BUF_LOCK man page on PC-BSD

BUF_LOCK man page on PC-BSD

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BUF_LOCK(9)		 BSD Kernel Developer's Manual		   BUF_LOCK(9)

NAME
     BUF_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>

     int
     BUF_LOCK(struct buf *bp, int locktype);

DESCRIPTION
     The 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:

     bp	       The buffer to lock.

     locktype  Flags controlling the type of lock.  See lockmgr(9) for
	       details.

RETURN VALUES
     A value of 0 is returned upon success.  See lockmgr(9) for information on
     non-zero return values.

SEE ALSO
     buf(9), BUF_TIMELOCK(9), BUF_UNLOCK(9), lockmgr(9)

AUTHORS
     This manual page was written by Chad David ⟨davidc@acns.ab.ca⟩.

BSD				 July 9, 2001				   BSD

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