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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !faketime
package runtime
import "unsafe"
// faketime is the simulated time in nanoseconds since 1970 for the
// playground.
// Zero means not to use faketime.
var faketime int64
func nanotime() int64 {
return nanotime1()
func walltime() (sec int64, nsec int32) {
return walltime1()
// write must be nosplit on Windows (see write1)
func write(fd uintptr, p unsafe.Pointer, n int32) int32 {
return write1(fd, p, n)