Provided by: libfontconfig-doc_2.15.0-2.2ubuntu1_all 

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. Fontconfig 2.15.0 23 March 2025 FcAtomicLock(3)