Provided by: libfontconfig1-dev_2.11.94-0ubuntu1.1_amd64 

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.