tree 1c80ac7b7e6a8f206a6c6cbf98551dbeab199a27
parent 9cf9d3eb0681e0522db89ef5178c7bf8d5e7977f
author David Benjamin <davidben@google.com> 1587504590 -0400
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1589480232 +0000

Add CRYPTO_pre_sandbox_init.

The intent is to replace the logic in [0] and allows Chromium to set up
the MADV_WIPEONFORK page without increasing sandbox syscall surface.
From there we can remove RAND_set_urandom_fd and trim a bit of
complexity from the PRNG logic.

[0] https://source.chromium.org/chromium/chromium/src/+/master:content/app/content_main_runner_impl.cc;l=333-341;drc=975850fa57e140ec696114477e9416a19f06d29f

Change-Id: I9b679e15da551a10302389556c6c77d192be662a
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/41326
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: Adam Langley <agl@google.com>