//$$CDS-header$$
-#ifndef __CDS_CONTAINER_IMPL_MICHAEL_LIST_H
-#define __CDS_CONTAINER_IMPL_MICHAEL_LIST_H
+#ifndef CDSLIB_CONTAINER_IMPL_MICHAEL_LIST_H
+#define CDSLIB_CONTAINER_IMPL_MICHAEL_LIST_H
#include <memory>
#include <cds/container/details/guarded_ptr_cast.h>
public:
/// Guarded pointer
- typedef cds::gc::guarded_ptr< gc, node_type, value_type, details::guarded_ptr_cast_set<node_type, value_type> > guarded_ptr;
+ typedef typename gc::template guarded_ptr< node_type, value_type, details::guarded_ptr_cast_set<node_type, value_type> > guarded_ptr;
private:
//@cond
template <typename Q, typename Less>
bool erase_with( Q const& key, Less pred )
{
+ CDS_UNUSED( pred );
return erase_at( head(), key, typename maker::template less_wrapper<Less>::type(), [](value_type const&){} );
}
template <typename Q, typename Less, typename Func>
bool erase_with( Q const& key, Less pred, Func f )
{
+ CDS_UNUSED( pred );
return erase_at( head(), key, typename maker::template less_wrapper<Less>::type(), f );
}
/// Extracts the item from the list with specified \p key
/** \anchor cds_nonintrusive_MichaelList_hp_extract
The function searches an item with key equal to \p key,
- unlinks it from the list, and returns it in \p dest parameter.
- If the item with key equal to \p key is not found the function returns \p false.
+ unlinks it from the list, and returns it as \p guarded_ptr.
+ If \p key is not found the function returns an empty guarded pointer.
Note the compare functor should accept a parameter of type \p Q that can be not the same as \p value_type.
ord_list theList;
// ...
{
- ord_list::guarded_ptr gp;
- theList.extract( gp, 5 );
- // Deal with gp
- // ...
-
+ ord_list::guarded_ptr gp(theList.extract( 5 ));
+ if ( gp ) {
+ // Deal with gp
+ // ...
+ }
// Destructor of gp releases internal HP guard and frees the item
}
\endcode
*/
template <typename Q>
- bool extract( guarded_ptr& dest, Q const& key )
+ guarded_ptr extract( Q const& key )
{
- return extract_at( head(), dest.guard(), key, intrusive_key_comparator() );
+ guarded_ptr gp;
+ extract_at( head(), gp.guard(), key, intrusive_key_comparator() );
+ return gp;
}
/// Extracts the item from the list with comparing functor \p pred
/**
- The function is an analog of \ref cds_nonintrusive_MichaelList_hp_extract "extract(guarded_ptr&, Q const&)"
+ The function is an analog of \ref cds_nonintrusive_MichaelList_hp_extract "extract(Q const&)"
but \p pred predicate is used for key comparing.
\p Less functor has the semantics like \p std::less but it should accept arguments of type \p value_type and \p Q
\p pred must imply the same element order as the comparator used for building the list.
*/
template <typename Q, typename Less>
- bool extract_with( guarded_ptr& dest, Q const& key, Less pred )
+ guarded_ptr extract_with( Q const& key, Less pred )
{
- return extract_at( head(), dest.guard(), key, typename maker::template less_wrapper<Less>::type() );
+ CDS_UNUSED( pred );
+ guarded_ptr gp;
+ extract_at( head(), gp.guard(), key, typename maker::template less_wrapper<Less>::type() );
+ return gp;
}
/// Finds \p key
template <typename Q, typename Less>
bool find_with( Q const& key, Less pred )
{
+ CDS_UNUSED( pred );
return find_at( head(), key, typename maker::template less_wrapper<Less>::type() );
}
{
return find_at( head(), key, intrusive_key_comparator(), f );
}
+ //@cond
+ template <typename Q, typename Func>
+ bool find( Q const& key, Func f )
+ {
+ return find_at( head(), key, intrusive_key_comparator(), f );
+ }
+ //@endcond
/// Finds \p key using \p pred predicate for searching
/**
template <typename Q, typename Less, typename Func>
bool find_with( Q& key, Less pred, Func f )
{
+ CDS_UNUSED( pred );
return find_at( head(), key, typename maker::template less_wrapper<Less>::type(), f );
}
+ //@cond
+ template <typename Q, typename Less, typename Func>
+ bool find_with( Q const& key, Less pred, Func f )
+ {
+ CDS_UNUSED( pred );
+ return find_at( head(), key, typename maker::template less_wrapper<Less>::type(), f );
+ }
+ //@endcond
/// Finds \p key and return the item found
/** \anchor cds_nonintrusive_MichaelList_hp_get
The function searches the item with key equal to \p key
- and assigns the item found to guarded pointer \p ptr.
- The function returns \p true if \p key is found, and \p false otherwise.
- If \p key is not found the \p ptr parameter is not changed.
+ and returns it as \p guarded_ptr.
+ If \p key is not found the function returns an empty guarded pointer.
@note Each \p guarded_ptr object uses one GC's guard which can be limited resource.
ord_list theList;
// ...
{
- ord_list::guarded_ptr gp;
- if ( theList.get( gp, 5 )) {
+ ord_list::guarded_ptr gp(theList.get( 5 ));
+ if ( gp ) {
// Deal with gp
//...
}
should accept a parameter of type \p Q that can be not the same as \p value_type.
*/
template <typename Q>
- bool get( guarded_ptr& ptr, Q const& key )
+ guarded_ptr get( Q const& key )
{
- return get_at( head(), ptr.guard(), key, intrusive_key_comparator() );
+ guarded_ptr gp;
+ get_at( head(), gp.guard(), key, intrusive_key_comparator() );
+ return gp;
}
/// Finds \p key and return the item found
/**
- The function is an analog of \ref cds_nonintrusive_MichaelList_hp_get "get( guarded_ptr& ptr, Q const&)"
+ The function is an analog of \ref cds_nonintrusive_MichaelList_hp_get "get( Q const&)"
but \p pred is used for comparing the keys.
\p Less functor has the semantics like \p std::less but should accept arguments of type \p value_type and \p Q
\p pred must imply the same element order as the comparator used for building the list.
*/
template <typename Q, typename Less>
- bool get_with( guarded_ptr& ptr, Q const& key, Less pred )
+ guarded_ptr get_with( Q const& key, Less pred )
{
- return get_at( head(), ptr.guard(), key, typename maker::template less_wrapper<Less>::type() );
+ CDS_UNUSED( pred );
+ guarded_ptr gp;
+ get_at( head(), gp.guard(), key, typename maker::template less_wrapper<Less>::type() );
+ return gp;
}
/// Check if the list is empty
}
template <typename Q, typename Compare>
- bool extract_at( head_type& refHead, typename gc::Guard& dest, Q const& key, Compare cmp )
+ bool extract_at( head_type& refHead, typename guarded_ptr::native_guard& guard, Q const& key, Compare cmp )
{
- return base_class::extract_at( refHead, dest, key, cmp );
+ return base_class::extract_at( refHead, guard, key, cmp );
}
template <typename Q, typename Func>
}
template <typename Q, typename Compare>
- bool get_at( head_type& refHead, typename gc::Guard& guard, Q const& key, Compare cmp )
+ bool get_at( head_type& refHead, typename guarded_ptr::native_guard& guard, Q const& key, Compare cmp )
{
return base_class::get_at( refHead, guard, key, cmp );
}
}} // namespace cds::container
-#endif // #ifndef __CDS_CONTAINER_IMPL_MICHAEL_LIST_H
+#endif // #ifndef CDSLIB_CONTAINER_IMPL_MICHAEL_LIST_H
projects / libcds.git / blobdiff