FcAtomicLock can only be called once from any process.
@TYPE1@ FcAtomic * @ARG1@ atomic
@PURPOSE@ lock a file
@DESC@
-Attempts to lock the file referenced by <parameter>atomic</parameter>. Returns FcFalse if the
-file is locked by another process, else returns FcTrue and leaves the file
-locked.
+Attempts to lock the file referenced by <parameter>atomic</parameter>.
+Returns FcFalse if the file is already locked, else returns FcTrue and
+leaves the file locked.
@@
@RET@ FcChar8 *