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Code Issues

Fixed bug #8149 : The hung or crash could happen when connection fires TRACE_EVENT_DETACH event and new trace session created concurrently

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This commit is contained in:
Vlad Khorsun 2024-06-09 13:49:02 +03:00
parent 21bb43a447
commit ed7d59e05d
1 changed files with 5 additions and 1 deletions
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6
src/jrd/trace/TraceManager.cpp
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@ -181,6 +181,10 @@ void TraceManager::update_sessions()
{ // scope
ConfigStorage* storage = getStorage();
// don't attach going attachment to the new trace sessions, it allows
// to avoid problems later - when mapping uses this going attachment
const bool noNewSessions = attachment && (attachment->att_purge_tid);
StorageGuard guard(storage);
storage->restart();
@ -192,7 +196,7 @@ void TraceManager::update_sessions()
FB_SIZE_T pos;
if (trace_sessions.find(session.ses_id, pos))
liveSessions.add(session.ses_id);
else
else if (!noNewSessions)
newSessions.add(FB_NEW_POOL(pool) TraceSession(pool, session));
}
}