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Prevent race conditions when getting elements for the first time or

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after flushing the cache

(cherry picked from commit b99066f4e11f9b698ef376d751826b8288f502f6)
(cherry picked from commit e50033d1732f9b5c1a56eacaf1edce9cc0d7471e)
This commit is contained in:
Ruben S. Montero 2018-09-06 11:10:45 +02:00
parent 01f7846904
commit cd41617e2d
1 changed files with 6 additions and 12 deletions
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18
src/pool/PoolSQLCache.cc
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@ -41,18 +41,12 @@ void PoolSQLCache::lock_line(int oid)
{
cl = new CacheLine(0);
cl->active++;
cache.insert(make_pair(oid, cl));
unlock();
cl->lock();
return;
}
cl = it->second;
else
{
cl = it->second;
}
cl->active++;
@ -65,9 +59,9 @@ void PoolSQLCache::lock_line(int oid)
cl->object->lock();
delete cl->object;
}
cl->object = 0;
cl->object = 0;
}
return;
}