.Pp +.Xr VOP_CLOSE 9 +expects at least a reference to be associated with the vnode and does not +care whether the vnode is locked or not. The lock and reference state is +left unchanged on return. Note that +.Fa vn_close +expects an unlocked, referenced vnode and will dereference the vnode prior +to returning. .Sh RETURN VALUES Zero is returned on success, otherwise an error code is returned. .Sh PSEUDOCODE |
