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Make sure that OwncloudPropgator::finished is only emit once

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When we abort, each job currently running may result in a call to finished().
It used to cause a crash because we would unlock the _syncMutex twice

Fixes #1793
This commit is contained in:
Olivier Goffart 2014-05-29 12:15:13 +02:00
parent 864f2cdc7d
commit 0151682a53
2 changed files with 13 additions and 2 deletions
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2
src/mirall/owncloudpropagator.cpp
View file

@ -251,7 +251,7 @@ void OwncloudPropagator::start(const SyncFileItemVector& _syncedItems)
connect(_rootJob.data(), SIGNAL(completed(SyncFileItem)), this, SIGNAL(completed(SyncFileItem)));
connect(_rootJob.data(), SIGNAL(progress(SyncFileItem,quint64)), this, SIGNAL(progress(SyncFileItem,quint64)));
connect(_rootJob.data(), SIGNAL(finished(SyncFileItem::Status)), this, SIGNAL(finished()));
connect(_rootJob.data(), SIGNAL(finished(SyncFileItem::Status)), this, SLOT(emitFinished()));
qDebug() << (useLegacyJobs() ? "Using legacy libneon/HTTP sequential code path" : "Using QNAM/HTTP parallel code path");

13
src/mirall/owncloudpropagator.h
View file

@ -187,6 +187,7 @@ public:
const QString _remoteFolder; // folder. (same as remoteDir but without remote.php/webdav)
SyncJournalDb * const _journal;
bool _finishedEmited; // used to ensure that finished is only emit once
public:
OwncloudPropagator(ne_session_s *session, const QString &localDir, const QString &remoteDir, const QString &remoteFolder,
@ -197,6 +198,7 @@ public:
, _remoteDir((remoteDir.endsWith(QChar('/'))) ? remoteDir : remoteDir+'/' )
, _remoteFolder((remoteFolder.endsWith(QChar('/'))) ? remoteFolder : remoteFolder+'/' )
, _journal(progressDb)
, _finishedEmited(false)
, _activeJobs(0)
{ }
@ -218,12 +220,21 @@ public:
if (_rootJob) {
_rootJob->abort();
}
emit finished();
emitFinished();
}
// timeout in seconds
static int httpTimeout();
private slots:
/** Emit the finished signal and make sure it is only emit once */
void emitFinished() {
if (!_finishedEmited)
emit finished();
_finishedEmited = true;
}
signals:
void completed(const SyncFileItem &);
void progress(const SyncFileItem&, quint64 bytes);