|BUF_LOCK(9)||FreeBSD Kernel Developer's Manual||BUF_LOCK(9)|
NAMEBUF_LOCK — locks a buffer
SYNOPSIS#include < sys/param.h>
#include < sys/systm.h>
#include < sys/uio.h>
#include < sys/bio.h>
#include < sys/buf.h>
BUF_LOCK( struct buf *bp, int locktype);
DESCRIPTIONThe BUF_LOCK() function locks the given buffer. If the lock is already held this call will block until it can acquire the lock unless LK_NOWAIT is set.
Its arguments are:
- The buffer to lock.
- Flags controlling the type of lock. See lockmgr(9) for details.
RETURN VALUESA value of 0 is returned upon success. See lockmgr(9) for information on non-zero return values.
AUTHORSThis manual page was written by <email@example.com>.
|July 9, 2001||FreeBSD|