---
name: "FcAtomicLock"
section: "3"
platform: "linux"
package: "fontconfig"
version: "2:2.18.3-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/FcAtomicLock"
---

# FcAtomicLock(3)

lock a file

## NAME

FcAtomicLock - lock a file

## SYNOPSIS

**#include \<fontconfig/fontconfig.h\>**

**FcBool FcAtomicLock (FcAtomic \****atomic***);**

## DESCRIPTION

Attempts to lock the file referenced by *atomic*. Returns FcFalse if the file is already locked, else returns FcTrue and leaves the file locked.