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Re: [PATCH v7] getrandom system call wrapper [BZ #17252]

On 11/18/2016 05:04 PM, Torvald Riegel wrote:
On Fri, 2016-11-18 at 16:13 +0100, Florian Weimer wrote:
On 11/18/2016 03:21 PM, Torvald Riegel wrote:

As discussed in the thread, there are different opinions about what the
default should be.  There are reasonable arguments for both options.  In
such a case, it seems better to make the choice explicit, simply from an
ease-of-use and interface design perspective.

Unfortunately, this is not the approach that POSIX has chosen.  But
there is precedent for doing our own thing in this area: the "c" flag
for fopen.  We cannot use the existing flags argument in getrandom for
this purpose because its layout is controlled by the kernel.

It seems a separate argument would be better than using up space in the
existing flags.  Cancellation is something we add, so we should add to
the underlying interface too, instead of messing with it.

Is this separate argument your personal preference, or are you just trying to find common ground and reconcile different positions?


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