author | hgs |
Tue, 21 Sep 2010 11:38:43 -0500 | |
changeset 53 | eabc8c503852 |
parent 33 | 5e8b14bae8c3 |
permissions | -rw-r--r-- |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1 |
/* |
25 | 2 |
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
3 |
* All rights reserved. |
|
4 |
* This component and the accompanying materials are made available |
|
5 |
* under the terms of "Eclipse Public License v1.0" |
|
6 |
* which accompanies this distribution, and is available |
|
7 |
* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 |
* |
|
9 |
* Initial Contributors: |
|
10 |
* Nokia Corporation - initial contribution. |
|
11 |
* |
|
12 |
* Contributors: |
|
13 |
* |
|
14 |
* Description: Thread Safety Implementation |
|
15 |
* |
|
16 |
*/ |
|
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
17 |
|
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
18 |
#include <stdlib.h> |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
19 |
#include "xathreadsafety.h" |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
20 |
|
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
21 |
typedef struct |
25 | 22 |
{ |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
23 |
XAImplMutexHandle mutexTable[XATSCount]; |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
24 |
XAboolean tsEnabled; |
25 | 25 |
} XAThreadSafetyImpl; |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
26 |
|
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
27 |
static XAThreadSafetyImpl* threadSafety; |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
28 |
|
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
29 |
/* |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
30 |
* XAresult XAThreadSafety_Init() |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
31 |
* Description: Creates mutex table for thread safety support |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
32 |
* @return: Success value |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
33 |
*/ |
25 | 34 |
XAresult XAThreadSafety_Init(XAboolean tsEnable) |
35 |
{ |
|
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
36 |
XAresult ret = XA_RESULT_SUCCESS; |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
37 |
XAint32 i = 0; |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
38 |
DEBUG_API_A1("->XAThreadSafety_Init - tsEnable:%lu",tsEnable); |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
39 |
|
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
40 |
/* Initialize thread safety only once */ |
25 | 41 |
if (!threadSafety) |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
42 |
{ |
25 | 43 |
threadSafety = (XAThreadSafetyImpl *) calloc(1, |
44 |
sizeof(XAThreadSafetyImpl)); |
|
45 |
if (!threadSafety) |
|
46 |
{ |
|
33 | 47 |
DEBUG_ERR("XA_RESULT_MEMORY_FAILURE"); |
48 |
DEBUG_API("<-XAThreadSafety_Init"); |
|
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
49 |
/* memory allocation failed */ |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
50 |
return XA_RESULT_MEMORY_FAILURE; |
25 | 51 |
} |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
52 |
|
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
53 |
threadSafety->tsEnabled = tsEnable; |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
54 |
|
25 | 55 |
if (tsEnable) |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
56 |
{ |
25 | 57 |
for (i = 0; i < XATSCount; i++) |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
58 |
{ |
25 | 59 |
ret = XAImpl_CreateMutex(&threadSafety->mutexTable[i]); |
60 |
if (ret != XA_RESULT_SUCCESS) |
|
61 |
{ |
|
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
62 |
break; |
33 | 63 |
} |
53 | 64 |
DEBUG_INFO_A1_STR("Created for [%s]", MEDIAOBJECTNAME(i)); |
65 |
DEBUG_INFO_A1("Object pointer in mutex table: %x", (int)threadSafety->mutexTable[i] ); |
|
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
66 |
} |
25 | 67 |
} |
68 |
else |
|
69 |
{ |
|
70 |
DEBUG_INFO("Thread safety: disabled."); |
|
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
71 |
} |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
72 |
} |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
73 |
|
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
74 |
DEBUG_API("<-XAThreadSafety_Init"); |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
75 |
return ret; |
25 | 76 |
} |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
77 |
|
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
78 |
/* |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
79 |
* XAresult XAThreadSafety_Destroy() |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
80 |
* Description: Destroys mutex table created for thread safety support |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
81 |
*/ |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
82 |
XAresult XAThreadSafety_Destroy() |
25 | 83 |
{ |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
84 |
XAresult ret = XA_RESULT_SUCCESS; |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
85 |
XAint32 i = 0; |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
86 |
DEBUG_API("->XAThreadSafety_Destroy"); |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
87 |
|
25 | 88 |
if (threadSafety) |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
89 |
{ |
25 | 90 |
if (threadSafety->tsEnabled) |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
91 |
{ |
25 | 92 |
for (i = 0; i < XATSCount; i++) |
93 |
{ |
|
53 | 94 |
DEBUG_INFO_A1_STR("Free for [%s]", MEDIAOBJECTNAME(i)); |
95 |
DEBUG_INFO_A1("Object pointer in mutex table: %x", (int)threadSafety->mutexTable[i] ); |
|
25 | 96 |
XAImpl_DeleteMutex(threadSafety->mutexTable[i]); |
97 |
} |
|
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
98 |
} |
25 | 99 |
free(threadSafety); |
53 | 100 |
threadSafety = NULL; |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
101 |
} |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
102 |
else |
25 | 103 |
{ |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
104 |
DEBUG_INFO("Thread safety: disabled."); |
25 | 105 |
} |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
106 |
|
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
107 |
DEBUG_API("<-XAThreadSafety_Destroy"); |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
108 |
return ret; |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
109 |
|
25 | 110 |
} |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
111 |
|
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
112 |
/* |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
113 |
* XAresult XAThreadSafety_Unlock( XAThreadSafetyMediaObjects mediaObject ) |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
114 |
* Description: |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
115 |
* @param XAThreadSafetyMediaObjects mediaObject |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
116 |
* @return |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
117 |
*/ |
25 | 118 |
XAresult XAThreadSafety_Unlock(XAThreadSafetyMediaObjects mediaObject) |
119 |
{ |
|
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
120 |
XAresult ret = XA_RESULT_SUCCESS; |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
121 |
DEBUG_API("->XAThreadSafety_Unlock"); |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
122 |
|
25 | 123 |
if (threadSafety) |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
124 |
{ |
25 | 125 |
if (threadSafety->tsEnabled) |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
126 |
{ |
25 | 127 |
ret = XAImpl_UnlockMutex(threadSafety->mutexTable[mediaObject]); |
128 |
if (ret == XA_RESULT_SUCCESS) |
|
129 |
{ |
|
53 | 130 |
DEBUG_INFO_A1_STR("Released lock for [%s]", MEDIAOBJECTNAME(mediaObject)); |
131 |
DEBUG_INFO_A1("Object pointer in mutex table: %x", (int)threadSafety->mutexTable[mediaObject] ); |
|
25 | 132 |
} |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
133 |
} |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
134 |
} |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
135 |
else |
25 | 136 |
{ |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
137 |
DEBUG_INFO("Thread safety: disabled."); |
33 | 138 |
} |
139 |
DEBUG_API("<-XAThreadSafety_Unlock"); |
|
25 | 140 |
return ret; |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
141 |
} |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
142 |
/* |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
143 |
* XAresult XAThreadSafety_TryLock( XAThreadSafetyMediaObjects mediaObject ); |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
144 |
* Description: |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
145 |
* @param XAThreadSafetyMediaObjects mediaObject |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
146 |
* @return |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
147 |
*/ |
25 | 148 |
XAresult XAThreadSafety_TryLock(XAThreadSafetyMediaObjects mediaObject) |
149 |
{ |
|
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
150 |
XAresult ret = XA_RESULT_SUCCESS; |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
151 |
DEBUG_API("->XAThreadSafety_TryLock"); |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
152 |
|
25 | 153 |
if (threadSafety) |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
154 |
{ |
25 | 155 |
if (threadSafety->tsEnabled) |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
156 |
{ |
25 | 157 |
ret = XAImpl_TryLockMutex(threadSafety->mutexTable[mediaObject]); |
158 |
if (ret == XA_RESULT_SUCCESS) |
|
159 |
{ |
|
53 | 160 |
DEBUG_INFO_A1_STR("Obtained lock for [%s]", MEDIAOBJECTNAME(mediaObject)); |
161 |
DEBUG_INFO_A1("Object pointer in mutex table: %x", (int )threadSafety->mutexTable[mediaObject] ); |
|
25 | 162 |
} |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
163 |
} |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
164 |
} |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
165 |
else |
25 | 166 |
{ |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
167 |
DEBUG_INFO("Thread safety: disabled."); |
25 | 168 |
} |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
169 |
|
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
170 |
DEBUG_API("<-XAThreadSafety_TryLock"); |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
171 |
return ret; |
25 | 172 |
} |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
173 |