tof: Add gFile + gDirectory protection

Dear @n.herrmann, @i.deppner,

you have been identified as code owner of at least one file which was changed with this merge request.

Please check the changes and approve them or request changes.

added CodeOwners label

mentioned in merge request !289 (merged)

added 27 commits

• 775b59ff...7c1b5ab6 - 26 commits from branch computing:master
• fc8ed615 - tof: Add gFile + gDirectory protection

Compare with previous version

@p.-a.loizeau,

could you please merge. There is no disapproval so I assume the MR is okay.

merged