1 /**************************************************************************** |
1 /**************************************************************************** |
2 ** |
2 ** |
3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
4 ** All rights reserved. |
4 ** All rights reserved. |
5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
6 ** |
6 ** |
7 ** This file is part of the QtCore module of the Qt Toolkit. |
7 ** This file is part of the QtCore module of the Qt Toolkit. |
8 ** |
8 ** |
1089 static inline int pathHashKey(QSettings::Format format, QSettings::Scope scope) |
1089 static inline int pathHashKey(QSettings::Format format, QSettings::Scope scope) |
1090 { |
1090 { |
1091 return int((uint(format) << 1) | uint(scope == QSettings::SystemScope)); |
1091 return int((uint(format) << 1) | uint(scope == QSettings::SystemScope)); |
1092 } |
1092 } |
1093 |
1093 |
1094 static QString getPath(QSettings::Format format, QSettings::Scope scope) |
1094 static void initDefaultPaths(QMutexLocker *locker) |
1095 { |
1095 { |
1096 Q_ASSERT((int)QSettings::NativeFormat == 0); |
1096 PathHash *pathHash = pathHashFunc(); |
1097 Q_ASSERT((int)QSettings::IniFormat == 1); |
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1098 |
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1099 QString homePath = QDir::homePath(); |
1097 QString homePath = QDir::homePath(); |
1100 QString systemPath; |
1098 QString systemPath; |
1101 |
1099 |
1102 QMutexLocker locker(globalMutex()); |
1100 locker->unlock(); |
1103 PathHash *pathHash = pathHashFunc(); |
1101 |
1104 bool loadSystemPath = pathHash->isEmpty(); |
1102 /* |
1105 locker.unlock(); |
1103 QLibraryInfo::location() uses QSettings, so in order to |
1106 |
1104 avoid a dead-lock, we can't hold the global mutex while |
1107 if (loadSystemPath) { |
1105 calling it. |
1108 /* |
1106 */ |
1109 QLibraryInfo::location() uses QSettings, so in order to |
1107 systemPath = QLibraryInfo::location(QLibraryInfo::SettingsPath); |
1110 avoid a dead-lock, we can't hold the global mutex while |
1108 systemPath += QLatin1Char('/'); |
1111 calling it. |
1109 |
1112 */ |
1110 locker->relock(); |
1113 systemPath = QLibraryInfo::location(QLibraryInfo::SettingsPath); |
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1114 systemPath += QLatin1Char('/'); |
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1115 } |
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1116 |
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1117 locker.relock(); |
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1118 if (pathHash->isEmpty()) { |
1111 if (pathHash->isEmpty()) { |
1119 /* |
1112 /* |
1120 Lazy initialization of pathHash. We initialize the |
1113 Lazy initialization of pathHash. We initialize the |
1121 IniFormat paths and (on Unix) the NativeFormat paths. |
1114 IniFormat paths and (on Unix) the NativeFormat paths. |
1122 (The NativeFormat paths are not configurable for the |
1115 (The NativeFormat paths are not configurable for the |
1153 pathHash->insert(pathHashKey(QSettings::NativeFormat, QSettings::UserScope), userPath); |
1146 pathHash->insert(pathHashKey(QSettings::NativeFormat, QSettings::UserScope), userPath); |
1154 pathHash->insert(pathHashKey(QSettings::NativeFormat, QSettings::SystemScope), systemPath); |
1147 pathHash->insert(pathHashKey(QSettings::NativeFormat, QSettings::SystemScope), systemPath); |
1155 #endif |
1148 #endif |
1156 #endif |
1149 #endif |
1157 } |
1150 } |
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1151 } |
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1152 |
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1153 static QString getPath(QSettings::Format format, QSettings::Scope scope) |
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1154 { |
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1155 Q_ASSERT((int)QSettings::NativeFormat == 0); |
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1156 Q_ASSERT((int)QSettings::IniFormat == 1); |
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1157 |
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1158 QMutexLocker locker(globalMutex()); |
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1159 PathHash *pathHash = pathHashFunc(); |
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1160 if (pathHash->isEmpty()) |
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1161 initDefaultPaths(&locker); |
1158 |
1162 |
1159 QString result = pathHash->value(pathHashKey(format, scope)); |
1163 QString result = pathHash->value(pathHashKey(format, scope)); |
1160 if (!result.isEmpty()) |
1164 if (!result.isEmpty()) |
1161 return result; |
1165 return result; |
1162 |
1166 |
3453 */ |
3457 */ |
3454 void QSettings::setPath(Format format, Scope scope, const QString &path) |
3458 void QSettings::setPath(Format format, Scope scope, const QString &path) |
3455 { |
3459 { |
3456 QMutexLocker locker(globalMutex()); |
3460 QMutexLocker locker(globalMutex()); |
3457 PathHash *pathHash = pathHashFunc(); |
3461 PathHash *pathHash = pathHashFunc(); |
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3462 if (pathHash->isEmpty()) |
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3463 initDefaultPaths(&locker); |
3458 pathHash->insert(pathHashKey(format, scope), path + QDir::separator()); |
3464 pathHash->insert(pathHashKey(format, scope), path + QDir::separator()); |
3459 } |
3465 } |
3460 |
3466 |
3461 /*! |
3467 /*! |
3462 \typedef QSettings::SettingsMap |
3468 \typedef QSettings::SettingsMap |