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