#include <type_traits>
#include <stdint.h>
#include <assert.h>
-#include <unistd.h>
#include <boost/noncopyable.hpp>
#include <folly/AtomicStruct.h>
#include <folly/detail/CacheLocality.h>
#include <folly/portability/SysMman.h>
+#include <folly/portability/Unistd.h>
// Ignore shadowing warnings within this file, so includers can use -Wshadow.
#pragma GCC diagnostic push