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Manual Pages  — BUF_LOCK

NAME

BUF_LOCK – locks a buffer

CONTENTS

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

The BUF_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

buf(9), BUF_TIMELOCK(9), BUF_UNLOCK(9), lockmgr(9)

AUTHORS

This manual page was written by Chad David <Mt davidc@acns.ab.ca>.
BUF_LOCK (9) July 9, 2001
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