Интерактивная система просмотра системных руководств (man-ов)
VOP_READLINK (9)
>> VOP_READLINK (9) ( FreeBSD man: Ядро )
BSD mandoc
NAME
VOP_READLINK
- read the target of a symbolic link
SYNOPSIS
#include <sys/param.h>
#include <sys/vnode.h>
#include <sys/uio.h>
int
VOP_READLINK (struct vnode *vp struct uio *uio struct ucred *cred);
DESCRIPTION
This reads the target pathname of a symbolic link
- Fa vp
-
The vnode of the symlink.
- Fa uio
-
The location of the data to be read or written.
- Fa cred
-
The credentials of the caller.
LOCKS
The vnode should be locked on entry and will still be locked on exit.
RETURN VALUES
Zero is returned on success, otherwise an error code is returned.
PSEUDOCODE
int
vop_readlink(struct vnode *vp, struct uio *uio, struct ucred *cred)
{
int error = 0;
/*
* Read the target of the symlink.
*/
...;
return error;
}
ERRORS
- Bq Er EIO
-
A read error occurred while reading the contents of the symlink.
SEE ALSO
uiomove(9),
vnode(9)
AUTHORS
This manual page was written by
An Doug Rabson .
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- LOCKS
-
- RETURN VALUES
-
- PSEUDOCODE
-
- ERRORS
-
- SEE ALSO
-
- AUTHORS
-
