| 1 | /*
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| 2 | * Copyright (c) 2012 Jakub Jermar
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup genericipc
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #include <ipc/sysipc_ops.h>
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| 36 | #include <ipc/ipc.h>
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| 37 | #include <synch/mutex.h>
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| 38 | #include <abi/errno.h>
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| 39 |
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| 40 | static int request_preprocess(call_t *call, phone_t *phone)
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| 41 | {
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| 42 | IPC_SET_ARG5(call->data, (sysarg_t) phone);
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| 43 |
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| 44 | return EOK;
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| 45 | }
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| 46 |
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| 47 | static void answer_cleanup(call_t *answer, ipc_data_t *olddata)
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| 48 | {
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| 49 | phone_t *phone = (phone_t *) IPC_GET_ARG5(*olddata);
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| 50 |
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| 51 | mutex_lock(&phone->lock);
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| 52 | if (phone->state == IPC_PHONE_CONNECTED) {
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| 53 | irq_spinlock_lock(&phone->callee->lock, true);
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| 54 | list_remove(&phone->link);
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| 55 | phone->state = IPC_PHONE_SLAMMED;
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| 56 | irq_spinlock_unlock(&phone->callee->lock, true);
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| 57 | }
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| 58 | mutex_unlock(&phone->lock);
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| 59 | }
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| 60 |
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| 61 | static int answer_preprocess(call_t *answer, ipc_data_t *olddata)
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| 62 | {
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| 63 |
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| 64 | if (IPC_GET_RETVAL(answer->data) != EOK) {
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| 65 | /*
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| 66 | * The other party on the cloned phone rejected our request
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| 67 | * for connection on the protocol level. We need to break the
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| 68 | * connection without sending IPC_M_HUNGUP back.
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| 69 | */
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| 70 | answer_cleanup(answer, olddata);
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| 71 | }
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| 72 |
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| 73 | return EOK;
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| 74 | }
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| 75 |
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| 76 | sysipc_ops_t ipc_m_clone_establish_ops = {
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| 77 | .request_preprocess = request_preprocess,
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| 78 | .request_forget = null_request_forget,
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| 79 | .request_process = null_request_process,
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| 80 | .answer_cleanup = answer_cleanup,
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| 81 | .answer_preprocess = answer_preprocess,
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| 82 | .answer_process = null_answer_process,
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| 83 | };
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| 84 |
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| 85 | /** @}
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| 86 | */
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