"time"
	_ "unsafe" // for go:linkname
)

// runtimeNano returns the current value of the runtime clock in nanoseconds.
//
//go:linkname runtimeNano runtime.nanotime
func runtimeNano() int64

func runtime_pollServerInit()
func runtime_pollOpen(fd uintptr) (uintptr, int)
func runtime_pollClose(ctx uintptr)
func runtime_pollWait(ctx uintptr, mode int) int
func runtime_pollWaitCanceled(ctx uintptr, mode int)

	pollcache      pollCache
	netpollWaiters atomic.Uint32
)

// netpollWaiters is accessed in tests
//go:linkname netpollWaiters

//go:linkname poll_runtime_pollServerInit internal/poll.runtime_pollServerInit
func poll_runtime_pollServerInit() {
	netpollGenericInit()
}

func netpollGenericInit() {
	if netpollInited.Load() == 0 {
		lockInit(&netpollInitLock, lockRankNetpollInit)