Manual Pages  — BUF_TIMELOCK

BUF_TIMELOCK – locks a buffer

SYNOPSIS DESCRIPTION RETURN VALUES SEE ALSO AUTHORS

#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);

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.

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