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1 // Copyright (c) 2008-2009 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 // The Symbian OS porting layer - multi-threaded implementation. |
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15 // Platform dependend implementation of the static mutexes and the file session API. |
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16 // |
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17 // |
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18 |
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19 /** |
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20 @file |
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21 */ |
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22 #include "os_symbian.h" |
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23 |
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24 #ifdef SQLITE_OS_SYMBIAN |
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25 |
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26 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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27 ////////////////////////// TStaticFs ///////////////////////////////////////////////////////////////////////////////////////// |
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28 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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29 |
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30 /** |
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31 Single global RFs instance |
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32 |
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33 @see TStaticFs |
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34 |
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35 @internalComponent |
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36 */ |
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37 static TStaticFs TheFs; |
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38 |
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39 /** |
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40 Connects the RFs. |
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41 If the operation fails, the program will be terminated. |
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42 |
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43 @see TStaticFs |
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44 */ |
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45 TStaticFs::TStaticFs() |
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46 { |
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47 TInt err = Connect(); |
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48 if(err != KErrNone) |
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49 { |
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50 RDebug::Print(_L("===SQLITE OS porting layer, file session creation has failed with err=%d.\r\n"), err); |
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51 User::Exit(err); |
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52 } |
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53 } |
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54 |
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55 /** |
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56 Returns a reference to the already created global RFs object. |
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57 |
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58 @return RFs reference |
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59 |
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60 @panic SqliteMt 3 Invalid RFs handle |
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61 |
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62 @see TStaticFs |
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63 */ |
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64 RFs& TStaticFs::Fs() |
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65 { |
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66 __ASSERT_DEBUG(TheFs.iFs.Handle() != KNullHandle, User::Panic(KPanicCategory, EPanicInvalidFs)); |
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67 return TheFs.iFs; |
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68 } |
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69 |
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70 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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71 ////////////////////////// TStaticMutex ////////////////////////////////////////////////////////////////////////////////////// |
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72 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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73 |
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74 /** |
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75 Global array of static mutexes. |
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76 |
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77 @see TStaticMutex |
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78 |
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79 @internalComponent |
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80 */ |
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81 static TStaticMutex TheStaticMutex[KStaticMutexCount]; |
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82 |
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83 /** |
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84 Creates the static mutexes. |
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85 If the creation fails, the program will be terminated. |
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86 |
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87 @see TStaticMutex |
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88 */ |
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89 TStaticMutex::TStaticMutex() |
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90 { |
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91 TInt err = Create(); |
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92 if(err != KErrNone) |
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93 { |
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94 RDebug::Print(_L("===SQLITE OS porting layer, static mutex creation has failed with err=%d.\r\n"), err); |
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95 User::Exit(err); |
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96 } |
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97 } |
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98 |
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99 sqlite3_mutex* StaticMutex(TInt aType) |
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100 { |
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101 __ASSERT_ALWAYS((TUint)aType < (sizeof(TheStaticMutex)/sizeof(TheStaticMutex[0])), User::Panic(KPanicCategory, EPanicInvalidMutexType)); |
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102 return &TheStaticMutex[aType]; |
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103 } |
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104 |
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105 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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106 ////////////////////////// sqlite3_vfs /////////////////////////////////////////////////////////////////////////////////// |
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107 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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108 |
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109 /** |
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110 Global sqlite3_vfs object. |
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111 |
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112 @see VfsApi |
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113 @see TVfs |
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114 |
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115 @internalComponent |
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116 */ |
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117 static sqlite3_vfs TheVfsApi = |
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118 { |
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119 /*iVersion =*/ 1, |
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120 /*szOsFile =*/ sizeof(TDbFile), |
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121 /*mxPathname =*/ KMaxFileName, |
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122 /*pNext =*/ NULL, |
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123 /*zName =*/ "SymbianSqliteMt", |
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124 /*pAppData =*/ NULL, |
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125 /*xOpen =*/ &TVfs::Open, |
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126 /*xDelete =*/ &TVfs::Delete, |
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127 /*xAccess =*/ &TVfs::Access, |
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128 /*xFullPathname =*/ &TVfs::FullPathName, |
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129 /*xDlOpen =*/ NULL, |
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130 /*xDlError =*/ NULL, |
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131 /*xDlSym =*/ NULL, |
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132 /*xDlClose =*/ NULL, |
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133 /*xRandomness =*/ &TVfs::Randomness, |
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134 /*xSleep =*/ &TVfs::Sleep, |
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135 /*xCurrentTime =*/ &TVfs::CurrentTime, |
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136 /*xGetLastError =*/ &TVfs::GetLastError |
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137 }; |
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138 |
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139 sqlite3_vfs* VfsApi() |
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140 { |
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141 return &TheVfsApi; |
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142 } |
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143 |
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144 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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145 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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146 |
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147 #endif//SQLITE_OS_SYMBIAN |