source: mainline/kernel/generic/src/ipc/ops/clnestab.c@ 0343a1b

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 0343a1b was e8039a86, checked in by Jakub Jermar <jakub@…>, 13 years ago

Separate system IPC logic into dedicated ops structure hooks.

  • Property mode set to 100644
File size: 2.6 KB
RevLine 
[f0defd2]1/*
2 * Copyright (c) 2012 Jakub Jermar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup genericipc
30 * @{
31 */
32/** @file
33 */
34
35#include <ipc/sysipc_ops.h>
[e8039a86]36#include <ipc/ipc.h>
37#include <synch/mutex.h>
38#include <abi/errno.h>
39
40static int request_preprocess(call_t *call, phone_t *phone)
41{
42 IPC_SET_ARG5(call->data, (sysarg_t) phone);
43
44 return EOK;
45}
46
47static int answer_preprocess(call_t *answer, ipc_data_t *olddata)
48{
49 phone_t *phone = (phone_t *) IPC_GET_ARG5(*olddata);
50
51 if (IPC_GET_RETVAL(answer->data) != EOK) {
52 /*
53 * The other party on the cloned phone rejected our request
54 * for connection on the protocol level. We need to break the
55 * connection without sending IPC_M_HUNGUP back.
56 */
57 mutex_lock(&phone->lock);
58 if (phone->state == IPC_PHONE_CONNECTED) {
59 irq_spinlock_lock(&phone->callee->lock, true);
60 list_remove(&phone->link);
61 phone->state = IPC_PHONE_SLAMMED;
62 irq_spinlock_unlock(&phone->callee->lock, true);
63 }
64 mutex_unlock(&phone->lock);
65 }
66
67 return EOK;
68}
[f0defd2]69
70sysipc_ops_t ipc_m_clone_establish_ops = {
[e8039a86]71 .request_preprocess = request_preprocess,
[f0defd2]72 .request_process = null_request_process,
[e8039a86]73 .answer_preprocess = answer_preprocess,
[f0defd2]74 .answer_process = null_answer_process,
75};
76
77/** @}
78 */
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