---
name: "std::pmr_unsynchronized_pool_resource"
section: "3cxx"
platform: "linux"
package: "libstdc++-12-doc"
version: "12.4.0-5"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/std::pmr_unsynchronized_pool_resource/3cxx"
---

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

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.

## 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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