switch status {
	case statusDone:
		return ErrProcessDone
	case statusReleased:
		return syscall.EINVAL
	}
	defer p.handleTransientRelease()

	if sig == Kill {
		var terminationHandle syscall.Handle
		e := syscall.DuplicateHandle(^syscall.Handle(0), syscall.Handle(handle), ^syscall.Handle(0), &terminationHandle, syscall.PROCESS_TERMINATE, false, 0)
		if e != nil {
			return NewSyscallError("DuplicateHandle", e)
		}

//go:build unix

package unix

import (
	"syscall"
	_ "unsafe"
)

//go:linkname RecvfromInet4 syscall.recvfromInet4
//go:noescape
func RecvfromInet4(fd int, p []byte, flags int, from *syscall.SockaddrInet4) (int, error)

//go:linkname RecvfromInet6 syscall.recvfromInet6
//go:noescape
func RecvfromInet6(fd int, p []byte, flags int, from *syscall.SockaddrInet6) (n int, err error)

	return syscall.ENOSYS
}

func SendmsgNInet4(fd int, p, oob []byte, to *syscall.SockaddrInet4, flags int) (n int, err error) {
	return 0, syscall.ENOSYS
}

func SendmsgNInet6(fd int, p, oob []byte, to *syscall.SockaddrInet6, flags int) (n int, err error) {
	return 0, syscall.ENOSYS
}

	tcpKeepAliveThreshold, err := syscall.GetsockoptInt(fd, syscall.IPPROTO_TCP, syscall.TCP_KEEPALIVE_THRESHOLD)
	if err != nil {
		t.Fatal(err)
	}
	if time.Duration(tcpKeepAliveThreshold)*time.Millisecond != cfg.Idle {
		t.Fatalf("TCP_KEEPIDLE: got %dms; want %v", tcpKeepAliveThreshold, cfg.Idle)
	}

	tcpKeepAliveAbortInterval, err := syscall.GetsockoptInt(fd, syscall.IPPROTO_TCP, syscall.TCP_KEEPALIVE_ABORT_THRESHOLD)

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

package socktest

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

// WSASocket wraps [syscall.WSASocket].
func (sw *Switch) WSASocket(family, sotype, proto int32, protinfo *syscall.WSAProtocolInfo, group uint32, flags uint32) (s syscall.Handle, err error) {
	sw.once.Do(sw.init)

	so := &Status{Cookie: cookie(int(family), int(sotype), int(proto))}

)

// Errors
var (
	EINVAL       = syscall.NewError("bad arg in system call")
	ENOTDIR      = syscall.NewError("not a directory")
	EISDIR       = syscall.NewError("file is a directory")
	ENOENT       = syscall.NewError("file does not exist")
	EEXIST       = syscall.NewError("file already exists")
	EMFILE       = syscall.NewError("no free file descriptors")
	EIO          = syscall.NewError("i/o error")

		isPermissionTest{err: &os.LinkError{Err: syscall.EPERM}, want: true},
		isPermissionTest{err: &os.LinkError{Err: syscall.EEXIST}, want: false},

		isPermissionTest{err: &os.SyscallError{Err: syscall.EACCES}, want: true},
		isPermissionTest{err: &os.SyscallError{Err: syscall.EPERM}, want: true},
		isPermissionTest{err: &os.SyscallError{Err: syscall.EEXIST}, want: false},
	)

	return syscall.ENOSYS
}

func SendmsgNInet4(fd int, p, oob []byte, to *syscall.SockaddrInet4, flags int) (n int, err error) {
	return 0, syscall.ENOSYS
}

func SendmsgNInet6(fd int, p, oob []byte, to *syscall.SockaddrInet6, flags int) (n int, err error) {
	return 0, syscall.ENOSYS
}

//go:build illumos

package net

import (
	"syscall"
	"testing"
	"time"
)

func getCurrentKeepAliveSettings(fd fdType) (cfg KeepAliveConfig, err error) {
	tcpKeepAlive, err := syscall.GetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_KEEPALIVE)
	if err != nil {
		return
	}
	tcpKeepAliveIdle, err := syscall.GetsockoptInt(fd, syscall.IPPROTO_TCP, syscall_TCP_KEEPIDLE)
	if err != nil {
		return
	}

}

func cgoNameinfoPTR(b []byte, sa *syscall.RawSockaddr, salen int) (int, error) {
	gerrno, err := unix.Getnameinfo(sa, salen, &b[0], len(b), nil, 0, unix.NI_NAMEREQD)
	return int(gerrno), err
}

func cgoSockaddrInet4(ip IP) *syscall.RawSockaddr {
	sa := syscall.RawSockaddrInet4{Len: syscall.SizeofSockaddrInet4, Family: syscall.AF_INET}
	copy(sa.Addr[:], ip)
	return (*syscall.RawSockaddr)(unsafe.Pointer(&sa))
}