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The getrandom syscall was added to NetBSD in version 10.0, see
https://man.netbsd.org/NetBSD-10.0-STABLE/getrandom.2
Change-Id: I2714c1040791f7f4728be8d869058a38cbd93d4d
Reviewed-on: https://go-review.googlesource.com/c/go/+/463123
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
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This case was missed in CL 370894, and masked by the lack of an
Illumos TryBot.
Fixes #52452.
Change-Id: I7cda193e33c11a9d04eb888fdb5ec9218e6ed1b5
Reviewed-on: https://go-review.googlesource.com/c/go/+/401294
Run-TryBot: Bryan Mills <bcmills@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Filippo Valsorda <valsorda@google.com>
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We're using bufio to batch reads of /dev/urandom to 4k, but we weren't
doing the same on newer platforms with getrandom/getentropy. Since the
overhead is the same for these -- one syscall -- we should batch reads
of these into the same 4k buffer. While we're at it, we can simplify a
lot of the constant dispersal.
This also adds a new test case to make sure the buffering works as
desired.
Change-Id: I7297d4aa795c00712e6484b841cef8650c2be4ef
Reviewed-on: https://go-review.googlesource.com/c/go/+/370894
Reviewed-by: Filippo Valsorda <valsorda@google.com>
Run-TryBot: Jason Donenfeld <Jason@zx2c4.com>
Auto-Submit: Jason Donenfeld <Jason@zx2c4.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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