FcAtomicLock - lock a file
#include <fontconfig.h> FcBool FcAtomicLock(FcAtomic *atomic); .fi
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 version 2.8.0 18 November 2009 FcAtomicLock(3)