NAME
BUF_ISLOCKED — returns the state of the lock linked to the bufferSYNOPSIS
#include <sys/param.h>#include <sys/systm.h>
#include <sys/uio.h>
#include <sys/bio.h>
#include <sys/buf.h> int
BUF_ISLOCKED(struct buf *bp);
DESCRIPTION
The BUF_ISLOCKED() function returns the status of the lock linked to the buffer in relation to curthread. It can return:LK_EXCLUSIVE- An exclusive lock is held by curthread.
LK_EXCLOTHER- An exclusive lock is held by someone other than curthread.
LK_SHARED- A shared lock is held.
0- The lock is not held by anyone.
SEE ALSO
buf(9), BUF_LOCK(9), BUF_UNLOCK(9), lockmgr(9), lockstatus(9)AUTHORS
This manual page was written by Attilio Rao <[email protected]>.| January 22, 2008 | Debian |