NAME
BUF_LOCK —
locks a buffer
SYNOPSIS
#include
<sys/param.h>
#include <sys/systm.h>
#include <sys/uio.h>
#include <sys/bio.h>
#include <sys/buf.h>
int
BUF_LOCK(struct
buf *bp, int
locktype);
DESCRIPTION
TheBUF_LOCK()
function locks the given buffer. If the lock is already held this call will
block until it can acquire the lock unless LK_NOWAIT
is set.
Its arguments are:
- bp
- The buffer to lock.
- locktype
- Flags controlling the type of lock. See lockmgr(9) for details.
RETURN VALUES
A value of 0 is returned upon success. See lockmgr(9) for information on non-zero return values.
SEE ALSO
AUTHORS
This manual page was written by Chad David <davidc@acns.ab.ca>.