disconnect.c revision ed6184df 
1/*
2 * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2010 Red Hat, Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Copyright © 2002 Keith Packard
25 *
26 * Permission to use, copy, modify, distribute, and sell this software and its
27 * documentation for any purpose is hereby granted without fee, provided that
28 * the above copyright notice appear in all copies and that both that
29 * copyright notice and this permission notice appear in supporting
30 * documentation, and that the name of Keith Packard not be used in
31 * advertising or publicity pertaining to distribution of the software without
32 * specific, written prior permission.  Keith Packard makes no
33 * representations about the suitability of this software for any purpose.  It
34 * is provided "as is" without express or implied warranty.
35 *
36 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
37 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
38 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
39 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
40 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
41 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
42 * PERFORMANCE OF THIS SOFTWARE.
43 */
44
45#ifdef HAVE_DIX_CONFIG_H
46#include <dix-config.h>
47#endif
48
49#include "xfixesint.h"
50#include "opaque.h"
51
52static DevPrivateKeyRec ClientDisconnectPrivateKeyRec;
53
54#define ClientDisconnectPrivateKey (&ClientDisconnectPrivateKeyRec)
55
56typedef struct _ClientDisconnect {
57    int disconnect_mode;
58} ClientDisconnectRec, *ClientDisconnectPtr;
59
60#define GetClientDisconnect(s) \
61    ((ClientDisconnectPtr) dixLookupPrivate(&(s)->devPrivates, \
62                                            ClientDisconnectPrivateKey))
63
64int
65ProcXFixesSetClientDisconnectMode(ClientPtr client)
66{
67    ClientDisconnectPtr pDisconnect = GetClientDisconnect(client);
68
69    REQUEST(xXFixesSetClientDisconnectModeReq);
70
71    pDisconnect->disconnect_mode = stuff->disconnect_mode;
72
73    return Success;
74}
75
76int _X_COLD
77SProcXFixesSetClientDisconnectMode(ClientPtr client)
78{
79    REQUEST(xXFixesSetClientDisconnectModeReq);
80
81    swaps(&stuff->length);
82
83    REQUEST_AT_LEAST_SIZE(xXFixesSetClientDisconnectModeReq);
84
85    swapl(&stuff->disconnect_mode);
86
87    return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
88}
89
90int
91ProcXFixesGetClientDisconnectMode(ClientPtr client)
92{
93    ClientDisconnectPtr pDisconnect = GetClientDisconnect(client);
94    xXFixesGetClientDisconnectModeReply reply;
95
96    REQUEST_SIZE_MATCH(xXFixesGetClientDisconnectModeReq);
97
98    reply = (xXFixesGetClientDisconnectModeReply) {
99        .type = X_Reply,
100        .sequenceNumber = client->sequence,
101        .length = 0,
102        .disconnect_mode = pDisconnect->disconnect_mode,
103    };
104    if (client->swapped) {
105        swaps(&reply.sequenceNumber);
106        swapl(&reply.disconnect_mode);
107    }
108    WriteToClient(client, sizeof(xXFixesGetClientDisconnectModeReply), &reply);
109
110    return Success;
111}
112
113int _X_COLD
114SProcXFixesGetClientDisconnectMode(ClientPtr client)
115{
116    REQUEST(xXFixesGetClientDisconnectModeReq);
117
118    swaps(&stuff->length);
119
120    REQUEST_SIZE_MATCH(xXFixesGetClientDisconnectModeReq);
121
122    return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
123}
124
125Bool
126XFixesShouldDisconnectClient(ClientPtr client)
127{
128    ClientDisconnectPtr pDisconnect = GetClientDisconnect(client);
129
130    if (!pDisconnect)
131        return FALSE;
132
133    if (dispatchExceptionAtReset & DE_TERMINATE)
134        return (pDisconnect->disconnect_mode & XFixesClientDisconnectFlagTerminate);
135
136    return FALSE;
137}
138
139Bool
140XFixesClientDisconnectInit(void)
141{
142    if (!dixRegisterPrivateKey(&ClientDisconnectPrivateKeyRec,
143                               PRIVATE_CLIENT, sizeof(ClientDisconnectRec)))
144        return FALSE;
145
146    return TRUE;
147}
148