buf_timelock(9)

NAME

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

DESCRIPTION

The BUF_TIMELOCK() function locks the given buffer, and lim

its 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 lock

mgr(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 de

tails on nonzero return values.

SEE ALSO

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

AUTHORS

This manual page was written by Chad David <davidc@ac

ns.ab.ca>.

BSD July 9, 2001

BSD