---
name: "std::pmr_unsynchronized_pool_resource"
section: "3"
platform: "linux"
package: "gcc"
version: "16.2.1+r23+gd564253eb6c8-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/std::pmr_unsynchronized_pool_resource"
---

# std::pmr\_unsynchronized\_pool\_resource(3)

A non-thread-safe memory resource that manages pools of fixed-size blocks.

## NAME

std::pmr::unsynchronized\_pool\_resource - A non-thread-safe memory resource that manages pools of fixed-size blocks.

## SYNOPSIS

\#include \<memory\_resource\>

Inherits **std::pmr::memory\_resource**.

### Public Member Functions

**unsynchronized\_pool\_resource** (const **pool\_options** &\_\_opts)\
 **unsynchronized\_pool\_resource** (const **pool\_options** &\_\_opts, memory\_resource \*\_\_upstream)\
 **unsynchronized\_pool\_resource** (const unsynchronized\_pool\_resource &)=delete\
 **unsynchronized\_pool\_resource** (memory\_resource \*\_\_upstream)\
 void \* **allocate** (size\_t \_\_bytes, size\_t \_\_alignment=\_S\_max\_align)\
 void **deallocate** (void \*\_\_p, size\_t \_\_bytes, size\_t \_\_alignment=\_S\_max\_align)\
 bool **is\_equal** (const memory\_resource &\_\_other) const noexcept\
 unsynchronized\_pool\_resource & **operator=** (const unsynchronized\_pool\_resource &)=delete\
 **pool\_options** **options** () const noexcept\
 void **release** ()\
 memory\_resource \* **upstream\_resource** () const noexcept\

### Protected Member Functions

void \* **do\_allocate** (size\_t \_\_bytes, size\_t \_\_alignment) override\
 void **do\_deallocate** (void \*\_\_p, size\_t \_\_bytes, size\_t \_\_alignment) override\
 bool **do\_is\_equal** (const memory\_resource &\_\_other) const noexcept override\

## Detailed Description

A non-thread-safe memory resource that manages pools of fixed-size blocks.

**Since**

C++17

## Member Function Documentation

### void \* std::pmr::unsynchronized\_pool\_resource::do\_allocate (size\_t \_\_bytes, size\_t \_\_alignment) \[override\], \[protected\], \[virtual\]

Implements **std::pmr::memory\_resource**.

### void std::pmr::unsynchronized\_pool\_resource::do\_deallocate (void \* \_\_p, size\_t \_\_bytes, size\_t \_\_alignment) \[override\], \[protected\], \[virtual\]

Implements **std::pmr::memory\_resource**.

### bool std::pmr::unsynchronized\_pool\_resource::do\_is\_equal (const memory\_resource & \_\_other) const \[inline\], \[override\], \[protected\], \[virtual\], \[noexcept\]

Implements **std::pmr::memory\_resource**.

## Author

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