1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/ipc/chromium/src/base/rand_util_posix.cc Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,29 @@
1.4 +// Copyright (c) 2008 The Chromium Authors. All rights reserved.
1.5 +// Use of this source code is governed by a BSD-style license that can be
1.6 +// found in the LICENSE file.
1.7 +
1.8 +#include "base/rand_util.h"
1.9 +
1.10 +#include <fcntl.h>
1.11 +#include <unistd.h>
1.12 +
1.13 +#include "base/file_util.h"
1.14 +#include "base/logging.h"
1.15 +
1.16 +namespace base {
1.17 +
1.18 +uint64_t RandUint64() {
1.19 + uint64_t number;
1.20 +
1.21 + int urandom_fd = open("/dev/urandom", O_RDONLY);
1.22 + CHECK(urandom_fd >= 0);
1.23 + bool success = file_util::ReadFromFD(urandom_fd,
1.24 + reinterpret_cast<char*>(&number),
1.25 + sizeof(number));
1.26 + CHECK(success);
1.27 + close(urandom_fd);
1.28 +
1.29 + return number;
1.30 +}
1.31 +
1.32 +} // namespace base
