Manual Pages  — VOP_ADVLOCK

VOP_ADVLOCK – advisory record locking

SYNOPSIS DESCRIPTION RETURN VALUES SEE ALSO AUTHORS

#include <sys/param.h>

#include <sys/vnode.h>

#include <sys/fcntl.h>

#include <sys/lockf.h>

int
VOP_ADVLOCK(struct vnode *vp, caddr_t id, int op, struct flock *fl, int flags);

The arguments are:

vp
	The vnode being manipulated.
id
	The id token which is changing the lock.
op
	The operation to perform (see fcntl(2)).
fl
	Description of the lock.
flags
	One or more of the following:

F_WAIT	Wait until lock is granted.
F_FLOCK	Use flock(2) semantics for lock.
F_POSIX	Use POSIX semantics for lock.
F_REMOTE
	Lock owner is remote NFS client.
F_NOINTR
	Mask signals while waiting for the lock.

This entry point manipulates advisory record locks on the file. Most file systems delegate the work for this call to lf_advlock().

Zero is returned on success, otherwise an error is returned.

This manual page was written by Doug Rabson.