1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 #include <memspy/engine/memspyengineobjectprocess.h> |
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19 |
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20 // System includes |
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21 #include <e32svr.h> |
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22 #include <u32std.h> |
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23 |
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24 // Driver includes |
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25 #include <memspy/driver/memspydriverclient.h> |
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26 #include <memspy/driver/memspydriverpanics.h> // for terminate |
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27 |
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28 // User includes |
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29 #include <memspy/engine/memspyengine.h> |
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30 #include <memspy/engine/memspyengineutils.h> |
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31 #include <memspy/engine/memspyengineobjectthread.h> |
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32 |
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33 // Literal constants |
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34 _LIT( KMemSpyUnknownProcessName, "Unknown" ); |
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35 _LIT( KMemSpyUnknownExitCategory, "Unknown ExitCat" ); |
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36 _LIT( KMemSpyStandardProcessExtension, ".exe" ); |
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37 |
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38 |
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39 CMemSpyProcess::CMemSpyProcess( TProcessId aId, CMemSpyEngine& aEngine ) |
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40 : iId( aId ), iEngine( aEngine ) |
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41 { |
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42 } |
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43 |
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44 |
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45 CMemSpyProcess::~CMemSpyProcess() |
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46 { |
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47 #ifdef _DEBUG |
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48 if ( iName != NULL ) |
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49 { |
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50 RDebug::Print(_L( "MEMSPY - dtor - CMemSpyProcess() - this: 0x%08x, name: %S"), this, iName); |
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51 } |
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52 else |
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53 { |
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54 RDebug::Printf( "MEMSPY - dtor - CMemSpyProcess() - this: 0x%08x", this ); |
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55 } |
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56 #endif |
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57 |
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58 CloseAllThreads(); |
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59 iThreads.Close(); |
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60 delete iName; |
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61 delete iInfo; |
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62 } |
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63 |
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64 |
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65 void CMemSpyProcess::ConstructL() |
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66 { |
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67 iInfo = new(ELeave) TMemSpyDriverProcessInfo(); |
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68 |
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69 RMemSpyDriverClient& driver = iEngine.Driver(); |
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70 RProcess process; |
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71 User::LeaveIfError( driver.OpenProcess( iId, process ) ); |
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72 CleanupClosePushL( process ); |
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73 |
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74 // Find the threads before we start tinkering with the process |
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75 // name |
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76 LocateThreadsL( process ); |
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77 |
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78 // Now build the process name |
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79 RefreshL( process ); |
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80 |
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81 CleanupStack::PopAndDestroy( &process ); |
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82 |
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83 |
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84 #ifdef _DEBUG |
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85 if ( iName != NULL ) |
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86 { |
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87 RDebug::Print(_L( "MEMSPY - ctor - CMemSpyProcess() - this: 0x%08x, name: %S"), this, iName); |
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88 } |
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89 else |
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90 { |
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91 RDebug::Printf( "MEMSPY - ctor - CMemSpyProcess() - this: 0x%08x", this ); |
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92 } |
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93 #endif |
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94 } |
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95 |
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96 |
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97 EXPORT_C CMemSpyProcess* CMemSpyProcess::NewL( const CMemSpyProcess& aCopyMe ) |
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98 { |
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99 CMemSpyProcess* self = NewL( aCopyMe.Id(), aCopyMe.iEngine ); |
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100 return self; |
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101 } |
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102 |
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103 |
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104 CMemSpyProcess* CMemSpyProcess::NewL( TProcessId aId, CMemSpyEngine& aEngine ) |
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105 { |
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106 CMemSpyProcess* self = CMemSpyProcess::NewL( aId, aEngine ); |
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107 CleanupStack::Pop( self ); |
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108 return self; |
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109 } |
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110 |
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111 |
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112 CMemSpyProcess* CMemSpyProcess::NewLC( TProcessId aId, CMemSpyEngine& aEngine ) |
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113 { |
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114 CMemSpyProcess* self = new(ELeave) CMemSpyProcess( aId, aEngine ); |
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115 CleanupClosePushL( *self ); |
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116 self->ConstructL(); |
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117 return self; |
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118 } |
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119 |
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120 |
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121 EXPORT_C void CMemSpyProcess::Close() |
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122 { |
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123 if ( !OpenOrCloseInProgress() ) |
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124 { |
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125 const TInt ac = AccessCount(); |
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126 SetOpenOrCloseInProgress( ETrue ); |
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127 |
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128 // Calling close can do a "delete this" so make sure |
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129 // we don't try to access the object again in that situation... |
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130 CMemSpyEngineObject::Close(); |
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131 if ( ac - 1 > 0 ) |
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132 { |
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133 SetOpenOrCloseInProgress( EFalse ); |
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134 } |
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135 else |
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136 { |
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137 // We don't care - we've just been deleted! |
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138 } |
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139 } |
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140 } |
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141 |
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142 |
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143 EXPORT_C void CMemSpyProcess::Open() |
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144 { |
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145 if ( !OpenOrCloseInProgress() ) |
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146 { |
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147 SetOpenOrCloseInProgress( ETrue ); |
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148 CMemSpyEngineObject::Open(); |
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149 SetOpenOrCloseInProgress( EFalse ); |
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150 } |
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151 } |
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152 |
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153 |
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154 EXPORT_C TInt CMemSpyProcess::MdcaCount() const |
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155 { |
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156 return iThreads.Count(); |
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157 } |
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158 |
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159 |
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160 EXPORT_C TPtrC CMemSpyProcess::MdcaPoint(TInt aIndex) const |
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161 { |
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162 const CMemSpyThread* thread = iThreads[ aIndex ]; |
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163 return TPtrC( thread->NameForListBox() ); |
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164 } |
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165 |
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166 |
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167 EXPORT_C TInt CMemSpyProcess::ThreadIndexById( TThreadId aId ) const |
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168 { |
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169 TInt index = KErrNotFound; |
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170 // |
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171 const TInt count = iThreads.Count(); |
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172 for( TInt i=0; i<count; i++ ) |
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173 { |
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174 const CMemSpyThread* thread = iThreads[ i ]; |
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175 if ( thread->Id() == aId ) |
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176 { |
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177 index = i; |
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178 break; |
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179 } |
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180 } |
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181 // |
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182 return index; |
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183 } |
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184 |
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185 |
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186 EXPORT_C CMemSpyThread& CMemSpyProcess::ThreadByIdL( TThreadId aId ) const |
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187 { |
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188 CMemSpyThread* ret = NULL; |
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189 // |
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190 const TInt count = iThreads.Count(); |
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191 for( TInt i=0; i<count; i++ ) |
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192 { |
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193 CMemSpyThread* thread = iThreads[ i ]; |
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194 if ( thread->Id() == aId ) |
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195 { |
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196 ret = thread; |
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197 break; |
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198 } |
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199 } |
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200 // |
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201 if ( ret == NULL ) |
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202 { |
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203 User::Leave( KErrNotFound ); |
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204 } |
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205 // |
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206 return *ret; |
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207 } |
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208 |
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209 |
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210 |
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211 EXPORT_C TPtrC CMemSpyProcess::Name() const |
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212 { |
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213 // Just return the pure name, minus the leading tab |
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214 TPtrC pRet( iName->Mid(2) ); |
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215 |
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216 // Find the last tab position |
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217 TInt pos = pRet.Locate(TChar('\t')); |
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218 if ( pos > 0 ) |
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219 { |
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220 pRet.Set( pRet.Left( pos ) ); |
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221 } |
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222 // |
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223 return pRet; |
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224 } |
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225 |
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226 |
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227 EXPORT_C CMemSpyThread& CMemSpyProcess::At( TInt aIndex ) const |
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228 { |
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229 CMemSpyThread* ret = iThreads[ aIndex ]; |
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230 return *ret; |
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231 } |
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232 |
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233 |
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234 EXPORT_C void CMemSpyProcess::TerminateL() |
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235 { |
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236 RMemSpyDriverClient& driver = iEngine.Driver(); |
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237 RProcess process; |
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238 User::LeaveIfError( driver.OpenProcess( iId, process ) ); |
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239 process.Terminate( EPanicForcedTerminate ); |
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240 process.Close(); |
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241 // |
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242 RefreshL(); |
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243 } |
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244 |
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245 |
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246 EXPORT_C void CMemSpyProcess::KillL() |
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247 { |
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248 RMemSpyDriverClient& driver = iEngine.Driver(); |
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249 RProcess process; |
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250 User::LeaveIfError( driver.OpenProcess( iId, process ) ); |
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251 process.Kill( EPanicForcedKill ); |
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252 process.Close(); |
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253 // |
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254 RefreshL(); |
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255 } |
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256 |
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257 |
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258 EXPORT_C void CMemSpyProcess::PanicL() |
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259 { |
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260 RMemSpyDriverClient& driver = iEngine.Driver(); |
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261 RProcess process; |
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262 User::LeaveIfError( driver.OpenProcess( iId, process ) ); |
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263 process.Panic( KMemSpyClientPanic, EPanicForcedPanic ); |
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264 process.Close(); |
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265 // |
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266 RefreshL(); |
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267 } |
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268 |
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269 |
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270 EXPORT_C TBool CMemSpyProcess::IsSystemPermanent() const |
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271 { |
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272 const TBool ret = ( iInfo->iFlags & KProcessFlagSystemPermanent ); |
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273 return ret; |
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274 } |
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275 |
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276 |
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277 EXPORT_C TBool CMemSpyProcess::IsSystemCritical() const |
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278 { |
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279 const TBool ret = ( iInfo->iFlags & KProcessFlagSystemCritical ); |
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280 return ret; |
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281 } |
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282 |
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283 |
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284 void CMemSpyProcess::LocateThreadsL( RProcess& aProcess ) |
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285 { |
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286 __ASSERT_ALWAYS( aProcess.Handle() != KNullHandle, MemSpyEngineUtils::Panic( EMemSpyEnginePanicProcessHandleNullWhenAttemptingToIdentifyThreads ) ); |
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287 |
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288 #ifdef _DEBUG |
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289 RDebug::Printf("CMemSpyProcess::LocateThreadsL() - START - this: 0x%08x, pid: %d (0x%04x)", this, (TUint) aProcess.Id(), (TUint) aProcess.Id() ); |
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290 #endif |
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291 |
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292 RArray<TThreadId> threadIds; |
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293 CleanupClosePushL( threadIds ); |
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294 |
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295 // Get list of child threads from driver. |
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296 iEngine.Driver().GetThreadsL( aProcess.Id(), threadIds ); |
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297 |
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298 // Create therad object for each thread the driver returned to us... |
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299 const TInt count = threadIds.Count(); |
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300 #ifdef _DEBUG |
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301 RDebug::Printf("CMemSpyProcess::LocateThreadsL() - got %d threads", count ); |
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302 #endif |
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303 |
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304 for( TInt i=0; i<count; i++ ) |
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305 { |
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306 const TThreadId threadId( threadIds[ i ] ); |
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307 #ifdef _DEBUG |
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308 RDebug::Printf("CMemSpyProcess::LocateThreadsL() - thread id: %d (0x%04d)", (TUint) threadId, (TUint) threadId ); |
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309 #endif |
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310 // |
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311 TRAP_IGNORE( |
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312 CMemSpyThread* threadObj = CMemSpyThread::NewLC( threadId, *this ); |
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313 iThreads.AppendL( threadObj ); |
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314 CleanupStack::Pop( threadObj ); |
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315 ); |
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316 } |
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317 |
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318 // Tidy up |
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319 CleanupStack::PopAndDestroy( &threadIds ); |
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320 |
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321 #ifdef _DEBUG |
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322 RDebug::Printf("CMemSpyProcess::LocateThreadsL() - END - this: 0x%08x, pid: %d (0x%04x), thread count: %d", this, (TUint) aProcess.Id(), (TUint) aProcess.Id(), iThreads.Count() ); |
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323 #endif |
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324 } |
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325 |
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326 |
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327 void CMemSpyProcess::AppendPriority( TDes& aDes, TProcessPriority aPriority ) |
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328 { |
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329 switch( aPriority ) |
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330 { |
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331 case EPriorityLow: |
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332 aDes += _L("[L]"); |
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333 break; |
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334 case EPriorityBackground: |
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335 aDes += _L("[B]"); |
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336 break; |
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337 case EPriorityForeground: |
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338 aDes += _L("[F]"); |
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339 break; |
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340 case EPriorityHigh: |
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341 aDes += _L("[H]"); |
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342 break; |
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343 case EPriorityWindowServer: |
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344 aDes += _L("[WS]"); |
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345 break; |
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346 case EPriorityFileServer: |
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347 aDes += _L("[FS]"); |
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348 break; |
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349 case EPriorityRealTimeServer: |
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350 aDes += _L("[RTS]"); |
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351 break; |
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352 case EPrioritySupervisor: |
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353 aDes += _L("[SUP]"); |
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354 break; |
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355 default: |
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356 aDes += _L("[?]"); |
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357 break; |
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358 } |
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359 } |
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360 |
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361 |
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362 void CMemSpyProcess::GetFileName( TFileName& aFileName ) |
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363 { |
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364 // Fallback |
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365 const TPtrC pNameCleaned( Name() ); |
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366 aFileName.Zero(); |
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367 aFileName.AppendFormat( _L("%S.exe"), &pNameCleaned ); |
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368 |
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369 // Try to get the proper name |
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370 RProcess process; |
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371 RMemSpyDriverClient& driver = iEngine.Driver(); |
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372 if ( driver.OpenProcess( iId, process ) == KErrNone ) |
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373 { |
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374 aFileName = process.FileName(); |
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375 process.Close(); |
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376 } |
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377 } |
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378 |
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379 void CMemSpyProcess::RefreshL() |
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380 { |
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381 RMemSpyDriverClient& driver = iEngine.Driver(); |
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382 RProcess process; |
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383 |
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384 // Deliberately ignore error - the other overload of RefreshL can cope with |
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385 // a null handle. |
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386 driver.OpenProcess( iId, process ); |
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387 CleanupClosePushL( process ); |
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388 |
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389 RefreshL( process ); |
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390 |
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391 CleanupStack::PopAndDestroy( &process ); |
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392 } |
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393 |
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394 |
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395 void CMemSpyProcess::RefreshL( const RProcess& aProcess ) |
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396 { |
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397 const TBool handleValid = aProcess.Handle() != KNullHandle; |
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398 if ( handleValid ) |
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399 { |
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400 RMemSpyDriverClient& driver = iEngine.Driver(); |
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401 User::LeaveIfError( driver.GetProcessInfo( iId, *iInfo ) ); |
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402 } |
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403 |
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404 // Get priority, exit info etc |
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405 iExitType = handleValid ? aProcess.ExitType() : EExitKill; |
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406 iPriority = handleValid ? aProcess.Priority() : EPriorityForeground; |
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407 |
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408 // If the process is dead then we may not be able to get some attributes |
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409 // (it depends on whether the thread handle is valid anymore). |
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410 iExitReason = 0; |
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411 iExitCategory.Zero(); |
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412 |
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413 if ( IsDead() ) |
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414 { |
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415 if ( handleValid ) |
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416 { |
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417 iExitReason = aProcess.ExitReason(); |
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418 iExitCategory = aProcess.ExitCategory(); |
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419 } |
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420 else |
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421 { |
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422 iExitCategory = KMemSpyUnknownExitCategory; |
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423 } |
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424 } |
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425 else |
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426 { |
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427 // We only reset the flags if the process is still alive. |
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428 // If it is dead (i.e. 'if' branch) then we do not reset because |
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429 // we have no way to fetch them any more. |
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430 iFlags = EFlagsNone; |
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431 } |
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432 |
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433 // Get raw process name and check whether it includes .exe suffix |
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434 TBool includesExecutableSuffix = EFalse; |
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435 HBufC* rawProcessName = GetProcessNameLC( aProcess, includesExecutableSuffix ); |
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436 if ( includesExecutableSuffix ) |
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437 { |
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438 iFlags |= EFlagsIncludedExecutableWithinName; |
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439 } |
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440 |
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441 // Format priority as string |
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442 TBuf<10> priority; |
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443 AppendPriority( priority, iPriority ); |
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444 |
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445 // Convert the full name to the format we want in the UI |
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446 TBuf<KMaxFullName + 60> name; |
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447 TMemSpyTruncateOverflow overflow; |
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448 |
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449 // FOR ALIVE PROCESSES: |
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450 // |
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451 // 1] Space, followed by tab |
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452 // 2] Process name (minus .exe) |
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453 // 3] Tab, Tab |
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454 // 4] Process uid |
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455 // 5] Thread count |
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456 // 6] Process priority |
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457 // |
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458 // FOR DEAD PROCESSES: |
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459 // |
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460 // 1] Space, followed by tab |
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461 // 2] Process name (minus .exe) |
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462 // 3] Tab, Tab |
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463 // 4] Process uid |
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464 // 5] Exit info |
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465 |
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466 // Common |
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467 _LIT( KMemSpyProcessNameFormatSpecBasicName, " \t%S\t\t%8x, " ); |
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468 name.AppendFormat( KMemSpyProcessNameFormatSpecBasicName, &overflow, rawProcessName, iInfo->SID() ); |
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469 CleanupStack::PopAndDestroy( rawProcessName ); |
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470 |
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471 if ( IsDead() ) |
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472 { |
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473 CMemSpyThread::AppendExitInfo( name, iExitType, iExitReason, iExitCategory ); |
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474 } |
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475 else |
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476 { |
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477 _LIT( KMemSpyProcessNameFormatSpecAlive, "%2d thr, %S" ); |
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478 name.AppendFormat( KMemSpyProcessNameFormatSpecAlive, &overflow, iThreads.Count(), &priority ); |
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479 } |
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480 |
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481 // Save end result |
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482 HBufC* finalName = name.AllocL(); |
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483 delete iName; |
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484 iName = finalName; |
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485 } |
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486 |
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487 |
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488 void CMemSpyProcess::SetDeadL() |
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489 { |
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490 RefreshL(); |
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491 } |
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492 |
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493 |
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494 void CMemSpyProcess::SetDeadL( const RProcess& aProcess ) |
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495 { |
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496 RefreshL( aProcess ); |
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497 } |
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498 |
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499 |
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500 EXPORT_C TBool CMemSpyProcess::IsDead() const |
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501 { |
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502 const TBool isDead = ( iExitType != EExitPending ); |
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503 return isDead; |
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504 } |
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505 |
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506 |
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507 EXPORT_C TUint32 CMemSpyProcess::SID() const |
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508 { |
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509 return iInfo->SID(); |
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510 } |
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511 |
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512 |
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513 EXPORT_C TUint32 CMemSpyProcess::VID() const |
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514 { |
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515 return iInfo->VID(); |
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516 } |
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517 |
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518 EXPORT_C TProcessPriority CMemSpyProcess::Priority() const |
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519 { |
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520 return iPriority; |
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521 } |
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522 |
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523 EXPORT_C TExitCategoryName CMemSpyProcess::ExitCategory() const |
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524 { |
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525 return iExitCategory; |
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526 } |
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527 |
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528 EXPORT_C TInt CMemSpyProcess::ExitReason() const |
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529 { |
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530 return iExitReason; |
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531 } |
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532 |
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533 EXPORT_C TExitType CMemSpyProcess::ExitType() const |
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534 { |
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535 return iExitType; |
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536 } |
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537 |
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538 EXPORT_C TUidType CMemSpyProcess::UIDs() const |
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539 { |
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540 return iInfo->iUids; |
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541 } |
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542 |
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543 |
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544 EXPORT_C SCapabilitySet CMemSpyProcess::Capabilities() const |
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545 { |
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546 return iInfo->iSecurityInfo.iCaps; |
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547 } |
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548 |
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549 void CMemSpyProcess::FullName( TDes& aFullName ) const |
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550 { |
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551 // c32exe.exe[101f7989]0001 |
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552 aFullName.Zero(); |
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553 aFullName.Append( Name() ); |
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554 if ( iFlags & EFlagsIncludedExecutableWithinName ) |
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555 { |
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556 // Add .exe |
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557 aFullName.Append( KMemSpyStandardProcessExtension ); |
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558 } |
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559 |
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560 aFullName.Append( '[' ); |
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561 aFullName.AppendNumFixedWidth( iInfo->iUids[ 2 ].iUid, EHex, 8 ); |
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562 aFullName.Append( ']' ); |
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563 aFullName.AppendNumFixedWidth( iInfo->iGeneration, EDecimal, 4 ); |
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564 } |
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565 |
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566 |
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567 void CMemSpyProcess::HandleThreadIsBornL( const TThreadId& aId ) |
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568 { |
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569 // A new thread has been created in this process. Just in case, we'll |
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570 // check there isn't already an existing thread with the same id... |
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571 const TInt index = ThreadIndexById( aId ); |
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572 if ( index < 0 ) |
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573 { |
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574 TRAP_IGNORE( |
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575 CMemSpyThread* threadObj = CMemSpyThread::NewLC( aId, *this ); |
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576 iThreads.AppendL( threadObj ); |
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577 CleanupStack::Pop( threadObj ); |
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578 ); |
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579 } |
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580 } |
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581 |
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582 |
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583 HBufC* CMemSpyProcess::GetProcessNameLC( const RProcess& aProcessOrNull, TBool& aProcessNameIncludesExeSuffix ) const |
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584 { |
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585 _LIT( KMemSpySquareBraceOpen, "[" ); |
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586 // |
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587 TFullName processName; |
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588 |
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589 // Assume the flags have already been set once previously in order to form default response |
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590 aProcessNameIncludesExeSuffix = ( iFlags & EFlagsIncludedExecutableWithinName ); |
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591 |
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592 const TBool handleValid = aProcessOrNull.Handle() != KNullHandle; |
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593 if ( handleValid ) |
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594 { |
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595 // Easy case - we have a valid thread handle... |
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596 // |
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597 // Get full name, e.g.: |
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598 // |
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599 // c32exe.exe[101f7989]0001 |
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600 aProcessOrNull.FullName( processName ); |
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601 |
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602 // ... but we need to clean up the name so that it |
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603 // doesn't include the process UID, and neither does it |
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604 // include the extension (.exe). |
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605 TInt pos = processName.FindF( KMemSpySquareBraceOpen ); |
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606 if ( pos > 0 ) |
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607 { |
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608 processName.SetLength( pos ); |
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609 } |
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610 |
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611 // Discard '.exe' |
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612 pos = processName.FindF( KMemSpyStandardProcessExtension ); |
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613 if ( pos > 0 ) |
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614 { |
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615 aProcessNameIncludesExeSuffix = ETrue; |
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616 processName.SetLength( pos ); |
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617 } |
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618 } |
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619 else |
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620 { |
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621 // Since we don't have the possibility to enquire after the process's name |
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622 // we'll assume that it used to be alive and therefore at some point we did |
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623 // manage to grep it's name... |
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624 if ( iName ) |
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625 { |
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626 const TPtrC pOriginalName( Name() ); |
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627 processName.Append( pOriginalName ); |
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628 } |
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629 else |
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630 { |
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631 // Don't have a process handle, don't have any possibility to get the |
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632 // name from a prior cached version. Must use "unknown" |
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633 processName.Append( KMemSpyUnknownProcessName ); |
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634 } |
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635 } |
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636 // |
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637 HBufC* ret = processName.AllocLC(); |
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638 return ret; |
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639 } |
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640 |
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641 |
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642 void CMemSpyProcess::CloseAllThreads() |
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643 { |
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644 const TInt count = iThreads.Count(); |
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645 for(TInt i=count-1; i>=0; i--) |
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646 { |
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647 CMemSpyThread* thread = iThreads[ i ]; |
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648 thread->Close(); |
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649 } |
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650 } |
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651 |
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