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kdecore: log debug messages for KLockFile

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Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2024-05-31 20:14:41 +03:00
parent 1689a9288d
commit 610ce35050
1 changed files with 6 additions and 1 deletions
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7
kdecore/io/klockfile_unix.cpp
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@ -39,6 +39,7 @@ class KLockFilePrivate
public: public:
KLockFilePrivate(); KLockFilePrivate();
QString m_lockname;
QByteArray m_lockfile; QByteArray m_lockfile;
int m_lockfd; int m_lockfd;
}; };
@ -51,6 +52,7 @@ KLockFilePrivate::KLockFilePrivate()
KLockFile::KLockFile(const QString &file) KLockFile::KLockFile(const QString &file)
: d(new KLockFilePrivate()) : d(new KLockFilePrivate())
{ {
d->m_lockname = file;
// NOTE: KConfig may attempt to create KLockFile from its destructor when KGlobal is no more // NOTE: KConfig may attempt to create KLockFile from its destructor when KGlobal is no more
// thus QStandardPaths::writableLocation() is used here // thus QStandardPaths::writableLocation() is used here
d->m_lockfile = QFile::encodeName(QStandardPaths::writableLocation(QStandardPaths::RuntimeLocation)); d->m_lockfile = QFile::encodeName(QStandardPaths::writableLocation(QStandardPaths::RuntimeLocation));
@ -78,10 +80,12 @@ bool KLockFile::tryLock()
void KLockFile::lock() void KLockFile::lock()
{ {
kDebug() << "locking" << d->m_lockname << d->m_lockfile;
while (!tryLock() && !d->m_lockfile.isEmpty()) { while (!tryLock() && !d->m_lockfile.isEmpty()) {
QCoreApplication::processEvents(QEventLoop::AllEvents, KLOCKFILE_TIMEOUT); QCoreApplication::processEvents(QEventLoop::AllEvents, KLOCKFILE_TIMEOUT);
QThread::msleep(KLOCKFILE_SLEEPTIME); QThread::msleep(KLOCKFILE_SLEEPTIME);
} }
kDebug() << "locked" << d->m_lockname << d->m_lockfile;
} }
bool KLockFile::isLocked() const bool KLockFile::isLocked() const
@ -95,8 +99,9 @@ void KLockFile::unlock()
QT_CLOSE(d->m_lockfd); QT_CLOSE(d->m_lockfd);
if (Q_UNLIKELY(::unlink(d->m_lockfile.constData()) == -1)) { if (Q_UNLIKELY(::unlink(d->m_lockfile.constData()) == -1)) {
const int savederrno = errno; const int savederrno = errno;
kWarning() << "Could not remove lock file" << qt_error_string(savederrno); kWarning() << "could not remove lock file" << qt_error_string(savederrno);
} }
d->m_lockfd = -1; d->m_lockfd = -1;
kDebug() << "unlocked" << d->m_lockname << d->m_lockfile;
} }
} }