diff options
| -rw-r--r-- | src/network/kernel/qhostinfo.cpp | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/src/network/kernel/qhostinfo.cpp b/src/network/kernel/qhostinfo.cpp index 4d451dfdb7..e9ea6335d2 100644 --- a/src/network/kernel/qhostinfo.cpp +++ b/src/network/kernel/qhostinfo.cpp @@ -743,7 +743,9 @@ QHostInfoLookupManager::QHostInfoLookupManager() : mutex(QMutex::Recursive), was QHostInfoLookupManager::~QHostInfoLookupManager() { + QMutexLocker locker(&mutex); wasDeleted = true; + locker.unlock(); // don't qDeleteAll currentLookups, the QThreadPool has ownership clear(); @@ -771,6 +773,8 @@ void QHostInfoLookupManager::clear() void QHostInfoLookupManager::work() { + QMutexLocker locker(&mutex); + if (wasDeleted) return; @@ -778,8 +782,6 @@ void QHostInfoLookupManager::work() // - launch new lookups via the thread pool // - make sure only one lookup per host/IP is in progress - QMutexLocker locker(&mutex); - if (!finishedLookups.isEmpty()) { // remove ID from aborted if it is in there for (int i = 0; i < finishedLookups.length(); i++) { @@ -831,10 +833,11 @@ void QHostInfoLookupManager::work() // called by QHostInfo void QHostInfoLookupManager::scheduleLookup(QHostInfoRunnable *r) { + QMutexLocker locker(&this->mutex); + if (wasDeleted) return; - QMutexLocker locker(&this->mutex); scheduledLookups.enqueue(r); work(); } @@ -842,11 +845,11 @@ void QHostInfoLookupManager::scheduleLookup(QHostInfoRunnable *r) // called by QHostInfo void QHostInfoLookupManager::abortLookup(int id) { + QMutexLocker locker(&this->mutex); + if (wasDeleted) return; - QMutexLocker locker(&this->mutex); - #if QT_CONFIG(thread) // is postponed? delete and return for (int i = 0; i < postponedLookups.length(); i++) { @@ -872,20 +875,22 @@ void QHostInfoLookupManager::abortLookup(int id) // called from QHostInfoRunnable bool QHostInfoLookupManager::wasAborted(int id) { + QMutexLocker locker(&this->mutex); + if (wasDeleted) return true; - QMutexLocker locker(&this->mutex); return abortedLookups.contains(id); } // called from QHostInfoRunnable void QHostInfoLookupManager::lookupFinished(QHostInfoRunnable *r) { + QMutexLocker locker(&this->mutex); + if (wasDeleted) return; - QMutexLocker locker(&this->mutex); #if QT_CONFIG(thread) currentLookups.removeOne(r); #endif |