| Summary: | random crash during automatic polling | ||
|---|---|---|---|
| Product: | [Unmaintained] kmail | Reporter: | Emil Obermayr <nobs> |
| Component: | general | Assignee: | kdepim bugs <kdepim-bugs> |
| Status: | RESOLVED FIXED | ||
| Severity: | crash | ||
| Priority: | NOR | ||
| Version: | 1.8 | ||
| Target Milestone: | --- | ||
| Platform: | openSUSE | ||
| OS: | Linux | ||
| Latest Commit: | Version Fixed In: | ||
| Sentry Crash Report: | |||
|
Description
Emil Obermayr
2005-12-11 13:56:02 UTC
SVN commit 558673 by kloecker:
Fix progress item related crashes during POP3 fetches.
BUGS: 110487, 118112, 119112, 121384, 127210, 130303
M +4 -1 kmaccount.cpp
M +30 -20 popaccount.cpp
--- branches/KDE/3.5/kdepim/kmail/kmaccount.cpp #558672:558673
@@ -444,8 +444,11 @@
if (mTimer)
mTimer->start(mInterval*60000);
if ( mMailCheckProgressItem ) {
- mMailCheckProgressItem->setComplete(); // that will delete it
+ // set mMailCheckProgressItem = 0 before calling setComplete() to prevent
+ // a race condition
+ ProgressItem *savedMailCheckProgressItem = mMailCheckProgressItem;
mMailCheckProgressItem = 0;
+ savedMailCheckProgressItem->setComplete(); // that will delete it
}
emit newMailsProcessed( mNewInFolder );
--- branches/KDE/3.5/kdepim/kmail/popaccount.cpp #558672:558673
@@ -348,8 +348,9 @@
void PopAccount::slotAbortRequested()
{
if (stage == Idle) return;
- disconnect( mMailCheckProgressItem, SIGNAL( progressItemCanceled( KPIM::ProgressItem* ) ),
- this, SLOT( slotAbortRequested() ) );
+ if ( mMailCheckProgressItem )
+ disconnect( mMailCheckProgressItem, SIGNAL( progressItemCanceled( KPIM::ProgressItem* ) ),
+ this, SLOT( slotAbortRequested() ) );
stage = Quit;
if (job) job->kill();
job = 0;
@@ -655,7 +656,8 @@
processMsgsTimer.start(processingDelay);
}
else if (stage == Retr) {
- mMailCheckProgressItem->setProgress( 100 );
+ if ( mMailCheckProgressItem )
+ mMailCheckProgressItem->setProgress( 100 );
processRemainingQueuedMessages();
mHeaderDeleteUids.clear();
@@ -732,20 +734,22 @@
// If there are messages to delete then delete them
if ( !idsOfMsgsToDelete.isEmpty() ) {
stage = Dele;
- mMailCheckProgressItem->setStatus(
- i18n( "Fetched 1 message from %1. Deleting messages from server...",
- "Fetched %n messages from %1. Deleting messages from server...",
- numMsgs )
- .arg( mHost ) );
+ if ( mMailCheckProgressItem )
+ mMailCheckProgressItem->setStatus(
+ i18n( "Fetched 1 message from %1. Deleting messages from server...",
+ "Fetched %n messages from %1. Deleting messages from server...",
+ numMsgs )
+ .arg( mHost ) );
url.setPath("/remove/" + idsOfMsgsToDelete.join(","));
kdDebug(5006) << "url: " << url.prettyURL() << endl;
} else {
stage = Quit;
- mMailCheckProgressItem->setStatus(
- i18n( "Fetched 1 message from %1. Terminating transmission...",
- "Fetched %n messages from %1. Terminating transmission...",
- numMsgs )
- .arg( mHost ) );
+ if ( mMailCheckProgressItem )
+ mMailCheckProgressItem->setStatus(
+ i18n( "Fetched 1 message from %1. Terminating transmission...",
+ "Fetched %n messages from %1. Terminating transmission...",
+ numMsgs )
+ .arg( mHost ) );
url.setPath(QString("/commit"));
kdDebug(5006) << "url: " << url.prettyURL() << endl;
}
@@ -760,11 +764,12 @@
mUidsOfNextSeenMsgsDict.remove( mUidForIdMap[*it] );
}
idsOfMsgsToDelete.clear();
- mMailCheckProgressItem->setStatus(
- i18n( "Fetched 1 message from %1. Terminating transmission...",
- "Fetched %n messages from %1. Terminating transmission...",
- numMsgs )
- .arg( mHost ) );
+ if ( mMailCheckProgressItem )
+ mMailCheckProgressItem->setStatus(
+ i18n( "Fetched 1 message from %1. Terminating transmission...",
+ "Fetched %n messages from %1. Terminating transmission...",
+ numMsgs )
+ .arg( mHost ) );
KURL url = getUrl();
url.setPath(QString("/commit"));
job = KIO::get( url, false, false );
@@ -783,8 +788,11 @@
int numMessages = canceled ? indexOfCurrentMsg : idsOfMsgs.count();
BroadcastStatus::instance()->setStatusMsgTransmissionCompleted(
this->name(), numMessages, numBytes, numBytesRead, numBytesToRead, mLeaveOnServer, mMailCheckProgressItem );
- mMailCheckProgressItem->setComplete();
+ // set mMailCheckProgressItem = 0 before calling setComplete() to prevent
+ // a race condition
+ ProgressItem *savedMailCheckProgressItem = mMailCheckProgressItem;
mMailCheckProgressItem = 0;
+ savedMailCheckProgressItem->setComplete(); // that will delete it
checkDone( ( numMessages > 0 ), canceled ? CheckAborted : CheckOK );
}
}
@@ -873,7 +881,9 @@
numMsgBytesRead = curMsgLen;
numBytesRead += numMsgBytesRead - oldNumMsgBytesRead;
dataCounter++;
- if (dataCounter % 5 == 0)
+ if ( mMailCheckProgressItem &&
+ ( dataCounter % 5 == 0 ||
+ ( indexOfCurrentMsg + 1 == numMsgs && numMsgBytesRead == curMsgLen ) ) )
{
QString msg;
if (numBytes != numBytesToRead && mLeaveOnServer)
|