> For the uapi issue you describe below my take would be that we should just > try, and hope that everyone's been dutifully using O_CLOEXEC. But maybe > I'm biased from the gpu world, where we've been hammering it in that > "O_CLOEXEC or bust" mantra since well over a decade. Really the only valid Oh, we're very much on the same page. All new file descriptor types that I've added over the years are O_CLOEXEC by default. IOW, you need to remove O_CLOEXEC explicitly (see pidfd as an example). And imho, any new fd type that's added should just be O_CLOEXEC by default.
