vn_revoke Entry Point

AIX Version 4.3 Kernel and Subsystems Technical Reference, Volume 1

Revokes all access to an object.

int vn_revoke (vp, cmd, flag, vinfop, crp)
struct vnode *vp;
int cmd;
int flag;
caddr_t vinfop;
struct ucred *crp;

Points to the virtual node (v-node) containing the object.

cmd

Indicates whether the calling process holds the file open. This parameter takes the following values:

0	The process did not have the file open.
1	The process had the file open.
2	The process had the file open and the reference count in the file structure was greater than 1.

flag

Identifies the flags from the file structure.

vinfop

This parameter is currently unused.

crp

Points to the cred structure. This structure contains data that the file system can use to validate access permission.

The vn_revoke entry point is called to revoke further access to an object.

The vn_revoke entry point can be called from the process environment only.

0	Indicates success.

Nonzero return values are returned from the /usr/include/sys/errno.h file to indicate failure.

The frevoke subroutine, revoke subroutine.