wpi::memory::null_allocator Class Reference

A composable RawAllocator that will always fail. More...

#include <wpi/memory/segregator.hpp>

Public Member Functions
void *	allocate_node (std::size_t size, std::size_t)
void	deallocate_node (void *, std::size_t, std::size_t) noexcept
void *	try_allocate_node (std::size_t, std::size_t) noexcept
bool	try_deallocate_node (void *, std::size_t, std::size_t) noexcept

Detailed Description

A composable RawAllocator that will always fail.

This is useful for compositioning or as last resort in binary_segregator.

Member Function Documentation

allocate_node()

void * wpi::memory::null_allocator::allocate_node ( std::size_t size, std::size_t  )

inline

Effects:

Will always throw.

Throws:

A out_of_fixed_memory exception.

deallocate_node()

void wpi::memory::null_allocator::deallocate_node ( void * , std::size_t , std::size_t  )

inlinenoexcept

Requires:

Must not be called.

try_allocate_node()

void * wpi::memory::null_allocator::try_allocate_node ( std::size_t , std::size_t  )

inlinenoexcept

Effects:

Does nothing.

Returns:

Always returns nullptr.

try_deallocate_node()

bool wpi::memory::null_allocator::try_deallocate_node ( void * , std::size_t , std::size_t  )

inlinenoexcept

Effects:

Does nothing.

Returns:

Always returns false.

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The documentation for this class was generated from the following file:

• wpi/memory/segregator.hpp