1 files changed, 0 insertions, 191 deletions
diff --git a/src/serialport/qt4support/src/qlockfile_unix.cpp b/src/serialport/qt4support/src/qlockfile_unix.cpp
deleted file mode 100644
index fbcb57ee..00000000
--- a/src/serialport/qt4support/src/qlockfile_unix.cpp
+++ /dev/null
@@ -1,191 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2013 David Faure <faure+bluesystems@kde.org>
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of the QtCore module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL21$
-** Commercial License Usage
-** 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.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 or version 3 as published by the Free
-** Software Foundation and appearing in the file LICENSE.LGPLv21 and
-** LICENSE.LGPLv3 included in the packaging of this file. Please review the
-** following information to ensure the GNU Lesser General Public License
-** 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
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "private/qlockfile_p.h"
-
-#include "QtCore/qtemporaryfile.h"
-#include "QtCore/qcoreapplication.h"
-#include "QtCore/qfileinfo.h"
-#include "QtCore/qdebug.h"
-#include "QtCore/qdatetime.h"
-
-#include <sys/file.h>  // flock
-#include <sys/types.h> // kill
-#include <signal.h>    // kill
-#include <unistd.h>
-
-#include <errno.h>
-
-QT_BEGIN_NAMESPACE
-
-#define EINTR_LOOP(var, cmd)                    \
-    do {                                        \
-        var = cmd;                              \
-    } while (var == -1 && errno == EINTR)
-
-// don't call QT_OPEN or ::open
-// call qt_safe_open
-static inline int qt_safe_open(const char *pathname, int flags, mode_t mode = 0777)
-{
-#ifdef O_CLOEXEC
-    flags |= O_CLOEXEC;
-#endif
-    int fd;
-    EINTR_LOOP(fd, ::open(pathname, flags, mode));
-
-    // unknown flags are ignored, so we have no way of verifying if
-    // O_CLOEXEC was accepted
-    if (fd != -1)
-        ::fcntl(fd, F_SETFD, FD_CLOEXEC);
-    return fd;
-}
-
-static inline qint64 qt_safe_write(int fd, const void *data, qint64 len)
-{
-    qint64 ret = 0;
-    EINTR_LOOP(ret, ::write(fd, data, len));
-    return ret;
-}
-
-static QString localHostName() // from QHostInfo::localHostName()
-{
-    char hostName[512];
-    if (gethostname(hostName, sizeof(hostName)) == -1)
-        return QString();
-    hostName[sizeof(hostName) - 1] = '\0';
-    return QString::fromLocal8Bit(hostName);
-}
-
-// ### merge into qt_safe_write?
-static qint64 qt_write_loop(int fd, const char *data, qint64 len)
-{
-    qint64 pos = 0;
-    while (pos < len) {
-        const qint64 ret = qt_safe_write(fd, data + pos, len - pos);
-        if (ret == -1) // e.g. partition full
-            return pos;
-        pos += ret;
-    }
-    return pos;
-}
-
-static bool setNativeLocks(int fd)
-{
-#if defined(LOCK_EX) && defined(LOCK_NB)
-    if (flock(fd, LOCK_EX | LOCK_NB) == -1) // other threads, and other processes on a local fs
-        return false;
-#endif
-    struct flock flockData;
-    flockData.l_type = F_WRLCK;
-    flockData.l_whence = SEEK_SET;
-    flockData.l_start = 0;
-    flockData.l_len = 0; // 0 = entire file
-    flockData.l_pid = getpid();
-    if (fcntl(fd, F_SETLK, &flockData) == -1) // for networked filesystems
-        return false;
-    return true;
-}
-
-QLockFile::LockError QLockFilePrivate::tryLock_sys()
-{
-    // Assemble data, to write in a single call to write
-    // (otherwise we'd have to check every write call)
-    // Use operator% from the fast builder to avoid multiple memory allocations.
-    QByteArray fileData = QByteArray::number(QCoreApplication::applicationPid()) + '\n'
-                          + qAppName().toUtf8() + '\n'
-                          + localHostName().toUtf8() + '\n';
-
-    const QByteArray lockFileName = QFile::encodeName(fileName);
-    const int fd = qt_safe_open(lockFileName.constData(), O_WRONLY | O_CREAT | O_EXCL, 0644);
-    if (fd < 0) {
-        switch (errno) {
-        case EEXIST:
-            return QLockFile::LockFailedError;
-        case EACCES:
-        case EROFS:
-            return QLockFile::PermissionError;
-        default:
-            return QLockFile::UnknownError;
-        }
-    }
-    // Ensure nobody else can delete the file while we have it
-    if (!setNativeLocks(fd))
-        qWarning() << "setNativeLocks failed:" << strerror(errno);
-
-    // We hold the lock, continue.
-    fileHandle = fd;
-
-    QLockFile::LockError error = QLockFile::NoError;
-    if (qt_write_loop(fd, fileData.constData(), fileData.size()) < fileData.size())
-        error = QLockFile::UnknownError; // partition full
-    return error;
-}
-
-bool QLockFilePrivate::removeStaleLock()
-{
-    const QByteArray lockFileName = QFile::encodeName(fileName);
-    const int fd = qt_safe_open(lockFileName.constData(), O_WRONLY, 0644);
-    if (fd < 0) // gone already?
-        return false;
-    bool success = setNativeLocks(fd) && (::unlink(lockFileName) == 0);
-    close(fd);
-    return success;
-}
-
-bool QLockFilePrivate::isApparentlyStale() const
-{
-    qint64 pid;
-    QString hostname, appname;
-    if (!getLockInfo(&pid, &hostname, &appname))
-        return false;
-    if (hostname == localHostName()) {
-        if (::kill(pid, 0) == -1 && errno == ESRCH)
-            return true; // PID doesn't exist anymore
-    }
-    const qint64 age = QFileInfo(fileName).lastModified().msecsTo(QDateTime::currentDateTime());
-    return staleLockTime > 0 && age > staleLockTime;
-}
-
-void QLockFile::unlock()
-{
-    Q_D(QLockFile);
-    if (!d->isLocked)
-        return;
-    close(d->fileHandle);
-    d->fileHandle = -1;
-    QFile::remove(d->fileName);
-    d->lockError = QLockFile::NoError;
-    d->isLocked = false;
-}
-
-QT_END_NAMESPACE