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1 // Copyright (c) 1997-2009 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 the License "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 // e32test\system\d_nanowait.cpp |
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15 // LDD for testing nanosecond blocking |
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16 // |
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17 // |
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18 |
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19 #include "plat_priv.h" |
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20 #include "d_nanowait.h" |
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21 |
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22 const TInt KMajorVersionNumber=0; |
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23 const TInt KMinorVersionNumber=1; |
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24 const TInt KBuildVersionNumber=1; |
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25 |
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26 |
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27 // global Dfc Que |
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28 TDynamicDfcQue* gDfcQ; |
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29 |
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30 |
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31 class DNanoWaitFactory : public DLogicalDevice |
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32 // |
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33 // NanoWait LDD factory |
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34 // |
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35 { |
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36 public: |
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37 DNanoWaitFactory(); |
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38 ~DNanoWaitFactory(); |
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39 virtual TInt Install(); //overriding pure virtual |
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40 virtual void GetCaps(TDes8& aDes) const; //overriding pure virtual |
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41 virtual TInt Create(DLogicalChannelBase*& aChannel); //overriding pure virtual |
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42 }; |
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43 |
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44 class DNanoWait : public DLogicalChannel |
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45 // |
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46 // nanowait LDD channel |
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47 // |
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48 { |
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49 public: |
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50 DNanoWait(); |
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51 ~DNanoWait(); |
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52 protected: |
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53 virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer); |
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54 TInt DoControl(TInt aFunction, TAny* a1, TAny* a2); |
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55 virtual void HandleMsg(TMessageBase* aMsg); |
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56 public: |
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57 inline DThread* Client() { return iThread; } |
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58 public: |
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59 DThread* iThread; |
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60 TDynamicDfcQue* iDfcQ; |
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61 }; |
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62 |
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63 |
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64 |
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65 DECLARE_STANDARD_LDD() |
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66 { |
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67 return new DNanoWaitFactory; |
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68 } |
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69 |
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70 DNanoWaitFactory::DNanoWaitFactory() |
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71 // |
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72 // Constructor |
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73 // |
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74 { |
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75 iVersion=TVersion(KMajorVersionNumber,KMinorVersionNumber,KBuildVersionNumber); |
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76 //iParseMask=0;//No units, no info, no PDD |
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77 //iUnitsMask=0;//Only one thing |
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78 } |
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79 |
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80 TInt DNanoWaitFactory::Create(DLogicalChannelBase*& aChannel) |
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81 // |
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82 // Create a new DMsTim on this logical device |
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83 // |
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84 { |
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85 aChannel=new DNanoWait; |
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86 return aChannel?KErrNone:KErrNoMemory; |
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87 } |
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88 |
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89 const TInt KDNanoWaitThreadPriority = 27; |
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90 _LIT(KDNanoWaitThread,"DNanoWaitThread"); |
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91 |
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92 TInt DNanoWaitFactory::Install() |
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93 // |
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94 // Install the LDD - overriding pure virtual |
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95 // |
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96 { |
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97 // Allocate a kernel thread to run the DFC |
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98 TInt r = Kern::DynamicDfcQCreate(gDfcQ, KDNanoWaitThreadPriority, KDNanoWaitThread); |
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99 |
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100 #ifdef CPU_AFFINITY_ANY |
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101 NKern::ThreadSetCpuAffinity((NThread*)(gDfcQ->iThread), KCpuAffinityAny); |
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102 #endif |
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103 |
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104 if (r != KErrNone) |
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105 return r; |
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106 |
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107 return SetName(&KNanoWaitLddName); |
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108 } |
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109 |
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110 void DNanoWaitFactory::GetCaps(TDes8& aDes) const |
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111 // |
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112 // Get capabilities - overriding pure virtual |
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113 // |
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114 { |
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115 TCapsNanoWaitV01 b; |
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116 b.iVersion=TVersion(KMajorVersionNumber,KMinorVersionNumber,KBuildVersionNumber); |
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117 Kern::InfoCopy(aDes,(TUint8*)&b,sizeof(b)); |
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118 } |
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119 |
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120 /** |
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121 Destructor |
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122 */ |
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123 DNanoWaitFactory::~DNanoWaitFactory() |
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124 { |
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125 if (gDfcQ) |
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126 gDfcQ->Destroy(); |
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127 } |
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128 |
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129 DNanoWait::DNanoWait() |
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130 // |
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131 // Constructor |
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132 // |
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133 { |
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134 iThread=&Kern::CurrentThread(); |
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135 iThread->Open(); |
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136 } |
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137 |
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138 TInt DNanoWait::DoCreate(TInt /*aUnit*/, const TDesC8* /*anInfo*/, const TVersion& aVer) |
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139 // |
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140 // Create channel |
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141 // |
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142 { |
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143 |
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144 if (!Kern::QueryVersionSupported(TVersion(KMajorVersionNumber,KMinorVersionNumber,KBuildVersionNumber),aVer)) |
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145 return KErrNotSupported; |
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146 SetDfcQ(gDfcQ); |
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147 iMsgQ.Receive(); |
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148 return KErrNone; |
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149 } |
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150 |
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151 DNanoWait::~DNanoWait() |
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152 // |
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153 // Destructor |
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154 // |
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155 { |
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156 Kern::SafeClose((DObject*&)iThread, NULL); |
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157 } |
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158 |
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159 void DNanoWait::HandleMsg(TMessageBase* aMsg) |
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160 { |
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161 TInt r=KErrNone; |
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162 TThreadMessage& m=*(TThreadMessage*)aMsg; |
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163 TInt id=m.iValue; |
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164 if (id==(TInt)ECloseMsg) |
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165 { |
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166 m.Complete(KErrNone,EFalse); |
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167 iMsgQ.CompleteAll(KErrServerTerminated); |
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168 return; |
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169 } |
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170 else |
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171 { |
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172 r=DoControl(id,m.Ptr0(),m.Ptr1()); |
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173 } |
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174 m.Complete(r,ETrue); |
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175 } |
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176 |
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177 TInt DNanoWait::DoControl(TInt aFunction, TAny* a1, TAny* a2) |
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178 { |
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179 TInt r=KErrNone; |
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180 TInt interval=(TInt)a2; |
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181 switch (aFunction) |
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182 { |
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183 case RNanoWait::EControlStartNanoWait: |
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184 { |
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185 TInt loopCount=(TInt)a1; |
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186 for( int loop = 0; loop < loopCount; loop++) |
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187 { |
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188 Kern::NanoWait(interval); |
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189 } |
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190 break; |
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191 } |
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192 default: |
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193 r=KErrNotSupported; |
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194 break; |
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195 } |
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196 return r; |
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197 } |
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198 |