0
|
1 |
/*
|
|
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 the License "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:
|
|
15 |
*
|
|
16 |
*/
|
|
17 |
|
|
18 |
|
|
19 |
|
|
20 |
#include <kernel.h> // For Kern
|
|
21 |
#include "isiroutertrace.h" // For C_TRACE, ASSERT_RESET.. and fault codes
|
|
22 |
#include "isiinternaldefs.h" // For KAmountOfKernelThreads...
|
|
23 |
#include "isithreadcontainer.h" // For DISIThreadContainer
|
|
24 |
|
|
25 |
// Faults
|
|
26 |
enum TISIThreadContainerFaults
|
|
27 |
{
|
|
28 |
EISIThreadContainerDfcQAllocFailure = 0x01,
|
|
29 |
EISIThreadContainerDfcQAllocFailure1,
|
|
30 |
EISIThreadContainerUnknownThreadType,
|
|
31 |
EISIThreadContainerNULLThreadPtr,
|
|
32 |
EISIThreadContainerThreadNotFound,
|
|
33 |
EISIThreadContainerOverflow,
|
|
34 |
EISIThreadContainerOverflow1,
|
|
35 |
EISIThreadContainerUnderflow,
|
|
36 |
EISIThreadContainerUnderflow1,
|
|
37 |
};
|
|
38 |
|
|
39 |
|
|
40 |
_LIT8( KISIKernelClientThread, "ISIKernelClientThread" );
|
|
41 |
_LIT8( KISIUserClientThread, "ISIUserClientThread" );
|
|
42 |
|
|
43 |
const TInt KDefaultDfcThreadPriority( 27 );
|
|
44 |
const TUint8 KMaxThreadUsers( 255 );
|
|
45 |
const TUint8 KMaxThreadNameLength( 25 );
|
|
46 |
|
|
47 |
DISIThreadContainer::DISIThreadContainer()
|
|
48 |
{
|
|
49 |
C_TRACE( ( _T( "DISIThreadContainer::DISIThreadContainer>" ) ) );
|
|
50 |
TUint8 nameIndex = 0;
|
|
51 |
for( TUint8 i( 0 ); i < KAmountOfKernelThreads; i++ )
|
|
52 |
{
|
|
53 |
iNameTable[ nameIndex ] = HBuf8::New( KMaxThreadNameLength );
|
|
54 |
iNameTable[ nameIndex ]->Append( (&KISIKernelClientThread)->Ptr(), (&KISIKernelClientThread)->Length() );
|
|
55 |
iNameTable[ nameIndex ]->AppendNum( i, EDecimal );
|
|
56 |
Kern::DfcQCreate( iKClientDfcQueList[ i ], KDefaultDfcThreadPriority, iNameTable[ nameIndex ] );
|
|
57 |
ASSERT_RESET_ALWAYS( iKClientDfcQueList[ i ], ( EISIThreadContainerDfcQAllocFailure | EDISIThreadContainerTraceId << KClassIdentifierShift ) );
|
|
58 |
nameIndex++;
|
|
59 |
}
|
|
60 |
for( TUint8 i( 0 ); i < KAmountOfUserThreads; i++ )
|
|
61 |
{
|
|
62 |
iNameTable[ nameIndex ] = HBuf8::New( KMaxThreadNameLength );
|
|
63 |
iNameTable[ nameIndex ]->Append( (&KISIUserClientThread)->Ptr(), (&KISIUserClientThread)->Length() );
|
|
64 |
iNameTable[ nameIndex ]->AppendNum( i, EDecimal );
|
|
65 |
Kern::DfcQCreate( iUClientDfcQueList[ i ], KDefaultDfcThreadPriority, iNameTable[ nameIndex ] );
|
|
66 |
ASSERT_RESET_ALWAYS( iUClientDfcQueList[ i ], ( EISIThreadContainerDfcQAllocFailure1 | EDISIThreadContainerTraceId << KClassIdentifierShift ) );
|
|
67 |
nameIndex++;
|
|
68 |
}
|
|
69 |
C_TRACE( ( _T( "DISIThreadContainer::DISIThreadContainer<" ) ) );
|
|
70 |
}
|
|
71 |
|
|
72 |
DISIThreadContainer::~DISIThreadContainer()
|
|
73 |
{
|
|
74 |
C_TRACE( ( _T( "DISIThreadContainer::~DISIThreadContainer>" ) ) );
|
|
75 |
for( TUint8 i( 0 ); i < ( KAmountOfKernelThreads + KAmountOfUserThreads ); i++ )
|
|
76 |
{
|
|
77 |
if( iNameTable[ i ] )
|
|
78 |
{
|
|
79 |
delete iNameTable[ i ];
|
|
80 |
iNameTable[ i ] = NULL;
|
|
81 |
}
|
|
82 |
}
|
|
83 |
for( TUint8 i( 0 ); i < KAmountOfKernelThreads; i++ )
|
|
84 |
{
|
|
85 |
if( iKClientDfcQueList[ i ] )
|
|
86 |
{
|
|
87 |
delete iKClientDfcQueList[ i ];
|
|
88 |
iKClientDfcQueList[ i ] = NULL;
|
|
89 |
}
|
|
90 |
}
|
|
91 |
for( TUint8 i( 0 ); i < KAmountOfUserThreads; i++ )
|
|
92 |
{
|
|
93 |
if( iUClientDfcQueList[ i ] )
|
|
94 |
{
|
|
95 |
delete iUClientDfcQueList[ i ];
|
|
96 |
iUClientDfcQueList[ i ] = NULL;
|
|
97 |
}
|
|
98 |
}
|
|
99 |
C_TRACE( ( _T( "DISIThreadContainer::~DISIThreadContainer<" ) ) );
|
|
100 |
}
|
|
101 |
|
9
|
102 |
TDfcQue* DISIThreadContainer::AllocateThread( const MISIObjectRouterIf::TISIDfcQThreadType aType )
|
0
|
103 |
{
|
|
104 |
C_TRACE( ( _T( "DISIThreadContainer::AllocateThread %d>" ), aType ) );
|
|
105 |
TDfcQue* tmpPtr( NULL );
|
|
106 |
switch( aType )
|
|
107 |
{
|
9
|
108 |
case MISIObjectRouterIf::EISIKernelMainThread:
|
|
109 |
case MISIObjectRouterIf::EISIKernelRequestCompletionThread:
|
0
|
110 |
{
|
|
111 |
tmpPtr = ReserveKernelThread();
|
|
112 |
break;
|
|
113 |
}
|
9
|
114 |
case MISIObjectRouterIf::EISIUserMainThread:
|
|
115 |
case MISIObjectRouterIf::EISIUserRequestCompletionThread:
|
0
|
116 |
{
|
|
117 |
tmpPtr = ReserveUserThread();
|
|
118 |
break;
|
|
119 |
}
|
|
120 |
default:
|
|
121 |
{
|
|
122 |
ASSERT_RESET_ALWAYS( 0, ( EISIThreadContainerUnknownThreadType | EDISIThreadContainerTraceId << KClassIdentifierShift ) );
|
|
123 |
break;
|
|
124 |
}
|
|
125 |
}
|
|
126 |
ASSERT_RESET_ALWAYS( tmpPtr, ( EISIThreadContainerNULLThreadPtr | EDISIThreadContainerTraceId << KClassIdentifierShift ) );
|
|
127 |
C_TRACE( ( _T( "DISIThreadContainer::AllocateThread %d 0x%x<" ), aType, tmpPtr ) );
|
|
128 |
return tmpPtr;
|
|
129 |
}
|
|
130 |
|
|
131 |
TDfcQue* DISIThreadContainer::ReserveKernelThread()
|
|
132 |
{
|
|
133 |
C_TRACE( ( _T( "DISIThreadContainer::ReservekernelThread>" ) ) );
|
|
134 |
TUint8 clientCount = iKThreadOccupation[ 0 ];
|
|
135 |
TUint8 index = 0;
|
|
136 |
for( TUint8 i( 0 ) ; i < KAmountOfKernelThreads; i++ )
|
|
137 |
{
|
|
138 |
if( clientCount > iKThreadOccupation[ i ] )
|
|
139 |
{
|
|
140 |
clientCount = iKThreadOccupation[ i ];
|
|
141 |
index = i;
|
|
142 |
}
|
|
143 |
}
|
|
144 |
++iKThreadOccupation[ index ];
|
|
145 |
ASSERT_RESET_ALWAYS( iKThreadOccupation[ index ] <= KMaxThreadUsers, ( EISIThreadContainerOverflow | EDISIThreadContainerTraceId << KClassIdentifierShift ) );
|
|
146 |
C_TRACE( ( _T( "DISIThreadContainer::ReserveKernelThread 0x%x %d %d<" ), iKClientDfcQueList[ index ], iKThreadOccupation[ index ], index ) );
|
|
147 |
return iKClientDfcQueList[ index ];
|
|
148 |
}
|
|
149 |
|
|
150 |
TDfcQue* DISIThreadContainer::ReserveUserThread()
|
|
151 |
{
|
|
152 |
C_TRACE( ( _T( "DISIThreadContainer::ReserveUserThread>" ) ) );
|
|
153 |
TUint8 clientCount = iUThreadOccupation[ 0 ];
|
|
154 |
TUint8 index = 0;
|
|
155 |
for( TUint8 i( 0 ); i < KAmountOfUserThreads; i++ )
|
|
156 |
{
|
|
157 |
if( clientCount > iUThreadOccupation[ i ] )
|
|
158 |
{
|
|
159 |
clientCount = iUThreadOccupation[ i ];
|
|
160 |
index = i;
|
|
161 |
}
|
|
162 |
}
|
|
163 |
++iUThreadOccupation[ index ];
|
|
164 |
ASSERT_RESET_ALWAYS( iUThreadOccupation[ index ] <= KMaxThreadUsers, ( EISIThreadContainerOverflow1 | EDISIThreadContainerTraceId << KClassIdentifierShift ) );
|
|
165 |
C_TRACE( ( _T( "DISIThreadContainer::ReserveUserThread 0x%x %d %d<" ), iUClientDfcQueList[ index ], iUThreadOccupation[ index ], index ) );
|
|
166 |
return iUClientDfcQueList[ index ];
|
|
167 |
}
|
|
168 |
|
|
169 |
void DISIThreadContainer::DeallocateThread( TDfcQue* aThread )
|
|
170 |
{
|
|
171 |
C_TRACE( ( _T( "DISIThreadContainer::DeallocateThread 0x%x>" ), aThread ) );
|
|
172 |
TBool found( EFalse );
|
|
173 |
for( TUint8 i( 0 ) ; i < KAmountOfKernelThreads; i++ )
|
|
174 |
{
|
|
175 |
if( aThread == iKClientDfcQueList[ i ] )
|
|
176 |
{
|
|
177 |
--iKThreadOccupation[ i ];
|
|
178 |
ASSERT_RESET_ALWAYS( iKThreadOccupation[ i ] != KMaxThreadUsers, ( EISIThreadContainerUnderflow | EDISIThreadContainerTraceId << KClassIdentifierShift ) );
|
|
179 |
C_TRACE( ( _T( "DISIThreadContainer DeallocKThread 0x%x %d %d>" ), aThread, iKThreadOccupation[ i ], i ) );
|
|
180 |
found = ETrue;
|
|
181 |
break;
|
|
182 |
}
|
|
183 |
}
|
|
184 |
if( !found )
|
|
185 |
{
|
|
186 |
for( TUint8 i( 0 ) ; i < KAmountOfUserThreads; i++ )
|
|
187 |
{
|
|
188 |
if( aThread == iUClientDfcQueList[ i ] )
|
|
189 |
{
|
|
190 |
--iUThreadOccupation[ i ];
|
|
191 |
ASSERT_RESET_ALWAYS( iUThreadOccupation[ i ] != KMaxThreadUsers, ( EISIThreadContainerUnderflow1 | EDISIThreadContainerTraceId << KClassIdentifierShift ) );
|
|
192 |
C_TRACE( ( _T( "DISIThreadContainer DeallocUThread 0x%x %d %d>" ), aThread, iUThreadOccupation[ i ], i ) );
|
|
193 |
found = ETrue;
|
|
194 |
break;
|
|
195 |
}
|
|
196 |
}
|
|
197 |
}
|
|
198 |
ASSERT_RESET_ALWAYS( found, ( EISIThreadContainerThreadNotFound | EDISIThreadContainerTraceId << KClassIdentifierShift ) );
|
|
199 |
C_TRACE( ( _T( "DISIThreadContainer::DeallocateThread 0x%x<" ), aThread ) );
|
|
200 |
}
|
|
201 |
|