// 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.

//go:build unix || (js && wasm) || wasip1

package syscall

// TimespecToNsec returns the time stored in ts as nanoseconds.
func TimespecToNsec(ts Timespec) int64 { return ts.Nano() }

// NsecToTimespec converts a number of nanoseconds into a [Timespec].

// Copyright 2011 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 unix || (js && wasm) || wasip1

package os

const (
	PathSeparator     = '/' // OS-specific path separator
	PathListSeparator = ':' // OS-specific path list separator
)

// IsPathSeparator reports whether c is a directory separator character.

// run

//go:build !js && !wasip1 && gc

// Copyright 2017 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.

// As of "Mon 6 Nov 2017", run.go doesn't yet have proper
// column matching so instead match the output manually
// by exec-ing

package main

import (
	"fmt"
	"io/ioutil"
	"log"
	"os"
	"os/exec"
	"strings"
)

// 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.

//go:build unix || (js && wasm) || wasip1

package os

import (
	"syscall"
)

// Stat returns the [FileInfo] structure describing file.
// If there is an error, it will be of type [*PathError].
func (f *File) Stat() (FileInfo, error) {
	if f == nil {
		return nil, ErrInvalid

// Copyright 2009 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 unix || js || wasip1 || windows

package net

import (
	"context"
	"internal/poll"
	"net/netip"
	"runtime"
	"syscall"
	_ "unsafe" // for linkname
)

// probe probes IPv4, IPv6 and IPv4-mapped IPv6 communication

// Copyright 2014 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 !aix && !darwin && !js && !openbsd && !plan9 && !solaris && !wasip1 && !windows

package runtime

import (
	"internal/runtime/atomic"
	"unsafe"
)

// read calls the read system call.
// It returns a non-negative number of bytes written or a negative errno value.

//   - On other Unix-like systems, Reader reads from /dev/urandom.
//   - On Windows, Reader uses the ProcessPrng API.
//   - On js/wasm, Reader uses the Web Crypto API.
//   - On wasip1/wasm, Reader uses random_get from wasi_snapshot_preview1.
var Reader io.Reader

// Read is a helper function that calls Reader.Read using io.ReadFull.
// On return, n == len(b) if and only if err == nil.

	"testing"
	"time"
)

func TestRepeatBootstrap(t *testing.T) {
	if testing.Short() {
		t.Skip("skipping test that rebuilds the entire toolchain")
	}
	switch runtime.GOOS {
	case "android", "ios", "js", "wasip1":
		t.Skipf("skipping because the toolchain does not have to bootstrap on GOOS=%s", runtime.GOOS)
	}

	realGoroot := testenv.GOROOT(t)

	// To ensure that bootstrapping doesn't unexpectedly depend

// Copyright 2023 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 wasip1

package syscall

import (
	"errors"
	"internal/itoa"
	"internal/oserror"
	"unsafe"
)

type Dircookie = uint64

type Filetype = uint8

const (
	FILETYPE_UNKNOWN Filetype = iota
	FILETYPE_BLOCK_DEVICE
	FILETYPE_CHARACTER_DEVICE

// Copyright 2021 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 ((darwin || dragonfly || freebsd || (js && wasm) || wasip1 || (!android && linux) || netbsd || openbsd || solaris) && ((!cgo && !darwin) || osusergo)) || aix || illumos

package user

import (
	"fmt"
	"slices"
	"strings"
	"testing"
)