/* Copyright (c) 2017, Google Inc. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <openssl/rand.h> #include <stdlib.h> #include "../fipsmodule/rand/internal.h" #include "../internal.h" // g_buffering_enabled is one if fork-unsafe buffering has been enabled and zero // otherwise. static CRYPTO_atomic_u32 g_buffering_enabled = …; #if !defined(OPENSSL_WINDOWS) void RAND_enable_fork_unsafe_buffering(int fd) { … } void RAND_disable_fork_unsafe_buffering(void) { … } #endif int rand_fork_unsafe_buffering_enabled(void) { … }