//sys	CreateEventEx(eventAttrs *SecurityAttributes, name *uint16, flags uint32, desiredAccess uint32) (handle Handle, err error) [failretval == 0 || e1 == ERROR_ALREADY_EXISTS] = kernel32.CreateEventExW

	ERROR_BUFFER_OVERFLOW     Errno = 111
	ERROR_INSUFFICIENT_BUFFER Errno = 122
	ERROR_MOD_NOT_FOUND       Errno = 126
	ERROR_PROC_NOT_FOUND      Errno = 127
	ERROR_DIR_NOT_EMPTY       Errno = 145
	ERROR_ALREADY_EXISTS      Errno = 183
	ERROR_ENVVAR_NOT_FOUND    Errno = 203
	ERROR_MORE_DATA           Errno = 234
	ERROR_OPERATION_ABORTED   Errno = 995
	ERROR_IO_PENDING          Errno = 997
	ERROR_NOT_FOUND           Errno = 1168

	r0, _, e1 := syscall.Syscall6(procCreateEventExW.Addr(), 4, uintptr(unsafe.Pointer(eventAttrs)), uintptr(unsafe.Pointer(name)), uintptr(flags), uintptr(desiredAccess), 0, 0)
	handle = Handle(r0)
	if handle == 0 || e1 == ERROR_ALREADY_EXISTS {
		err = errnoErr(e1)
	}
	return
}

func CreateEvent(eventAttrs *SecurityAttributes, manualReset uint32, initialState uint32, name *uint16) (handle Handle, err error) {

)

func (e Errno) Is(target error) bool {
	switch target {
	case oserror.ErrPermission:
		return e == ERROR_ACCESS_DENIED ||
			e == EACCES ||
			e == EPERM
	case oserror.ErrExist:
		return e == ERROR_ALREADY_EXISTS ||
			e == ERROR_DIR_NOT_EMPTY ||
			e == ERROR_FILE_EXISTS ||
			e == EEXIST ||
			e == ENOTEMPTY
	case oserror.ErrNotExist:
		return e == ERROR_FILE_NOT_FOUND ||
			e == _ERROR_BAD_NETPATH ||

	ERROR_INVALID_SEGMENT_NUMBER                                              syscall.Errno = 180
	ERROR_INVALID_ORDINAL                                                     syscall.Errno = 182
	ERROR_ALREADY_EXISTS                                                      syscall.Errno = 183
	ERROR_INVALID_FLAG_NUMBER                                                 syscall.Errno = 186

		{"EREMOTEIO", Const, 0},
		{"ERESTART", Const, 0},
		{"ERFKILL", Const, 0},
		{"EROFS", Const, 0},
		{"ERPCMISMATCH", Const, 0},
		{"ERROR_ACCESS_DENIED", Const, 0},
		{"ERROR_ALREADY_EXISTS", Const, 0},
		{"ERROR_BROKEN_PIPE", Const, 0},
		{"ERROR_BUFFER_OVERFLOW", Const, 0},
		{"ERROR_DIR_NOT_EMPTY", Const, 8},
		{"ERROR_ENVVAR_NOT_FOUND", Const, 0},
		{"ERROR_FILE_EXISTS", Const, 0},

pkg syscall (windows-386), const EREMOTEIO Errno
pkg syscall (windows-386), const ERESTART Errno
pkg syscall (windows-386), const ERROR_ACCESS_DENIED Errno
pkg syscall (windows-386), const ERROR_ALREADY_EXISTS Errno
pkg syscall (windows-386), const ERROR_BROKEN_PIPE Errno
pkg syscall (windows-386), const ERROR_BUFFER_OVERFLOW Errno
pkg syscall (windows-386), const ERROR_ENVVAR_NOT_FOUND Errno

pkg syscall (windows-386), const ERESTART = 536871023
pkg syscall (windows-386), const EROFS = 536871024
pkg syscall (windows-386), const ERROR_ACCESS_DENIED = 5
pkg syscall (windows-386), const ERROR_ALREADY_EXISTS = 183
pkg syscall (windows-386), const ERROR_BROKEN_PIPE = 109
pkg syscall (windows-386), const ERROR_BUFFER_OVERFLOW = 111
pkg syscall (windows-386), const ERROR_ENVVAR_NOT_FOUND = 203