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[everything] Fix circular shared pointer references.

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We had a cycle from transaction_manager <-> space_map, and also from
the ref_counters back up to the tm.

This prevented objects being destroyed when various programs exited.

From now on we'll try and only use a shared ptr if ownership is
implied.  Otherwise a reference will be used (eg, for up pointers).
This commit is contained in:
Joe Thornber
2014-08-26 11:14:49 +01:00
parent 930cc9d412
commit a7c96c0e1e
31 changed files with 391 additions and 406 deletions
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5
caching/hint_array.h
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@ -56,10 +56,9 @@ namespace caching {
class hint_array {
public:
typedef boost::shared_ptr<hint_array> ptr;
typedef persistent_data::transaction_manager::ptr tm_ptr;
hint_array(tm_ptr tm, unsigned width);
hint_array(tm_ptr tm, unsigned width, block_address root, unsigned nr_entries);
hint_array(transaction_manager &tm, unsigned width);
hint_array(transaction_manager &tm, unsigned width, block_address root, unsigned nr_entries);
unsigned get_nr_entries() const;