On Wed, Dec 28, 2016 at 08:05:17PM +0100, Hendrik Leppkes wrote: > On Wed, Dec 28, 2016 at 7:57 PM, Michael Niedermayer [...] > > > > get_generic_seed() should work on any platform, ideally. > > why does it fail on windows ? > > can you take a look, its probably not very hard to improve it, the > > function is also quite short. > > > > I do not have the time right now to debug random sporadic failures, > since I'm going out of country in a few days for a couple weeks. > The MSDN documents the clock function as follows: > > The clock function tells how much wall-clock time the calling process > has used. Note that this is not strictly conformant with ISO C99, > which specifies net CPU time as the return value. To obtain CPU time, > use the Win32 GetProcessTimes function. >
> So if the function is super fast, its certainly possible the values > just don't increment, since its wall-clock based. But its generally > not a problem, since its just never used. the code should not accept "non incrementing clocks" but wait for a few increments to have happened, it possibly waits for too few to gather enough entropy, possibly theres also something else wrong [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB No snowflake in an avalanche ever feels responsible. -- Voltaire
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