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__gnu_cxx::free_list(3) Library Functions Manual __gnu_cxx::free_list(3)

NAME

__gnu_cxx::free_list - The free list class for managing chunks of memory to be given to and returned by the bitmap_allocator.

SYNOPSIS

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

Public Types


typedef __mutex __mutex_type
typedef vector_type::iterator iterator
typedef std::size_t * value_type
typedef __detail::__mini_vector< value_type > vector_type

Public Member Functions


void _M_clear ()
This function just clears the internal Free List, and gives back all the memory to the OS. 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.

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.

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.

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.

Author

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Mon Dec 18 2023 libstdc++