go time_nofake 源码
golang time_nofake 代码
文件路径：/src/runtime/time_nofake.go
// 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.
//go: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
//go:nosplit
func nanotime() int64 {
return nanotime1()
}
var overrideWrite func(fd uintptr, p unsafe.Pointer, n int32) int32
// write must be nosplit on Windows (see write1)
//
//go:nosplit
func write(fd uintptr, p unsafe.Pointer, n int32) int32 {
if overrideWrite != nil {
return overrideWrite(fd, noescape(p), n)
}
return write1(fd, p, n)
}
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