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| author | hmp <hmp@FreeBSD.org> | 2004-05-10 23:17:09 +0000 |
|---|---|---|
| committer | hmp <hmp@FreeBSD.org> | 2004-05-10 23:17:09 +0000 |
| commit | dd055540b921006f06cefe6d7320b0efb80d2180 (patch) | |
| tree | 486680826c8c8464a873f5230fc8992fb2139390 /share/man/man9/VOP_OPENCLOSE.9 | |
| parent | 8169074470d5187cbb51f49363327e4ab4025faf (diff) | |
| download | FreeBSD-src-dd055540b921006f06cefe6d7320b0efb80d2180.zip FreeBSD-src-dd055540b921006f06cefe6d7320b0efb80d2180.tar.gz | |
Document the 'fdidx' argument of VOP_OPEN(9).
PR: 56911
Noticed by: Jun Su <junsu@m-net.arbornet.org>
Diffstat (limited to 'share/man/man9/VOP_OPENCLOSE.9')
| -rw-r--r-- | share/man/man9/VOP_OPENCLOSE.9 | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/share/man/man9/VOP_OPENCLOSE.9 b/share/man/man9/VOP_OPENCLOSE.9 index 4a6ae2c..fc02c77 100644 --- a/share/man/man9/VOP_OPENCLOSE.9 +++ b/share/man/man9/VOP_OPENCLOSE.9 @@ -39,7 +39,7 @@ .In sys/param.h .In sys/vnode.h .Ft int -.Fn VOP_OPEN "struct vnode *vp" "int mode" "struct ucred *cred" "struct thread *td" +.Fn VOP_OPEN "struct vnode *vp" "int mode" "struct ucred *cred" "struct thread *td" "int fdidx" .Ft int .Fn VOP_CLOSE "struct vnode *vp" "int mode" "struct ucred *cred" "struct thread *td" .Sh DESCRIPTION @@ -59,6 +59,13 @@ the access mode required by the calling process the thread which is accessing the file .El .Pp +Additionally, +.Fn VOP_OPEN +can accept a file descriptor number in +.Fa fdidx ; +this is useful for file systems which require such information, e.g. +.Xr fdesc 5 . +.Pp The access mode is a set of flags, including .Dv FREAD , .Dv FWRITE , @@ -78,6 +85,14 @@ Note that .Fa vn_close expects an unlocked, referenced vnode and will dereference the vnode prior to returning. +.Sh IMPLEMENTATION NOTES +The +.Fa fdidx +argument to +.Fn VOP_OPEN +is currently unused, use +.Ql \-1 +for the meantime; however, this will change in future. .Sh RETURN VALUES Zero is returned on success, otherwise an error code is returned. .Sh PSEUDOCODE |
