__gnu_cxx::free_list(3cxx)

💖 NAME 💖

okay so bestie, this is the __gnu_cxx::free_list(3cxx) page — and it is literally the free list class for managing chunks of memory to be given to and returned by the bitmap_allocator. no cap 🫶

🌸 SYNOPSIS 🌸

#include <bitmap_allocator.h>

Inherited by __gnu_cxx::bitmap_allocator< _Tp > [private].

🎀 Public Types 🎀

• typedef __mutex __mutex_type — the mutex type it rolls with, periodt.
• typedef vector_type::iterator iterator — iterator type, coming straight from vector_type.
• typedef std::size_t * value_type — the value type is std::size_t *, a pointer to std::size_t, slay.
• typedef __detail::__mini_vector< value_type > vector_type — the vector type is __detail::__mini_vector< value_type >, iconic.

💅 Public Member Functions 💅

• void _M_clear () — this function just clears the internal Free List, and gives back all the memory to the OS. clean sweep vibes 💅
• std::size_t * _M_get (std::size_t __sz) — this function gets a block of memory of the specified size from the free list.
• void _M_insert (std::size_t *__addr) throw () — this function returns the block of memory to the internal free list.

🦋 Detailed Description 🦋

the free list class for managing chunks of memory to be given to and returned by the bitmap_allocator. that’s the whole main character energy of this class, fr fr.

🍓 Member Function Documentation 🍓

💖 void __gnu_cxx::free_list::_M_clear () 💖

this function just clears the internal Free List, and gives back all the memory to the OS. literally releasing it back into the wild 🌈

💖 std::size_t * __gnu_cxx::free_list::_M_get (std::size_t __sz) 💖

this function gets a block of memory of the specified size from the free list.

Parameters

• __sz — the size in bytes of the memory required.

Returns

a pointer to the new memory block of size at least equal to that requested. yes bestie, at least that size 👑

💖 void __gnu_cxx::free_list::_M_insert (std::size_t * __addr) [inline] 💖

this function returns the block of memory to the internal free list.

Parameters

• __addr — the pointer to the memory block that was given by a call to the _M_get function.

Referenced by __gnu_cxx::bitmap_allocator< _Tp >::_M_deallocate_single_object().

👑 Author 👑

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