// Copyright 2016 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.

package os

import (
	"syscall"
	_ "unsafe" // for linkname
)

//go:linkname executablePath
var executablePath string // set by sysauxv in ../runtime/os3_solaris.go

var initCwd, initCwdErr = Getwd()

func executable() (string, error) {
	path := executablePath

// license that can be found in the LICENSE file.

package runtime

import _ "unsafe"

// These should be an internal details
// but widely used packages access them using linkname.
// Do not remove or change the type signature.
// See go.dev/issue/67401.

// Notable members of the hall of shame include:
//   - github.com/dgraph-io/ristretto
//   - github.com/outcaste-io/ristretto

// compile

// 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.

// Make sure we can linkname to memmove with an unsafe.Pointer argument.

package p

import "unsafe"

//go:linkname memmove runtime.memmove
func memmove(to, from unsafe.Pointer, n uintptr)

var V1, V2 int

func F() {

// Copyright 2012 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.

package runtime

import _ "unsafe" // for linkname

const (
	// vdsoArrayMax is the byte-size of a maximally sized array on this architecture.
	// See cmd/compile/internal/amd64/galign.go arch.MAXWIDTH initialization.
	vdsoArrayMax = 1<<50 - 1
)

// Copyright 2016 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.

package os

import (
	"errors"
	_ "unsafe" // for linkname
)

//go:linkname executablePath
var executablePath string // set by ../runtime/os_darwin.go

var initCwd, initCwdErr = Getwd()

func executable() (string, error) {
	ep := executablePath
	if len(ep) == 0 {

//go:build !faketime && !windows && !(linux && amd64)

package runtime

import _ "unsafe" // for go:linkname

// time_now should be an internal detail,
// but widely used packages access it using linkname.
// Notable members of the hall of shame include:
//   - gitee.com/quant1x/gox
//   - github.com/phuslu/log
//   - github.com/sethvargo/go-limiter
//   - github.com/ulule/limiter/v3
//

	// environment variable values (currently we only force GOTRACEBACK=none)
	//
	// Other packages may also disable specific functionality when secure mode
	// is enabled (determined by using linkname to call isSecureMode).

	secureEnv()
}

func secureEnv() {
	var hasTraceback bool
	for i := 0; i < len(envs); i++ {
		if stringslite.HasPrefix(envs[i], "GOTRACEBACK=") {
			hasTraceback = true

	"net"
	"internal/runtime/atomic"
	"sync"
	"time"
	_ "unsafe" // for go:linkname
)

// The bug is that netpollWaiters increases monotonically.
// This doesn't cause a problem until it overflows.
// Use linkname to see the value.
//
//go:linkname netpollWaiters runtime.netpollWaiters
var netpollWaiters atomic.Uint32

func init() {
	register("NetpollWaiters", NetpollWaiters)
}

func NetpollWaiters() {

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build darwin || (openbsd && !mips64)

package unix

import (
	"syscall"
	_ "unsafe" // for linkname
)

func Unlinkat(dirfd int, path string, flags int) error {
	return unlinkat(dirfd, path, flags)
}

func Openat(dirfd int, path string, flags int, perm uint32) (int, error) {

// license that can be found in the LICENSE file.

// Support for test coverage with redesigned coverage implementation.

package testing

import (
	"fmt"
	"internal/goexperiment"
	"os"
	_ "unsafe" // for linkname
)

// cover2 variable stores the current coverage mode and a
// tear-down function to be called at the end of the testing run.
var cover2 struct {
	mode        string