// 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.

// Tests a many interesting cases (network, syscalls, a little GC, busy goroutines,
// blocked goroutines, LockOSThread, pipes, and GOMAXPROCS).

//go:build ignore

package main

import (
	"bytes"
	"io"
	"log"
	"net"
	"os"
	"runtime"
	"runtime/trace"
	"sync"

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

package os

import (
	"internal/filepathlite"
	"internal/syscall/windows"
	"syscall"
)

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

	}

	p, err := FindProcess(pid)
	if err != nil {
		t.Fatalf("FindProcess(math.MaxInt32) got err %v, want nil", err)
	}

	if ps, err := p.Wait(); !errors.Is(err, syscall.ECHILD) {
		t.Errorf("Wait() got err %v (ps %+v), want %v", err, ps, syscall.ECHILD)
	}

	if err := p.Release(); err != nil {
		t.Errorf("Release() got err %v, want nil", err)
	}
}

func TestUNIXProcessAlive(t *testing.T) {

package os

import (
	"internal/poll"
	"io"
	"syscall"
)

var (
	pollCopyFileRange = poll.CopyFileRange
	pollSplice        = poll.Splice
)

// wrapSyscallError takes an error and a syscall name. If the error is
// a syscall.Errno, it wraps it in an os.SyscallError using the syscall name.
func wrapSyscallError(name string, err error) error {
	if _, ok := err.(syscall.Errno); ok {
		err = NewSyscallError(name, err)
	}

// Copyright 2024 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"
)

func (p *Process) closeHandle() {
	syscall.Close(int(p.handle))

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

//go:build unix

package script

import (
	"errors"
	"syscall"
)

func isETXTBSY(err error) bool {
	return errors.Is(err, syscall.ETXTBSY)

// Copyright 2024 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 openbsd && !mips64

package syscall

import _ "unsafe"

// used by internal/syscall/unix
//go:linkname unlinkat
//go:linkname openat
//go:linkname fstatat

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

//go:build dragonfly || freebsd

package unix

import "syscall"

// References:
// - https://man.freebsd.org/cgi/man.cgi?open(2)
// - https://man.dragonflybsd.org/?command=open&section=2

// 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 || netbsd || openbsd

package syscall

import _ "unsafe"

// used by internal/syscall/unix
//go:linkname ioctlPtr

// golang.org/x/net linknames sysctl.
// Do not remove or change the type signature.
//

package http

import (
	"context"
	"net"
	"syscall"
	"time"
)

// TODO: if possible implement for non-linux platforms, not a priority at the moment
//
//nolint:unused
func setTCPParametersFn(opts TCPOptions) func(network, address string, c syscall.RawConn) error {
	return func(network, address string, c syscall.RawConn) error {
		return nil
	}
}