/*
- * Copyright 2014 Facebook, Inc.
+ * Copyright 2015 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
namespace {
void readRandomDevice(void* data, size_t size) {
- // Keep it open for the duration of the program
- static File randomDevice("/dev/urandom");
- PCHECK(readFull(randomDevice.fd(), data, size) == size);
+ // Keep the random device open for the duration of the program.
+ static int randomFd = ::open("/dev/urandom", O_RDONLY);
+ PCHECK(randomFd >= 0);
+ auto bytesRead = readFull(randomFd, data, size);
+ PCHECK(bytesRead >= 0 && size_t(bytesRead) == size);
}
class BufferedRandomDevice {
ptr_ += size;
}
-ThreadLocal<BufferedRandomDevice> bufferedRandomDevice;
} // namespace
void Random::secureRandom(void* data, size_t size) {
+ static ThreadLocal<BufferedRandomDevice> bufferedRandomDevice;
bufferedRandomDevice->get(data, size);
}