Function thread_id

tests/corealgos.h:92–92

See http://blogs.msdn.com/b/oldnewthing/archive/2004/02/23/78395.aspx

	typedef std::uint32_t thread_id_t;
	static const thread_id_t invalid_thread_id = 0;		// See http://blogs.msdn.com/b/oldnewthing/archive/2004/02/23/78395.aspx
	static inline thread_id_t thread_id() { return static_cast<thread_id_t>(::GetCurrentThreadId()); }
} } }
#elif defined(__arm__) || defined(_M_ARM) || defined(__aarch64__) || (defined(__APPLE__) && TARGET_OS_IPHONE)
namespace moodycamel { namespace corealgos { namespace details {