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kdecore: minor KLockFile optimization

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it is cheaper to realloc() the QByteArray data

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2022-10-08 17:34:42 +03:00
parent 7607559fd2
commit 82a503ebb3
1 changed files with 4 additions and 3 deletions
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7
kdecore/io/klockfile_unix.cpp
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@ -107,7 +107,8 @@ KLockFile::LockResult KLockFilePrivate::tryLock()
KLockFile::KLockFile(const QString &file)
: d(new KLockFilePrivate())
{
d->m_lockfile = QFile::encodeName(file + QLatin1String(".klockfile"));
d->m_lockfile = QFile::encodeName(file);
d->m_lockfile.append(".klockfile");
}
KLockFile::~KLockFile()
@ -122,7 +123,7 @@ tryagain:
KLockFile::LockResult result = d->tryLock();
if (result == KLockFile::LockStale && options & KLockFile::ForceFlag) {
kWarning() << "Deleting stale lock file" << d->m_lockfile;
if (Q_UNLIKELY(::unlink(d->m_lockfile) == -1)) {
if (Q_UNLIKELY(::unlink(d->m_lockfile.constData()) == -1)) {
const int savederrno = errno;
kWarning() << "Could not remove lock file" << qt_error_string(savederrno);
}
@ -147,7 +148,7 @@ void KLockFile::unlock()
{
if (d->m_lockfd != -1) {
QT_CLOSE(d->m_lockfd);
if (Q_UNLIKELY(::unlink(d->m_lockfile) == -1)) {
if (Q_UNLIKELY(::unlink(d->m_lockfile.constData()) == -1)) {
const int savederrno = errno;
kWarning() << "Could not remove lock file" << qt_error_string(savederrno);
}