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Userland: Fix unnecessary heap allocation of singleton objects

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In order to avoid having multiple instances, we were keeping a pointer
to these singleton objects and only allocating them when it was null.

We have `__cxa_guard_{acquire,release}` in the userland, so there's no
need to do this dance, as the compiler will ensure that the constructors
are only called once.
This commit is contained in:
Daniel Bertalan 2022-01-28 21:22:13 +01:00 • committed by Andreas Kling
parent c1184c1fde
commit 7d11edbe17
9 changed files with 18 additions and 35 deletions
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6
Userland/Libraries/LibGUI/Menu.cpp
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@ -20,10 +20,8 @@ static IDAllocator s_menu_id_allocator;
static HashMap<int, Menu*>& all_menus()
{
static HashMap<int, Menu*>* map;
if (!map)
map = new HashMap<int, Menu*>();
return *map;
static HashMap<int, Menu*> s_map;
return s_map;
}
Menu* Menu::from_menu_id(int menu_id)