xref: /freebsd/share/man/man9/BUF_UNLOCK.9 (revision 02e9120893770924227138ba49df1edb3896112a)
1.\"
2.\" Copyright (C) 2001 Chad David <davidc@acns.ab.ca>. All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\"    notice(s), this list of conditions and the following disclaimer as
9.\"    the first lines of this file unmodified other than the possible
10.\"    addition of one or more copyright notices.
11.\" 2. Redistributions in binary form must reproduce the above copyright
12.\"    notice(s), this list of conditions and the following disclaimer in the
13.\"    documentation and/or other materials provided with the distribution.
14.\"
15.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
16.\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18.\" DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
19.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
25.\" DAMAGE.
26.\"
27.Dd July 9, 2001
28.Dt BUF_UNLOCK 9
29.Os
30.Sh NAME
31.Nm BUF_UNLOCK
32.Nd "unlocks a locked buffer"
33.Sh SYNOPSIS
34.In sys/param.h
35.In sys/systm.h
36.In sys/uio.h
37.In sys/bio.h
38.In sys/buf.h
39.Ft void
40.Fn BUF_UNLOCK "struct buf *bp"
41.Sh DESCRIPTION
42The
43.Fn BUF_UNLOCK
44function unlocks a buffer that was previously locked with
45.Fn BUF_LOCK
46or
47.Fn BUF_TIMELOCK .
48.Pp
49Its argument is:
50.Bl -tag -width ".Fa bp"
51.It Fa bp
52The buffer to unlock.
53The buffer must already be locked.
54.El
55.Sh SEE ALSO
56.Xr buf 9 ,
57.Xr BUF_LOCK 9 ,
58.Xr BUF_TIMELOCK 9 ,
59.Xr lockmgr 9
60.Sh AUTHORS
61This manual page was written by
62.An Chad David Aq Mt davidc@acns.ab.ca .
63