diff options
Diffstat (limited to 'src/corelib/io/qlockfile_win.cpp')
-rw-r--r-- | src/corelib/io/qlockfile_win.cpp | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/src/corelib/io/qlockfile_win.cpp b/src/corelib/io/qlockfile_win.cpp index 3587c7bffe..27a63e126a 100644 --- a/src/corelib/io/qlockfile_win.cpp +++ b/src/corelib/io/qlockfile_win.cpp @@ -1,7 +1,7 @@ /**************************************************************************** ** ** Copyright (C) 2013 David Faure <faure+bluesystems@kde.org> -** Contact: http://www.qt-project.org/legal +** Contact: http://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. ** @@ -10,9 +10,9 @@ ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information -** use the contact form at http://qt.digia.com/contact-us. +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser @@ -23,8 +23,8 @@ ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** -** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception +** As a special exception, The Qt Company gives you certain additional +** rights. These rights are described in The Qt Company LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** $QT_END_LICENSE$ @@ -48,6 +48,12 @@ static inline QByteArray localHostName() return qgetenv("COMPUTERNAME"); } +static inline bool fileExists(const wchar_t *fileName) +{ + WIN32_FILE_ATTRIBUTE_DATA data; + return GetFileAttributesEx(fileName, GetFileExInfoStandard, &data); +} + QLockFile::LockError QLockFilePrivate::tryLock_sys() { const QFileSystemEntry fileEntry(fileName); @@ -79,8 +85,13 @@ QLockFile::LockError QLockFilePrivate::tryLock_sys() case ERROR_SHARING_VIOLATION: case ERROR_ALREADY_EXISTS: case ERROR_FILE_EXISTS: - case ERROR_ACCESS_DENIED: // readonly file, or file still in use by another process. Assume the latter, since we don't create it readonly. return QLockFile::LockFailedError; + case ERROR_ACCESS_DENIED: + // readonly file, or file still in use by another process. + // Assume the latter if the file exists, since we don't create it readonly. + return fileExists((const wchar_t*)fileEntry.nativeFilePath().utf16()) + ? QLockFile::LockFailedError + : QLockFile::PermissionError; default: qWarning() << "Got unexpected locking error" << lastError; return QLockFile::UnknownError; @@ -94,7 +105,7 @@ QLockFile::LockError QLockFilePrivate::tryLock_sys() QByteArray fileData; fileData += QByteArray::number(QCoreApplication::applicationPid()); fileData += '\n'; - fileData += qAppName().toUtf8(); + fileData += QCoreApplication::applicationName().toUtf8(); fileData += '\n'; fileData += localHostName(); fileData += '\n'; |