commit cc2c7aa91c68d2d56f0507927dc144b89fdd1f10
author Matt Braithwaite <mab@google.com> Thu Sep 03 14:18:08 2015 -0700
committer Adam Langley <agl@google.com> Wed Sep 09 01:02:54 2015 +0000
tree 8b3873c237fed9b0be8e4f6844ab58c99297b4e0
parent 443a1f65e2267f6a064cc672f934f48a9b0372d3

Buffer reads of urandom, if you promise no forking.

Callers that lack hardware random may obtain a speed improvement by
calling |RAND_enable_fork_unsafe_buffering|, which enables a
thread-local buffer around reads from /dev/urandom.

Change-Id: I46e675d1679b20434dd520c58ece0f888f38a241
Reviewed-on: https://boringssl-review.googlesource.com/5792
Reviewed-by: Adam Langley <agl@google.com>

crypto/internal.h

diff --git a/crypto/internal.h b/crypto/internal.h
index a502d20..713659d 100644
--- a/crypto/internal.h
+++ b/crypto/internal.h
@@ -452,6 +452,7 @@
 typedef enum {
   OPENSSL_THREAD_LOCAL_ERR = 0,
   OPENSSL_THREAD_LOCAL_RAND,
+  OPENSSL_THREAD_LOCAL_URANDOM_BUF,
   OPENSSL_THREAD_LOCAL_TEST,
   NUM_OPENSSL_THREAD_LOCALS,
 } thread_local_data_t;