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O_NOSTD

O_NOSTD

Posted Aug 27, 2009 11:34 UTC (Thu) by hppnq (guest, #14462)
In reply to: O_NOSTD by foom
Parent article: In brief

And now this O_NOSTD...so instead of just calling a single function at program startup, I have to change every open call in every library that I use to use O_NOSTD? Yeah, right.

There's nothing that forces you to use O_NOSTD. If you want to manually make sure that your fd's are numbered properly -- which has to be a bit of a kludge considering the nature of the problem of having regular fd's with a special meaning -- then it should still work as before.

If they're that concerned about number-of-syscalls-per-program-start, why not just make a single syscall for "make sure I have fds 0,1, and 2 open to a fd, otherwise open /dev/null there". Yay, now I only have a single syscall on program startup. That'd make much more sense than this proposal...

Then all we'd need is CAP_DO_WHAT_I_MEAN and O_NOSH*T. There's no fun in that.


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