2 .\" Copyright (c) 2006 The DragonFly Project. All rights reserved.
4 .\" Redistribution and use in source and binary forms, with or without
5 .\" modification, are permitted provided that the following conditions
8 .\" 1. Redistributions of source code must retain the above copyright
9 .\" notice, this list of conditions and the following disclaimer.
10 .\" 2. Redistributions in binary form must reproduce the above copyright
11 .\" notice, this list of conditions and the following disclaimer in
12 .\" the documentation and/or other materials provided with the
14 .\" 3. Neither the name of The DragonFly Project nor the names of its
15 .\" contributors may be used to endorse or promote products derived
16 .\" from this software without specific, prior written permission.
18 .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 .\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 .\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21 .\" FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22 .\" COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23 .\" INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
24 .\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 .\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26 .\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
27 .\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
28 .\" OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 .\" $DragonFly: src/lib/libc/sys/caps_sys_reply.2,v 1.1 2006/02/28 22:40:49 swildner Exp $
38 .Nd reply to a CAPS IPC message
44 .Fn caps_sys_reply "int portid" "const void *msg" "int msgsize" "off_t msgid"
46 Reply to the received CAPS message identified by
48 on the port specified by
50 The reply may supply opaque data in
52 The memory associated with the message must be left intact until
53 an acknowledgement is returned at a later time.
54 The kernel does not make a copy of the message and its size may not
57 This function is only used on the server side.
58 The server may reply to a message without retrieving its data.
60 .Rv -std caps_sys_reply
62 This function will fail if:
63 .Bl -tag -width ".Bq Er ENOTCONN"
65 An invalid argument was specified.
67 The process originally creating the port forked and the child
68 process attempts to access the port.
69 The child process is expected to create its own port.
70 This error is also returned if the remote end closed its connection
71 and is no longer available.
72 Note that a child process may not reply to a message received by its
76 .Xr caps_sys_client 2 ,
79 .Xr caps_sys_service 2
83 function call first appeared in
87 CAPS IPC was written by
89 This man page was written by