table of contents
VOP_ADVLOCK(9) | Kernel Developer's Manual | VOP_ADVLOCK(9) |
NAME¶
VOP_ADVLOCK — advisory record lockingSYNOPSIS¶
#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);
DESCRIPTION¶
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 of more of the following:
F_RDLCK
- Shared or read lock.
F_UNLCK
- Unlock.
F_WRLCK
- Exclusive or write lock.
F_WAIT
- Wait until lock is granted.
F_FLOCK
- Use flock(2) semantics for lock.
F_POSIX
- Use POSIX semantics for lock.
RETURN VALUES¶
Zero is returned on success, otherwise an error is returned.SEE ALSO¶
fcntl(2), flock(2), vnode(9)AUTHORS¶
This manual page was written by Doug Rabson.June 30, 1999 | Debian |