---
name: "atomic64_read"
section: "9"
platform: "linux"
package: "linux-manual-2.6.32"
version: "2.6.32-48squeeze6"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/atomic64_read"
---

# atomic64\_read(9)

read atomic64 variable

## NAME

atomic64\_read - read atomic64 variable

## SYNOPSIS

**u64 atomic64\_read(atomic64\_t \*** *ptr***);**

## ARGUMENTS

*ptr*

pointer to type atomic64\_t

## DESCRIPTION

Atomically reads the value of *ptr* and returns it.

## COPYRIGHT