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/* 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 <CCryptoBoringSSL_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 = 0;
#if !defined(OPENSSL_WINDOWS)
void RAND_enable_fork_unsafe_buffering(int fd) {
// We no longer support setting the file-descriptor with this function.
if (fd != -1) {
abort();
}
CRYPTO_atomic_store_u32(&g_buffering_enabled, 1);
}
#endif
int rand_fork_unsafe_buffering_enabled(void) {
return CRYPTO_atomic_load_u32(&g_buffering_enabled) != 0;
}
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