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Improved const correctness, fixed thread safety bug.

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[SVN r34774]
This commit is contained in:
John Maddock
2006-07-29 16:01:48 +00:00
parent d3b885e20b
commit 65347f0f7f
3 changed files with 26 additions and 24 deletions
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12
include/boost/regex/pending/object_cache.hpp
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@ -35,16 +35,16 @@ template <class Key, class Object>
class object_cache
{
public:
typedef std::pair< ::boost::shared_ptr<Object>, Key const*> value_type;
typedef std::pair< ::boost::shared_ptr<Object const>, Key const*> value_type;
typedef std::list<value_type> list_type;
typedef typename list_type::iterator list_iterator;
typedef std::map<Key, list_iterator> map_type;
typedef typename map_type::iterator map_iterator;
typedef typename list_type::size_type size_type;
static boost::shared_ptr<Object> get(const Key& k, size_type max_cache_size);
static boost::shared_ptr<Object const> get(const Key& k, size_type max_cache_size);
private:
static boost::shared_ptr<Object> do_get(const Key& k, size_type max_cache_size);
static boost::shared_ptr<Object const> do_get(const Key& k, size_type max_cache_size);
struct data
{
@ -58,7 +58,7 @@ private:
};
template <class Key, class Object>
boost::shared_ptr<Object> object_cache<Key, Object>::get(const Key& k, size_type max_cache_size)
boost::shared_ptr<Object const> object_cache<Key, Object>::get(const Key& k, size_type max_cache_size)
{
#ifdef BOOST_HAS_THREADS
static boost::static_mutex mut = BOOST_STATIC_MUTEX_INIT;
@ -80,7 +80,7 @@ boost::shared_ptr<Object> object_cache<Key, Object>::get(const Key& k, size_type
}
template <class Key, class Object>
boost::shared_ptr<Object> object_cache<Key, Object>::do_get(const Key& k, size_type max_cache_size)
boost::shared_ptr<Object const> object_cache<Key, Object>::do_get(const Key& k, size_type max_cache_size)
{
typedef typename object_cache<Key, Object>::data object_data;
typedef typename map_type::size_type map_size_type;
@ -115,7 +115,7 @@ boost::shared_ptr<Object> object_cache<Key, Object>::do_get(const Key& k, size_t
// if we get here then the item is not in the cache,
// so create it:
//
boost::shared_ptr<Object> result(new Object(k));
boost::shared_ptr<Object const> result(new Object(k));
//
// Add it to the list, and index it:
//