Messages in this thread | | | Date | Sun, 20 Jul 2014 17:25:40 -0700 | From | Dwayne Litzenberger <> | Subject | Re: [PATCH, RFC] random: introduce getrandom(2) system call |
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On Thu, Jul 17, 2014 at 01:01:16PM -0400, Theodore Ts'o wrote: >The getrandom(2) system call is a superset of getentropy(2). When we >add the support for this into glibc, it won't be terribly difficult >nor annoying to drop the following in alongside the standard support >needed for any new system call: > >int getentropy(void *buf, size_t buflen) >{ > int ret; > > ret = getentropy(buf, buflen, 0); > return (ret > 0) ? 0 : ret; >} > >The reason for the additional flags is that I'm trying to solve more >problems than just getentropy()'s raison d'etre. The discussion of >this is in the commit description; let me know if there bits that I >could make clearer.
This could still return predictable bytes during early boot, though, right?
-- Dwayne C. Litzenberger <dlitz@dlitz.net> OpenPGP: 19E1 1FE8 B3CF F273 ED17 4A24 928C EC13 39C2 5CF7
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