Date: Tue, 2 Jan 2018 16:27:59 +0100 From: Szabolcs Nagy <nsz@...t70.net> To: musl@...ts.openwall.com Subject: Re: [PATCH] Add getrandom syscall wrapper function * Rich Felker <dalias@...c.org> [2018-01-01 21:14:03 -0500]: > > > glibc does not have a fallback for this syscall there was a long > > > discussion about this, see here: https://lwn.net/Articles/711013/ > > > As they never found a good solution for their fallback. I think musl > > > should also not provide a fallback. > > Interesting that the biggest issue seems to have been about using file > descriptors as the fallback. That's something I never considered using > in musl since we have AT_RANDOM and sysctl on ancient kernels that > lack it. There are a small number of kernels between when sysctl > started spamming syslog with deprecation warnings and when AT_RANDOM > was added but I don't really care about those; it still works anyway. note that getrandom gives new entropy after fork but AT_RANDOM is the same.
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