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Manual Pages  — BUF_TIMELOCK

NAME

BUF_TIMELOCK – 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_TIMELOCK(struct buf *bp, int locktype, char *wmesg, int catch, int timo);

DESCRIPTION

The BUF_TIMELOCK() function locks the given buffer, and limits the amount of time it will sleep to timo and OR's catch into the sleep's priority. wmesg is the wmesg used in the sleep.

Its arguments are:
bp
  The buffer to lock.
locktype
  Flags controlling the type of lock. See lockmgr(9) for details.
wmesg
  The wmesg used in any sleeps while acquiring the lock.
catch
  Priority OR'd into the sleep's priority.
timo
  The timeout for any sleeps encountered during the lock.

RETURN VALUES

A value of 0 is returned on success. See lockmgr(9) for details on non-zero return values.

SEE ALSO

buf(9), BUF_LOCK(9), BUF_UNLOCK(9), lockmgr(9)

AUTHORS

This manual page was written by Chad David <Mt davidc@acns.ab.ca>.

BUF_TIMELOCK (9) July 9, 2001

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