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1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include <startupproperties.h> |
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17 #include "startsafe.h" |
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18 #include "restartsys.h" |
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19 #include <apastarter.h> |
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20 |
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21 #include "shmadebug.h" |
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22 #include "shmapanic.h" |
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23 |
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24 _LIT(KApStartDLL, "apstart.dll"); |
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25 typedef CApaStarter* (*TFuncNewL)(void); |
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26 |
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27 const TInt KStartSafeMilliToMicro = 1000; |
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28 const TInt KStartSafeRestartTimeout = 5000000; |
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29 const TUint64 KStartSafeNullThreadId = 0; |
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30 |
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31 #ifdef SYMBIAN_SSM_GRACEFUL_SHUTDOWN |
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32 _LIT(KRestartSysProxyDLL, "restartsys.dll"); |
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33 _LIT(KCustomisedRestartSysProxyDLL, "custrestartsys.dll"); |
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34 typedef TInt (*TFuncRestartL)(void); |
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35 typedef TInt (*TFuncRestartWithModeL)(TInt); |
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36 #endif //SYMBIAN_SSM_GRACEFUL_SHUTDOWN |
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37 |
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38 /** |
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39 Used to create an instance of CStartSafe class |
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40 @return An instance of CStartSafe |
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41 @internalTechnology |
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42 @deprecated |
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43 */ |
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44 EXPORT_C CStartSafe* CStartSafe::NewL() |
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45 { |
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46 CStartSafe* startSafe = new(ELeave) CStartSafe(); |
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47 CleanupStack::PushL( startSafe ); |
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48 |
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49 startSafe->ConstructL(); |
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50 |
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51 CleanupStack::Pop( startSafe ); |
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52 return startSafe; |
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53 } |
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54 |
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55 CStartSafe::CStartSafe() |
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56 { |
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57 } |
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58 |
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59 |
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60 void CStartSafe::ConstructL() |
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61 { |
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62 LoadApStartLibL(); |
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63 } |
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64 |
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65 |
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66 CStartSafe::~CStartSafe() |
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67 { |
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68 delete iApaStarter; |
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69 |
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70 iApStartLib.Close(); |
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71 #ifdef SYMBIAN_SSM_GRACEFUL_SHUTDOWN |
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72 iRestartSysLib.Close(); |
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73 #endif //SYMBIAN_SSM_GRACEFUL_SHUTDOWN |
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74 } |
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75 |
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76 |
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77 |
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78 /** |
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79 Used to start a process or application and initiate monitoring. |
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80 Use this for EFireAndForget or EWaitForStart. The case of EDeferredWaitForStart |
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81 is treated as for EFireAndForget. |
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82 The number-of-retries parameter in aStartupProperties applies to the startup procedure. |
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83 If monitoring is not successfully setup, the started process is killed and this function |
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84 leaves with the error code supplied by the system-monitor. |
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85 |
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86 @param aStartupProperties Startup properties provided by the caller. |
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87 @param aProcess The newly created process. |
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88 @param aNumRetried The number of retries made in starting the process. |
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89 @leave KErrArgument if the monitor flag is not set in aStartupProperties. |
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90 @leave Another of the system-wide error codes |
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91 |
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92 @internalTechnology |
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93 @deprecated |
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94 */ |
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95 EXPORT_C void CStartSafe::StartAndMonitorL( const CStartupProperties &aStartupProperties, RProcess& aProcess, TInt& aNumRetried ) |
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96 { |
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97 |
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98 if( !aStartupProperties.Monitored() ) |
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99 { |
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100 User::Leave( KErrArgument ); |
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101 } |
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102 |
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103 |
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104 RSysMonSession sysMon; |
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105 CleanupClosePushL( sysMon ); |
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106 sysMon.OpenL(); |
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107 |
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108 StartL( aStartupProperties, aProcess, aNumRetried ); |
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109 TRAPD( err, sysMon.MonitorL( aStartupProperties, aProcess ) ); |
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110 |
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111 if( KErrNone != err ) |
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112 { |
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113 aProcess.Kill( err ); |
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114 User::Leave( err ); |
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115 } |
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116 |
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117 CleanupStack::PopAndDestroy( &sysMon ); |
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118 } |
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119 |
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120 |
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121 |
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122 /** |
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123 Used to start a process or application using EFireAndForget or EWaitForStart. |
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124 The case of EDeferredWaitForStart is treated as EFireAndForget. |
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125 |
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126 @param aStartupProperties Startup properties provided by the caller. |
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127 @param aProcess The newly created process. |
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128 @param aNumRetried Number of retries made for starting the process. |
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129 @panic ETimerValueInvalid if the timer value is invalid(<0) |
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130 @leave KErrNoMemory if no memory. |
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131 @leave KErrArgument if the TStartMethod enumeration in aStartupProperties is out of range. |
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132 @leave KErrTimedOut if the Application or process failed to rendezvous within the interval specified in aStartupProperties. |
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133 @leave KErrAbort if the startup and rendezvous was unsuccessful _and the call to restart the system was also unsuccessful. |
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134 Otherwise,one of the system-wide error codes |
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135 @internalTechnology |
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136 @deprecated |
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137 */ |
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138 EXPORT_C void CStartSafe::StartL( const CStartupProperties &aStartupProperties, RProcess& aProcess, TInt& aNumRetried ) |
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139 { |
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140 |
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141 TInt err = KErrNone; |
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142 |
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143 aNumRetried = 0; |
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144 |
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145 switch( aStartupProperties.StartMethod() ) |
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146 { |
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147 |
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148 case EDeferredWaitForStart: |
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149 case EFireAndForget: |
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150 TRAP( err, DoFireAndForgetL( aStartupProperties, aProcess ) ); |
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151 break; |
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152 |
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153 case EWaitForStart: |
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154 TRAP( err, DoWaitForStartL( aStartupProperties, aProcess, aNumRetried ) ); |
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155 break; |
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156 |
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157 default: |
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158 User::Leave( KErrArgument); |
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159 break; |
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160 } |
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161 |
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162 |
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163 if ( KErrNone != err ) |
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164 { |
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165 InstituteRestartL( aStartupProperties ); |
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166 |
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167 User::Leave( err ); |
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168 } |
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169 |
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170 } |
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171 |
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172 |
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173 |
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174 /** |
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175 Used to start a process or application using EDeferredWaitForStart. |
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176 Note: Retries are not attempted in this asynchronous form of the function. |
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177 |
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178 @param aStartupProperties Startup properties provided by the caller. |
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179 @param aProcess The newly created process. |
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180 @param aCommandTrs The request-status which is completed by the process rendezvous, or by this function in case of error. |
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181 @leave KErrNotSupported if ApStart is not installed on the device. |
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182 @leave KErrArgument if the CStartupProperties StartupType is not recognised, otherwise one of the system-wide error codes |
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183 @internalTechnology |
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184 @deprecated |
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185 */ |
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186 EXPORT_C void CStartSafe::StartL( const CStartupProperties &aStartupProperties, RProcess& aProcess, TRequestStatus& aCommandTrs ) |
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187 { |
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188 |
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189 TInt err = KErrNone; |
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190 |
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191 |
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192 switch( aStartupProperties.StartupType() ) |
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193 { |
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194 case EStartApp: |
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195 { |
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196 // Guard against the case where there is no Apparc |
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197 if( !iApaStarter ) |
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198 { |
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199 User::Leave( KErrNotSupported ); |
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200 } |
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201 |
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202 TThreadId threadId( KStartSafeNullThreadId ); |
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203 |
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204 TRAP( err, |
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205 { |
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206 iApaStarter->StartAppL( aStartupProperties.FileName(), |
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207 aStartupProperties.Args(), |
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208 aStartupProperties.Viewless(), |
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209 aStartupProperties.StartInBackground(), |
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210 threadId, aCommandTrs ); |
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211 } ); |
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212 |
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213 // In the case of error here, we know Apparc has _not called RProcess::Rendezvous( aCommandTrs ) |
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214 // on the process yet, so we must complete the TRS. |
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215 if ( KErrNone != err ) |
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216 { |
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217 TRequestStatus* errorTrs = &aCommandTrs; |
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218 User::RequestComplete( errorTrs, err ); |
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219 |
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220 InstituteRestartL( aStartupProperties ); |
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221 } |
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222 |
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223 // In the case of error here, we know Apparc _has called RProcess::Rendezvous( aCommandTrs ) on the process, |
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224 // so do not complete the TRS, just leave. |
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225 TRAP( err, GetProcessHandleL(aProcess, threadId) ); |
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226 |
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227 if( KErrNone != err ) |
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228 { |
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229 InstituteRestartL( aStartupProperties ); |
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230 } |
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231 |
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232 } |
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233 break; |
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234 |
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235 case EStartProcess: |
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236 { |
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237 err = aProcess.Create( aStartupProperties.FileName(), aStartupProperties.Args() ); |
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238 |
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239 if ( KErrNone == err ) |
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240 { |
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241 aProcess.Rendezvous( aCommandTrs ); |
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242 // aProcess has not been Resumed yet |
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243 // but Rendezvous _can complete with KErrNoMemory, hence:- |
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244 if( aCommandTrs == KRequestPending ) |
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245 { |
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246 aProcess.Resume(); |
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247 } |
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248 else |
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249 { |
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250 aProcess.Kill( KErrGeneral ); |
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251 |
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252 InstituteRestartL( aStartupProperties ); |
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253 // If a restart is specified, this Leave will not be called, but if a restart is not specified, |
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254 // InstituteRestartL() returns, therefore communicate the error by leaving with the TRS's value. |
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255 User::Leave( aCommandTrs.Int() ); |
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256 } |
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257 |
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258 } |
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259 else |
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260 { |
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261 InstituteRestartL( aStartupProperties ); |
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262 // If a restart is specified, this Leave will not be called, but if a restart is not specified, |
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263 // InstituteRestartL() returns, therefore communicate the error by leaving with err. |
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264 User::Leave( err ); |
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265 } |
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266 |
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267 } |
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268 break; |
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269 |
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270 default: |
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271 User::Leave( KErrArgument ); |
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272 break; |
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273 } |
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274 |
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275 } |
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276 |
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277 |
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278 |
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279 /** |
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280 Waits for AppArc Server initialise. |
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281 Note: This function is synchronous. |
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282 @param aStatus Command Status |
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283 @return TInt system error code |
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284 @internalTechnology |
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285 @deprecated |
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286 */ |
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287 EXPORT_C void CStartSafe::InitAppArcServer( TRequestStatus& aStatus ) |
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288 { |
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289 |
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290 TRequestStatus* pStatus = &aStatus; |
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291 |
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292 // Guard against the case where there is no Apparc. |
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293 if( !iApaStarter ) |
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294 { |
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295 User::RequestComplete( pStatus, KErrNotSupported ); |
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296 return; |
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297 } |
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298 |
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299 |
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300 TRAPD( err, iApaStarter->WaitForApparcToInitialiseL() ); |
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301 User::RequestComplete( pStatus, err ); |
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302 } |
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303 |
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304 |
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305 |
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306 /** |
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307 Make a call to restart the system. |
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308 |
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309 RestartSys currently requires the guard-time KStartSafeRestartTimeout. |
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310 The Leave() should never eventuate, except in case of a restart problem. |
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311 */ |
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312 void CStartSafe::InstituteRestartL( const CStartupProperties& aStartupProperties ) |
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313 { |
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314 |
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315 switch( aStartupProperties.RecoveryMethod() ) |
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316 { |
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317 case ERestartOS: |
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318 #ifdef SYMBIAN_SSM_GRACEFUL_SHUTDOWN |
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319 RestartSysDllL(EFalse); |
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320 #else |
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321 User::LeaveIfError(RestartSys::RestartSystem()); |
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322 User::After( KStartSafeRestartTimeout ); |
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323 User::Leave( KErrAbort ); |
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324 #endif //SYMBIAN_SSM_GRACEFUL_SHUTDOWN |
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325 break; |
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326 |
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327 case ERestartOSWithMode: |
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328 #ifdef SYMBIAN_SSM_GRACEFUL_SHUTDOWN |
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329 RestartSysDllL(ETrue, aStartupProperties.RestartMode()); |
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330 #else |
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331 User::LeaveIfError( RestartSys::RestartSystem( aStartupProperties.RestartMode() ) ); |
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332 User::After( KStartSafeRestartTimeout ); |
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333 User::Leave( KErrAbort ); |
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334 #endif //SYMBIAN_SSM_GRACEFUL_SHUTDOWN |
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335 break; |
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336 |
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337 case EIgnoreOnFailure: |
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338 default: |
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339 break; |
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340 } |
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341 |
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342 } |
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343 |
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344 TInt CStartSafe::AwaitRendezvous( RProcess& aProcess, TInt aTimeout ) |
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345 { |
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346 __ASSERT_DEBUG( aTimeout >= 0, PanicNow(KPanicStartSafe, ETimerValueInvalid) ); |
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347 |
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348 TInt err = KErrNone; |
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349 TRequestStatus processTrs; |
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350 |
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351 // Initiate the rendezvous |
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352 aProcess.Rendezvous( processTrs ); |
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353 |
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354 // Ensure it hasn't completed immediately, eg KErrNoMemory |
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355 if( processTrs == KRequestPending ) |
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356 { |
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357 aProcess.Resume(); |
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358 |
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359 if ( KStartSafeNoTimeout == aTimeout ) |
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360 { |
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361 // Wait unconditionally |
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362 User::WaitForRequest( processTrs ); |
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363 ShootBadProcess( aProcess, processTrs ); |
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364 } |
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365 else |
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366 { |
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367 RTimer timer; |
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368 err = timer.CreateLocal(); |
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369 |
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370 if( KErrNone == err ) |
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371 { |
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372 TRequestStatus timerTrs; |
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373 |
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374 timer.After( timerTrs, TTimeIntervalMicroSeconds32(aTimeout * KStartSafeMilliToMicro) ); |
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375 User::WaitForRequest( timerTrs, processTrs ); |
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376 |
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377 if( processTrs != KRequestPending ) |
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378 { |
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379 // Rendezvous completed within the timeout period. |
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380 timer.Cancel(); |
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381 User::WaitForRequest( timerTrs ); |
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382 ShootBadProcess( aProcess, processTrs ); |
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383 } |
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384 else |
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385 { |
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386 // Timer completed. Ensure it completed successfully |
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387 if( timerTrs == KErrNone ) |
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388 { |
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389 // Rendezvous timed out |
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390 aProcess.Kill( KErrTimedOut ); |
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391 } |
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392 // Wait for the Kill() to be signalled. |
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393 // Or if the timer completed with an error, wait unconditionally |
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394 User::WaitForRequest( processTrs ); |
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395 } |
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396 } |
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397 else |
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398 { |
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399 // Creating the timer was unsuccessful so we must wait unconditionally after all. |
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400 User::WaitForRequest( processTrs ); |
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401 ShootBadProcess( aProcess, processTrs ); |
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402 } |
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403 |
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404 timer.Close(); |
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405 } |
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406 |
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407 } |
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408 else |
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409 { |
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410 // The rendezvous completed before the call to ::Resume(). Perhaps KErrNoMemory |
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411 // The process exit reason should provide the return value KErrGeneral; |
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412 aProcess.Kill( KErrGeneral ); |
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413 User::WaitForRequest( processTrs ); |
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414 } |
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415 |
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416 |
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417 |
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418 |
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419 // Various clauses make the exit-code derivation non-concise. |
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420 if( KErrNone == err ) |
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421 { |
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422 TInt exitType = aProcess.ExitType(); |
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423 TInt exitReason = 0; |
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424 |
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425 |
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426 if( EExitPanic == exitType ) |
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427 { |
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428 exitReason = aProcess.ExitReason(); |
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429 } |
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430 |
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431 // Guard against the potential ambiguity of the case where the process has been panicked with a reason of 0 |
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432 if( (EExitPanic == exitType) && (0 == exitReason) ) |
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433 { |
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434 err = KErrGeneral; |
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435 } |
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436 else |
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437 { |
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438 // If the process panicked, the trs will have been completed with KErrNone (ie 0), so return the exitReason |
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439 err = ( EExitPanic == exitType ) ? exitReason : processTrs.Int(); |
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440 } |
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441 } |
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442 |
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443 return err; |
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444 } |
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445 |
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446 |
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447 |
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448 /** |
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449 Await completion of the TRS either unconditionally, or allow aTimeout for aProcess to start. |
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450 */ |
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451 TInt CStartSafe::AwaitProcessStartup( RProcess& aProcess, TInt aTimeout, TRequestStatus& aCommandTrs ) |
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452 { |
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453 __ASSERT_DEBUG( aTimeout >= 0, PanicNow(KPanicStartSafe, ETimerValueInvalid)); |
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454 |
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455 TInt err = KErrNone; |
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456 |
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457 if ( KStartSafeNoTimeout == aTimeout ) |
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458 { |
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459 // Wait unconditionally. |
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460 User::WaitForRequest( aCommandTrs ); |
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461 ShootBadProcess( aProcess, aCommandTrs ); |
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462 } |
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463 else |
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464 { |
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465 RTimer timer; |
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466 err = timer.CreateLocal(); |
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467 |
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468 if( KErrNone == err ) |
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469 { |
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470 TRequestStatus timerTrs; |
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471 timer.After( timerTrs, TTimeIntervalMicroSeconds32(aTimeout * KStartSafeMilliToMicro) ); |
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472 |
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473 |
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474 User::WaitForRequest( timerTrs, aCommandTrs ); |
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475 |
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476 if( aCommandTrs != KRequestPending ) |
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477 { |
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478 // App started within the timeout period. |
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479 timer.Cancel(); |
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480 User::WaitForRequest( timerTrs ); |
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481 ShootBadProcess( aProcess, aCommandTrs ); |
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482 } |
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483 else |
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484 { |
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485 // App timed out. |
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486 aProcess.Kill( KErrTimedOut ); |
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487 User::WaitForRequest( aCommandTrs ); |
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488 } |
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489 |
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490 } |
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491 else |
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492 { |
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493 // Creating the timer was unsuccessful, so we must wait unconditionally after all. |
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494 User::WaitForRequest( aCommandTrs ); |
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495 ShootBadProcess( aProcess, aCommandTrs ); |
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496 } |
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497 |
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498 timer.Close(); |
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499 } |
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500 |
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501 |
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502 // Various clauses make the exit-code derivation non-concise. |
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503 if ( KErrNone == err ) |
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504 { |
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505 TInt exitType = aProcess.ExitType(); |
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506 TInt exitReason = 0; |
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507 |
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508 |
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509 if( EExitPanic == exitType ) |
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510 { |
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511 exitReason = aProcess.ExitReason(); |
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512 } |
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513 |
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514 // Guard against the potential ambiguity of the case where the process has been panicked with a reason of 0 |
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515 if( (EExitPanic == exitType) && (0 == exitReason) ) |
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516 { |
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517 err = KErrGeneral; |
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518 } |
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519 else |
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520 { |
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521 err = ( EExitPanic == exitType ) ? exitReason : aCommandTrs.Int(); |
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522 } |
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523 |
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524 } |
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525 |
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526 |
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527 return err; |
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528 } |
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529 |
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530 |
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531 |
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532 void CStartSafe::DoFireAndForgetL( const CStartupProperties& aStartupProperties, RProcess& aProcess ) |
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533 { |
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534 |
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535 switch( aStartupProperties.StartupType() ) |
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536 { |
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537 case EStartApp: |
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538 DoStartAppL( aStartupProperties, aProcess ); |
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539 break; |
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540 |
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541 case EStartProcess: |
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542 DoStartProcessL( aStartupProperties, aProcess ); |
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543 break; |
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544 |
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545 default : |
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546 User::Leave( KErrArgument ); |
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547 break; |
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548 } |
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549 |
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550 } |
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551 |
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552 |
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553 |
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554 void CStartSafe::DoWaitForStartL( const CStartupProperties& aStartupProperties, RProcess& aProcess, TInt& aNumRetried ) |
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555 { |
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556 |
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557 switch( aStartupProperties.StartupType() ) |
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558 { |
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559 case EStartApp: |
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560 User::LeaveIfError( DoStartAppWithRetries(aStartupProperties, aProcess, aNumRetried) ); |
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561 break; |
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562 |
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563 case EStartProcess: |
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564 User::LeaveIfError( DoStartProcessWithRetries(aStartupProperties, aProcess, aNumRetried) ); |
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565 break; |
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566 |
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567 default: |
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568 User::Leave( KErrArgument ); |
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569 break; |
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570 } |
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571 |
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572 } |
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573 |
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574 |
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575 |
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576 TInt CStartSafe::DoStartAppWithRetries( const CStartupProperties& aStartupProperties, RProcess& aProcess, TInt& aNumRetried ) |
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577 { |
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578 |
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579 // Guard against the case where there is no Apparc. |
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580 if( !iApaStarter ) |
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581 { |
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582 return KErrNotSupported; |
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583 } |
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584 |
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585 // Returned if NoOfRetries() is < 0. |
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586 TInt err = KErrArgument; |
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587 TRequestStatus commandTrs; |
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588 |
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589 // Note: 1 attempt plus NoOfRetries. So a NoOfRetries of 0 results in one attempt. |
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590 for( aNumRetried = 0; aNumRetried <= aStartupProperties.NoOfRetries(); aNumRetried++ ) |
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591 { |
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592 TThreadId threadId( KStartSafeNullThreadId ); |
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593 |
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594 TRAP( err, iApaStarter->StartAppL(aStartupProperties.FileName(), |
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595 aStartupProperties.Args(), |
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596 aStartupProperties.Viewless(), aStartupProperties.StartInBackground(), threadId, commandTrs) ); |
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597 |
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598 if( KErrNone != err ) |
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599 { |
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600 continue; |
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601 } |
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602 |
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603 TRAP( err, GetHandleAndWaitForProcessL(aStartupProperties, aProcess, threadId, commandTrs) ); |
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604 |
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605 if( KErrNone == err ) |
|
606 { |
|
607 break; |
|
608 } |
|
609 else if(aNumRetried != aStartupProperties.NoOfRetries()) |
|
610 { |
|
611 // If we are trying to restart the process on failure and this is not the last retry, |
|
612 // then process handle should be closed as it would be leaked otherwise. |
|
613 aProcess.Close(); |
|
614 } |
|
615 |
|
616 |
|
617 } |
|
618 |
|
619 return err; |
|
620 } |
|
621 |
|
622 |
|
623 |
|
624 void CStartSafe::GetProcessHandleL( RProcess& aProcess, const TThreadId& aThreadId ) |
|
625 { |
|
626 |
|
627 RThread thread; |
|
628 CleanupClosePushL( thread ); |
|
629 |
|
630 User::LeaveIfError( thread.Open(aThreadId) ); |
|
631 User::LeaveIfError( thread.Process(aProcess) ); |
|
632 |
|
633 CleanupStack::PopAndDestroy( &thread ); |
|
634 } |
|
635 |
|
636 |
|
637 |
|
638 void CStartSafe::GetHandleAndWaitForProcessL( const CStartupProperties& aStartupProperties, RProcess& aProcess, TThreadId& aThreadId, TRequestStatus& aCommandTrs ) |
|
639 { |
|
640 |
|
641 GetProcessHandleL( aProcess, aThreadId ); |
|
642 User::LeaveIfError( AwaitProcessStartup(aProcess, aStartupProperties.Timeout(), aCommandTrs) ); |
|
643 } |
|
644 |
|
645 |
|
646 |
|
647 TInt CStartSafe::DoStartProcessWithRetries( const CStartupProperties& aStartupProperties, RProcess& aProcess, TInt& aNumRetried ) |
|
648 { |
|
649 |
|
650 // Returned if NoOfRetries() is < 0. |
|
651 TInt err = KErrArgument; |
|
652 |
|
653 // Note: 1 attempt plus NoOfRetries. So NoOfRetries of 0 results in one attempt |
|
654 for( aNumRetried = 0; aNumRetried <= aStartupProperties.NoOfRetries(); aNumRetried++ ) |
|
655 { |
|
656 err = aProcess.Create( aStartupProperties.FileName(), aStartupProperties.Args() ); |
|
657 |
|
658 if ( KErrNone == err ) |
|
659 { |
|
660 // AwaitRendezvous() kills the process if unsuccessful. |
|
661 err = AwaitRendezvous( aProcess, aStartupProperties.Timeout() ); |
|
662 |
|
663 if( KErrNone == err ) |
|
664 { |
|
665 break; |
|
666 } |
|
667 else if(aNumRetried != aStartupProperties.NoOfRetries()) |
|
668 { |
|
669 // If we are trying to restart the process on failure and this is not the last retry, |
|
670 // then process handle should be closed as it would be leaked otherwise. |
|
671 aProcess.Close(); |
|
672 } |
|
673 } |
|
674 |
|
675 } |
|
676 |
|
677 |
|
678 return err; |
|
679 } |
|
680 |
|
681 |
|
682 |
|
683 void CStartSafe::DoStartAppL( const CStartupProperties& aStartupProperties, RProcess& aProcess ) |
|
684 { |
|
685 |
|
686 // Guard against the case where there is no Apparc |
|
687 if( !iApaStarter ) |
|
688 { |
|
689 User::Leave( KErrNotSupported ); |
|
690 } |
|
691 |
|
692 |
|
693 TThreadId threadId( KStartSafeNullThreadId ); |
|
694 |
|
695 iApaStarter->StartAppL( aStartupProperties.FileName(), |
|
696 aStartupProperties.Args(), |
|
697 aStartupProperties.Viewless(), |
|
698 aStartupProperties.StartInBackground(), |
|
699 threadId ); |
|
700 |
|
701 // We need the process information only if we want to monitor. |
|
702 if ( aStartupProperties.Monitored() || (aStartupProperties.StartMethod() == EDeferredWaitForStart) ) |
|
703 { |
|
704 GetProcessHandleL( aProcess, threadId ); |
|
705 } |
|
706 |
|
707 } |
|
708 |
|
709 |
|
710 |
|
711 void CStartSafe::DoStartProcessL( const CStartupProperties& aStartupProperties, RProcess& aProcess ) |
|
712 { |
|
713 User::LeaveIfError( aProcess.Create( aStartupProperties.FileName(), aStartupProperties.Args()) ); |
|
714 aProcess.Resume(); |
|
715 } |
|
716 |
|
717 |
|
718 |
|
719 /** |
|
720 Load the library. Locate and call the ordinal corresponding to CApStart::NewL(). |
|
721 |
|
722 Note: We do not leave in the case of being unable to load the libray, but assume Apparc is not present. |
|
723 iApaStarter is checked for NULL before use passim and appropriate error code supplied if it is. |
|
724 The return code is derived from the loader-server (Base) and is not closely specified in RLibrary docs or code. |
|
725 */ |
|
726 void CStartSafe::LoadApStartLibL() |
|
727 { |
|
728 |
|
729 if( KErrNone != iApStartLib.Load(KApStartDLL) ) |
|
730 { |
|
731 return; |
|
732 } |
|
733 |
|
734 TFuncNewL apStartNewL = reinterpret_cast<TFuncNewL>( iApStartLib.Lookup(1) ); |
|
735 |
|
736 iApaStarter = apStartNewL(); |
|
737 } |
|
738 |
|
739 |
|
740 |
|
741 /** |
|
742 See if the process rendezvoused with an error code and is still alive. If so then Kill() it. |
|
743 */ |
|
744 void CStartSafe::ShootBadProcess( RProcess& aProcess, const TRequestStatus& aStatus ) |
|
745 { |
|
746 // Permit positive values of aStatus which may be used for (non-error) information |
|
747 if( (aStatus < KErrNone) && (EExitPending == aProcess.ExitType()) ) |
|
748 { |
|
749 aProcess.Terminate( aStatus.Int() ); |
|
750 } |
|
751 |
|
752 } |
|
753 |
|
754 #ifdef SYMBIAN_SSM_GRACEFUL_SHUTDOWN |
|
755 void CStartSafe::RestartSysDllL(TBool aUseStartupMode, TInt aStartupMode) |
|
756 { |
|
757 if (!iRestartSysLoaded) |
|
758 { |
|
759 TInt err = iRestartSysLib.Load(KCustomisedRestartSysProxyDLL); |
|
760 // if customised restartsys dll is not provided, we try to load the default |
|
761 // restartsys dll |
|
762 if(KErrNotFound == err) |
|
763 { |
|
764 DEBUGPRINT1(_L("CStartSafe: Loading default restartsys.dll as custrestartsys.dll is not found")); |
|
765 err = iRestartSysLib.Load(KRestartSysProxyDLL); |
|
766 } |
|
767 if(KErrNone != err) |
|
768 { |
|
769 // restartsys dll (customised or defaut) should be present for ERestartOS and ERestartOSWithMode |
|
770 // recovery policies we panic here if it is not present |
|
771 DEBUGPRINT2(_L("CustRestartSys/ RestartSys failed to load - Error Code= %d"), err); |
|
772 PanicNow(KPanicMonitor, ERestartSysLibNotPresent); |
|
773 } |
|
774 iRestartSysLoaded = ETrue; |
|
775 } |
|
776 |
|
777 if (aUseStartupMode) |
|
778 { |
|
779 TFuncRestartWithModeL restartSys = reinterpret_cast<TFuncRestartWithModeL>(iRestartSysLib.Lookup(1)); |
|
780 if (restartSys == NULL) |
|
781 { |
|
782 DEBUGPRINT1(_L("CStartSafe: Ordinal Lookup Error\n Expected Function prototype: RestartSystem(TInt aStartupMode)")); |
|
783 User::Leave(KErrBadLibraryEntryPoint); |
|
784 } |
|
785 User::LeaveIfError(restartSys(aStartupMode)); // restart the system with give startup mode |
|
786 } |
|
787 else |
|
788 { |
|
789 TFuncRestartL restartSys = reinterpret_cast<TFuncRestartL>(iRestartSysLib.Lookup(2)); |
|
790 if (restartSys == NULL) |
|
791 { |
|
792 DEBUGPRINT1(_L("CStartSafe: Ordinal Lookup Error\n Expected Function prototype: RestartSystem()")); |
|
793 User::Leave(KErrBadLibraryEntryPoint); |
|
794 } |
|
795 User::LeaveIfError(restartSys()); // restart the system |
|
796 } |
|
797 |
|
798 User::After(KStartSafeRestartTimeout); |
|
799 User::Leave(KErrAbort); |
|
800 } |
|
801 #endif //SYMBIAN_SSM_GRACEFUL_SHUTDOWN |
|
802 |