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BUF_TIMELOCK(9)	       FreeBSD Kernel Developer's Manual       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 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 de-
	       tails.

     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	<davidc@acns.ab.ca>.

FreeBSD	13.0			 July 9, 2001			  FreeBSD 13.0

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO | AUTHORS

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