source: mainline/kernel/generic/src/ipc/ops/conctmeto.c@ e5a4250

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since e5a4250 was b1e6269, checked in by Jakub Jermar <jakub@…>, 13 years ago

Add two new sysipc_ops_t members:

  • request_forget()
  • answer_cleanup()

Call these members to perform cleanup at appropriate times.

  • Property mode set to 100644
File size: 2.7 KB
Line 
1/*
2 * Copyright (c) 2006 Ondrej Palkovsky
3 * Copyright (c) 2012 Jakub Jermar
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * - Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * - Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * - The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30/** @addtogroup genericipc
31 * @{
32 */
33/** @file
34 */
35
36#include <ipc/sysipc_ops.h>
37#include <ipc/ipc.h>
38#include <ipc/ipcrsc.h>
39#include <abi/errno.h>
40#include <arch.h>
41
42static int request_preprocess(call_t *call, phone_t *phone)
43{
44 int newphid = phone_alloc(TASK);
45
46 if (newphid < 0)
47 return ELIMIT;
48
49 /* Set arg5 for server */
50 IPC_SET_ARG5(call->data, (sysarg_t) &TASK->phones[newphid]);
51 call->priv = newphid;
52
53 return EOK;
54}
55
56static void request_forget(call_t *call)
57{
58 phone_dealloc(call->priv);
59}
60
61static int answer_preprocess(call_t *answer, ipc_data_t *olddata)
62{
63 phone_t *phone = (phone_t *) IPC_GET_ARG5(*olddata);
64
65 /* If the user accepted call, connect */
66 if (IPC_GET_RETVAL(answer->data) == EOK)
67 ipc_phone_connect(phone, &TASK->answerbox);
68
69 return EOK;
70}
71
72static int answer_process(call_t *answer)
73{
74 if (IPC_GET_RETVAL(answer->data))
75 phone_dealloc(answer->priv);
76 else
77 IPC_SET_ARG5(answer->data, answer->priv);
78
79 return EOK;
80}
81
82sysipc_ops_t ipc_m_connect_me_to_ops = {
83 .request_preprocess = request_preprocess,
84 .request_forget = request_forget,
85 .request_process = null_request_process,
86 .answer_cleanup = null_answer_cleanup,
87 .answer_preprocess = answer_preprocess,
88 .answer_process = answer_process,
89};
90
91/** @}
92 */
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