FcAtomicCreate − create an FcAtomic object

#include <fontconfig.h>

FcAtomic * FcAtomicCreate (const FcChar8   *file);

     Creates a data structure containing data needed to
control access to file.  Writing is done to a separate file.
Once that file is complete, the original configuration file
is atomically replaced so that reading process always see a
consistent and complete file without the need to lock for

     Fontconfig version 2.4.2