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arangodb
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fixed logic errors

This commit is contained in:
Jan Steemann 2015-07-28 11:10:48 +02:00
parent 3d3024a54e
commit 137a88bda3
1 changed files with 3 additions and 3 deletions
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6
arangod/VocBase/vocbase.cpp
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@ -2222,7 +2222,7 @@ void TRI_ReleaseCollectionVocBase (TRI_vocbase_t* vocbase,
bool TRI_IsDeletedVocBase (TRI_vocbase_t* vocbase) { bool TRI_IsDeletedVocBase (TRI_vocbase_t* vocbase) {
auto refCount = vocbase->_refCount.load(); auto refCount = vocbase->_refCount.load();
// if the stored value is odd, it means the database has been marked as deleted // if the stored value is odd, it means the database has been marked as deleted
return (refCount % 1 == 1); return (refCount % 2 == 1);
} }
//////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
@ -2235,7 +2235,7 @@ bool TRI_UseVocBase (TRI_vocbase_t* vocbase) {
// marked as deleted // marked as deleted
auto oldValue = vocbase->_refCount.fetch_add(2, std::memory_order_release); auto oldValue = vocbase->_refCount.fetch_add(2, std::memory_order_release);
// check if the deleted bit is set // check if the deleted bit is set
return (oldValue % 1 != 1); return (oldValue % 2 != 1);
} }
//////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
@ -2261,7 +2261,7 @@ void TRI_ReleaseVocBase (TRI_vocbase_t* vocbase) {
bool TRI_DropVocBase (TRI_vocbase_t* vocbase) { bool TRI_DropVocBase (TRI_vocbase_t* vocbase) {
auto oldValue = vocbase->_refCount.fetch_or(1, std::memory_order_release); auto oldValue = vocbase->_refCount.fetch_or(1, std::memory_order_release);
// if the previously stored value is odd, it means the database has already been marked as deleted // if the previously stored value is odd, it means the database has already been marked as deleted
return (oldValue % 1 == 0); return (oldValue % 2 == 0);
} }
//////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////