RandomSeed.h - mozsearch

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-

 * vim: set ts=8 sts=2 et sw=2 tw=80:

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef util_RandomSeed_h

#define util_RandomSeed_h

#include "mozilla/Array.h"

#include <stdint.h>

namespace js {

extern uint64_t GenerateRandomSeed();

// Fill |seed[0]| and |seed[1]| with random bits, suitable for

// seeding a XorShift128+ random number generator.

extern void GenerateXorShift128PlusSeed(mozilla::Array<uint64_t, 2>& seed);

}  // namespace js

#endif  // util_RandomSeed_h