text: /*[clinic input]
  preserve
  [clinic start generated code]*/
  
  PyDoc_STRVAR(select_select__doc__,
  "select($module, rlist, wlist, xlist, timeout=None, /)\n"
  "--\n"
  "\n"
  "Wait until one or more file descriptors are ready for some kind of I/O.\n"
  "\n"
  "The first three arguments are iterables of file descriptors to be waited for:\n"
  "rlist -- wait until ready for reading\n"
  "wlist -- wait until ready for writing\n"
  "xlist -- wait for an \"exceptional condition\"\n"
  "If only one kind of condition is required, pass [] for the other lists.\n"
  "\n"
  "A file descriptor is either a socket or file object, or a small integer\n"
  "gotten from a fileno() method call on one of those.\n"
  "\n"
  "The optional 4th argument specifies a timeout in seconds; it may be\n"
  "a floating point number to specify fractions of seconds.  If it is absent\n"
  "or None, the call will never time out.\n"
  "\n"
  "The return value is a tuple of three lists corresponding to the first three\n"
  "arguments; each contains the subset of the corresponding file descriptors\n"
  "that are ready.\n"
  "\n"
  "*** IMPORTANT NOTICE ***\n"
  "On Windows, only sockets are supported; on Unix, all file\n"
  "descriptors can be used.");
  
  #define SELECT_SELECT_METHODDEF    \
      {"select", (PyCFunction)(void(*)(void))select_select, METH_FASTCALL, select_select__doc__},
  
  static PyObject *
  select_select_impl(PyObject *module, PyObject *rlist, PyObject *wlist,
                     PyObject *xlist, PyObject *timeout_obj);
  
  static PyObject *
  select_select(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
  {
      PyObject *return_value = NULL;
      PyObject *rlist;
      PyObject *wlist;
      PyObject *xlist;
      PyObject *timeout_obj = Py_None;
  
      if (!_PyArg_CheckPositional("select", nargs, 3, 4)) {
          goto exit;
      }
      rlist = args[0];
      wlist = args[1];
      xlist = args[2];
      if (nargs < 4) {
          goto skip_optional;
      }
      timeout_obj = args[3];
  skip_optional:
      return_value = select_select_impl(module, rlist, wlist, xlist, timeout_obj);
  
  exit:
      return return_value;
  }
  
  #if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL))
  
  PyDoc_STRVAR(select_poll_register__doc__,
  "register($self, fd, eventmask=POLLIN | POLLPRI | POLLOUT, /)\n"
  "--\n"
  "\n"
  "Register a file descriptor with the polling object.\n"
  "\n"
  "  fd\n"
  "    either an integer, or an object with a fileno() method returning an int\n"
  "  eventmask\n"
  "    an optional bitmask describing the type of events to check for");
  
  #define SELECT_POLL_REGISTER_METHODDEF    \
      {"register", (PyCFunction)(void(*)(void))select_poll_register, METH_FASTCALL, select_poll_register__doc__},
  
  static PyObject *
  select_poll_register_impl(pollObject *self, int fd, unsigned short eventmask);
  
  static PyObject *
  select_poll_register(pollObject *self, PyObject *const *args, Py_ssize_t nargs)
  {
      PyObject *return_value = NULL;
      int fd;
      unsigned short eventmask = POLLIN | POLLPRI | POLLOUT;
  
      if (!_PyArg_CheckPositional("register", nargs, 1, 2)) {
          goto exit;
      }
      if (!fildes_converter(args[0], &fd)) {
          goto exit;
      }
      if (nargs < 2) {
          goto skip_optional;
      }
      if (!_PyLong_UnsignedShort_Converter(args[1], &eventmask)) {
          goto exit;
      }
  skip_optional:
      return_value = select_poll_register_impl(self, fd, eventmask);
  
  exit:
      return return_value;
  }
  
  #endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) */
  
  #if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL))
  
  PyDoc_STRVAR(select_poll_modify__doc__,
  "modify($self, fd, eventmask, /)\n"
  "--\n"
  "\n"
  "Modify an already registered file descriptor.\n"
  "\n"
  "  fd\n"
  "    either an integer, or an object with a fileno() method returning\n"
  "    an int\n"
  "  eventmask\n"
  "    a bitmask describing the type of events to check for");
  
  #define SELECT_POLL_MODIFY_METHODDEF    \
      {"modify", (PyCFunction)(void(*)(void))select_poll_modify, METH_FASTCALL, select_poll_modify__doc__},
  
  static PyObject *
  select_poll_modify_impl(pollObject *self, int fd, unsigned short eventmask);
  
  static PyObject *
  select_poll_modify(pollObject *self, PyObject *const *args, Py_ssize_t nargs)
  {
      PyObject *return_value = NULL;
      int fd;
      unsigned short eventmask;
  
      if (!_PyArg_CheckPositional("modify", nargs, 2, 2)) {
          goto exit;
      }
      if (!fildes_converter(args[0], &fd)) {
          goto exit;
      }
      if (!_PyLong_UnsignedShort_Converter(args[1], &eventmask)) {
          goto exit;
      }
      return_value = select_poll_modify_impl(self, fd, eventmask);
  
  exit:
      return return_value;
  }
  
  #endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) */
  
  #if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL))
  
  PyDoc_STRVAR(select_poll_unregister__doc__,
  "unregister($self, fd, /)\n"
  "--\n"
  "\n"
  "Remove a file descriptor being tracked by the polling object.");
  
  #define SELECT_POLL_UNREGISTER_METHODDEF    \
      {"unregister", (PyCFunction)select_poll_unregister, METH_O, select_poll_unregister__doc__},
  
  static PyObject *
  select_poll_unregister_impl(pollObject *self, int fd);
  
  static PyObject *
  select_poll_unregister(pollObject *self, PyObject *arg)
  {
      PyObject *return_value = NULL;
      int fd;
  
      if (!fildes_converter(arg, &fd)) {
          goto exit;
      }
      return_value = select_poll_unregister_impl(self, fd);
  
  exit:
      return return_value;
  }
  
  #endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) */
  
  #if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL))
  
  PyDoc_STRVAR(select_poll_poll__doc__,
  "poll($self, timeout=None, /)\n"
  "--\n"
  "\n"
  "Polls the set of registered file descriptors.\n"
  "\n"
  "Returns a list containing any descriptors that have events or errors to\n"
  "report, as a list of (fd, event) 2-tuples.");
  
  #define SELECT_POLL_POLL_METHODDEF    \
      {"poll", (PyCFunction)(void(*)(void))select_poll_poll, METH_FASTCALL, select_poll_poll__doc__},
  
  static PyObject *
  select_poll_poll_impl(pollObject *self, PyObject *timeout_obj);
  
  static PyObject *
  select_poll_poll(pollObject *self, PyObject *const *args, Py_ssize_t nargs)
  {
      PyObject *return_value = NULL;
      PyObject *timeout_obj = Py_None;
  
      if (!_PyArg_CheckPositional("poll", nargs, 0, 1)) {
          goto exit;
      }
      if (nargs < 1) {
          goto skip_optional;
      }
      timeout_obj = args[0];
  skip_optional:
      return_value = select_poll_poll_impl(self, timeout_obj);
  
  exit:
      return return_value;
  }
  
  #endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) */
  
  #if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H)
  
  PyDoc_STRVAR(select_devpoll_register__doc__,
  "register($self, fd, eventmask=POLLIN | POLLPRI | POLLOUT, /)\n"
  "--\n"
  "\n"
  "Register a file descriptor with the polling object.\n"
  "\n"
  "  fd\n"
  "    either an integer, or an object with a fileno() method returning\n"
  "    an int\n"
  "  eventmask\n"
  "    an optional bitmask describing the type of events to check for");
  
  #define SELECT_DEVPOLL_REGISTER_METHODDEF    \
      {"register", (PyCFunction)(void(*)(void))select_devpoll_register, METH_FASTCALL, select_devpoll_register__doc__},
  
  static PyObject *
  select_devpoll_register_impl(devpollObject *self, int fd,
                               unsigned short eventmask);
  
  static PyObject *
  select_devpoll_register(devpollObject *self, PyObject *const *args, Py_ssize_t nargs)
  {
      PyObject *return_value = NULL;
      int fd;
      unsigned short eventmask = POLLIN | POLLPRI | POLLOUT;
  
      if (!_PyArg_CheckPositional("register", nargs, 1, 2)) {
          goto exit;
      }
      if (!fildes_converter(args[0], &fd)) {
          goto exit;
      }
      if (nargs < 2) {
          goto skip_optional;
      }
      if (!_PyLong_UnsignedShort_Converter(args[1], &eventmask)) {
          goto exit;
      }
  skip_optional:
      return_value = select_devpoll_register_impl(self, fd, eventmask);
  
  exit:
      return return_value;
  }
  
  #endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H) */
  
  #if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H)
  
  PyDoc_STRVAR(select_devpoll_modify__doc__,
  "modify($self, fd, eventmask=POLLIN | POLLPRI | POLLOUT, /)\n"
  "--\n"
  "\n"
  "Modify a possible already registered file descriptor.\n"
  "\n"
  "  fd\n"
  "    either an integer, or an object with a fileno() method returning\n"
  "    an int\n"
  "  eventmask\n"
  "    an optional bitmask describing the type of events to check for");
  
  #define SELECT_DEVPOLL_MODIFY_METHODDEF    \
      {"modify", (PyCFunction)(void(*)(void))select_devpoll_modify, METH_FASTCALL, select_devpoll_modify__doc__},
  
  static PyObject *
  select_devpoll_modify_impl(devpollObject *self, int fd,
                             unsigned short eventmask);
  
  static PyObject *
  select_devpoll_modify(devpollObject *self, PyObject *const *args, Py_ssize_t nargs)
  {
      PyObject *return_value = NULL;
      int fd;
      unsigned short eventmask = POLLIN | POLLPRI | POLLOUT;
  
      if (!_PyArg_CheckPositional("modify", nargs, 1, 2)) {
          goto exit;
      }
      if (!fildes_converter(args[0], &fd)) {
          goto exit;
      }
      if (nargs < 2) {
          goto skip_optional;
      }
      if (!_PyLong_UnsignedShort_Converter(args[1], &eventmask)) {
          goto exit;
      }
  skip_optional:
      return_value = select_devpoll_modify_impl(self, fd, eventmask);
  
  exit:
      return return_value;
  }
  
  #endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H) */
  
  #if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H)
  
  PyDoc_STRVAR(select_devpoll_unregister__doc__,
  "unregister($self, fd, /)\n"
  "--\n"
  "\n"
  "Remove a file descriptor being tracked by the polling object.");
  
  #define SELECT_DEVPOLL_UNREGISTER_METHODDEF    \
      {"unregister", (PyCFunction)select_devpoll_unregister, METH_O, select_devpoll_unregister__doc__},
  
  static PyObject *
  select_devpoll_unregister_impl(devpollObject *self, int fd);
  
  static PyObject *
  select_devpoll_unregister(devpollObject *self, PyObject *arg)
  {
      PyObject *return_value = NULL;
      int fd;
  
      if (!fildes_converter(arg, &fd)) {
          goto exit;
      }
      return_value = select_devpoll_unregister_impl(self, fd);
  
  exit:
      return return_value;
  }
  
  #endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H) */
  
  #if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H)
  
  PyDoc_STRVAR(select_devpoll_poll__doc__,
  "poll($self, timeout=None, /)\n"
  "--\n"
  "\n"
  "Polls the set of registered file descriptors.\n"
  "\n"
  "Returns a list containing any descriptors that have events or errors to\n"
  "report, as a list of (fd, event) 2-tuples.");
  
  #define SELECT_DEVPOLL_POLL_METHODDEF    \
      {"poll", (PyCFunction)(void(*)(void))select_devpoll_poll, METH_FASTCALL, select_devpoll_poll__doc__},
  
  static PyObject *
  select_devpoll_poll_impl(devpollObject *self, PyObject *timeout_obj);
  
  static PyObject *
  select_devpoll_poll(devpollObject *self, PyObject *const *args, Py_ssize_t nargs)
  {
      PyObject *return_value = NULL;
      PyObject *timeout_obj = Py_None;
  
      if (!_PyArg_CheckPositional("poll", nargs, 0, 1)) {
          goto exit;
      }
      if (nargs < 1) {
          goto skip_optional;
      }
      timeout_obj = args[0];
  skip_optional:
      return_value = select_devpoll_poll_impl(self, timeout_obj);
  
  exit:
      return return_value;
  }
  
  #endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H) */
  
  #if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H)
  
  PyDoc_STRVAR(select_devpoll_close__doc__,
  "close($self, /)\n"
  "--\n"
  "\n"
  "Close the devpoll file descriptor.\n"
  "\n"
  "Further operations on the devpoll object will raise an exception.");
  
  #define SELECT_DEVPOLL_CLOSE_METHODDEF    \
      {"close", (PyCFunction)select_devpoll_close, METH_NOARGS, select_devpoll_close__doc__},
  
  static PyObject *
  select_devpoll_close_impl(devpollObject *self);
  
  static PyObject *
  select_devpoll_close(devpollObject *self, PyObject *Py_UNUSED(ignored))
  {
      return select_devpoll_close_impl(self);
  }
  
  #endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H) */
  
  #if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H)
  
  PyDoc_STRVAR(select_devpoll_fileno__doc__,
  "fileno($self, /)\n"
  "--\n"
  "\n"
  "Return the file descriptor.");
  
  #define SELECT_DEVPOLL_FILENO_METHODDEF    \
      {"fileno", (PyCFunction)select_devpoll_fileno, METH_NOARGS, select_devpoll_fileno__doc__},
  
  static PyObject *
  select_devpoll_fileno_impl(devpollObject *self);
  
  static PyObject *
  select_devpoll_fileno(devpollObject *self, PyObject *Py_UNUSED(ignored))
  {
      return select_devpoll_fileno_impl(self);
  }
  
  #endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H) */
  
  #if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL))
  
  PyDoc_STRVAR(select_poll__doc__,
  "poll($module, /)\n"
  "--\n"
  "\n"
  "Returns a polling object.\n"
  "\n"
  "This object supports registering and unregistering file descriptors, and then\n"
  "polling them for I/O events.");
  
  #define SELECT_POLL_METHODDEF    \
      {"poll", (PyCFunction)select_poll, METH_NOARGS, select_poll__doc__},
  
  static PyObject *
  select_poll_impl(PyObject *module);
  
  static PyObject *
  select_poll(PyObject *module, PyObject *Py_UNUSED(ignored))
  {
      return select_poll_impl(module);
  }
  
  #endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) */
  
  #if (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H)
  
  PyDoc_STRVAR(select_devpoll__doc__,
  "devpoll($module, /)\n"
  "--\n"
  "\n"
  "Returns a polling object.\n"
  "\n"
  "This object supports registering and unregistering file descriptors, and then\n"
  "polling them for I/O events.");
  
  #define SELECT_DEVPOLL_METHODDEF    \
      {"devpoll", (PyCFunction)select_devpoll, METH_NOARGS, select_devpoll__doc__},
  
  static PyObject *
  select_devpoll_impl(PyObject *module);
  
  static PyObject *
  select_devpoll(PyObject *module, PyObject *Py_UNUSED(ignored))
  {
      return select_devpoll_impl(module);
  }
  
  #endif /* (defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)) && defined(HAVE_SYS_DEVPOLL_H) */
  
  #if defined(HAVE_EPOLL)
  
  PyDoc_STRVAR(select_epoll__doc__,
  "epoll(sizehint=-1, flags=0)\n"
  "--\n"
  "\n"
  "Returns an epolling object.\n"
  "\n"
  "  sizehint\n"
  "    The expected number of events to be registered.  It must be positive,\n"
  "    or -1 to use the default.  It is only used on older systems where\n"
  "    epoll_create1() is not available; otherwise it has no effect (though its\n"
  "    value is still checked).\n"
  "  flags\n"
  "    Deprecated and completely ignored.  However, when supplied, its value\n"
  "    must be 0 or select.EPOLL_CLOEXEC, otherwise OSError is raised.");
  
  static PyObject *
  select_epoll_impl(PyTypeObject *type, int sizehint, int flags);
  
  static PyObject *
  select_epoll(PyTypeObject *type, PyObject *args, PyObject *kwargs)
  {
      PyObject *return_value = NULL;
      static const char * const _keywords[] = {"sizehint", "flags", NULL};
      static _PyArg_Parser _parser = {NULL, _keywords, "epoll", 0};
      PyObject *argsbuf[2];
      PyObject * const *fastargs;
      Py_ssize_t nargs = PyTuple_GET_SIZE(args);
      Py_ssize_t noptargs = nargs + (kwargs ? PyDict_GET_SIZE(kwargs) : 0) - 0;
      int sizehint = -1;
      int flags = 0;
  
      fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser, 0, 2, 0, argsbuf);
      if (!fastargs) {
          goto exit;
      }
      if (!noptargs) {
          goto skip_optional_pos;
      }
      if (fastargs[0]) {
          sizehint = _PyLong_AsInt(fastargs[0]);
          if (sizehint == -1 && PyErr_Occurred()) {
              goto exit;
          }
          if (!--noptargs) {
              goto skip_optional_pos;
          }
      }
      flags = _PyLong_AsInt(fastargs[1]);
      if (flags == -1 && PyErr_Occurred()) {
          goto exit;
      }
  skip_optional_pos:
      return_value = select_epoll_impl(type, sizehint, flags);
  
  exit:
      return return_value;
  }
  
  #endif /* defined(HAVE_EPOLL) */
  
  #if defined(HAVE_EPOLL)
  
  PyDoc_STRVAR(select_epoll_close__doc__,
  "close($self, /)\n"
  "--\n"
  "\n"
  "Close the epoll control file descriptor.\n"
  "\n"
  "Further operations on the epoll object will raise an exception.");
  
  #define SELECT_EPOLL_CLOSE_METHODDEF    \
      {"close", (PyCFunction)select_epoll_close, METH_NOARGS, select_epoll_close__doc__},
  
  static PyObject *
  select_epoll_close_impl(pyEpoll_Object *self);
  
  static PyObject *
  select_epoll_close(pyEpoll_Object *self, PyObject *Py_UNUSED(ignored))
  {
      return select_epoll_close_impl(self);
  }
  
  #endif /* defined(HAVE_EPOLL) */
  
  #if defined(HAVE_EPOLL)
  
  PyDoc_STRVAR(select_epoll_fileno__doc__,
  "fileno($self, /)\n"
  "--\n"
  "\n"
  "Return the epoll control file descriptor.");
  
  #define SELECT_EPOLL_FILENO_METHODDEF    \
      {"fileno", (PyCFunction)select_epoll_fileno, METH_NOARGS, select_epoll_fileno__doc__},
  
  static PyObject *
  select_epoll_fileno_impl(pyEpoll_Object *self);
  
  static PyObject *
  select_epoll_fileno(pyEpoll_Object *self, PyObject *Py_UNUSED(ignored))
  {
      return select_epoll_fileno_impl(self);
  }
  
  #endif /* defined(HAVE_EPOLL) */
  
  #if defined(HAVE_EPOLL)
  
  PyDoc_STRVAR(select_epoll_fromfd__doc__,
  "fromfd($type, fd, /)\n"
  "--\n"
  "\n"
  "Create an epoll object from a given control fd.");
  
  #define SELECT_EPOLL_FROMFD_METHODDEF    \
      {"fromfd", (PyCFunction)select_epoll_fromfd, METH_O|METH_CLASS, select_epoll_fromfd__doc__},
  
  static PyObject *
  select_epoll_fromfd_impl(PyTypeObject *type, int fd);
  
  static PyObject *
  select_epoll_fromfd(PyTypeObject *type, PyObject *arg)
  {
      PyObject *return_value = NULL;
      int fd;
  
      fd = _PyLong_AsInt(arg);
      if (fd == -1 && PyErr_Occurred()) {
          goto exit;
      }
      return_value = select_epoll_fromfd_impl(type, fd);
  
  exit:
      return return_value;
  }
  
  #endif /* defined(HAVE_EPOLL) */
  
  #if defined(HAVE_EPOLL)
  
  PyDoc_STRVAR(select_epoll_register__doc__,
  "register($self, /, fd, eventmask=EPOLLIN | EPOLLPRI | EPOLLOUT)\n"
  "--\n"
  "\n"
  "Registers a new fd or raises an OSError if the fd is already registered.\n"
  "\n"
  "  fd\n"
  "    the target file descriptor of the operation\n"
  "  eventmask\n"
  "    a bit set composed of the various EPOLL constants\n"
  "\n"
  "The epoll interface supports all file descriptors that support poll.");
  
  #define SELECT_EPOLL_REGISTER_METHODDEF    \
      {"register", (PyCFunction)(void(*)(void))select_epoll_register, METH_FASTCALL|METH_KEYWORDS, select_epoll_register__doc__},
  
  static PyObject *
  select_epoll_register_impl(pyEpoll_Object *self, int fd,
                             unsigned int eventmask);
  
  static PyObject *
  select_epoll_register(pyEpoll_Object *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
  {
      PyObject *return_value = NULL;
      static const char * const _keywords[] = {"fd", "eventmask", NULL};
      static _PyArg_Parser _parser = {NULL, _keywords, "register", 0};
      PyObject *argsbuf[2];
      Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
      int fd;
      unsigned int eventmask = EPOLLIN | EPOLLPRI | EPOLLOUT;
  
      args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 2, 0, argsbuf);
      if (!args) {
          goto exit;
      }
      if (!fildes_converter(args[0], &fd)) {
          goto exit;
      }
      if (!noptargs) {
          goto skip_optional_pos;
      }
      eventmask = (unsigned int)PyLong_AsUnsignedLongMask(args[1]);
      if (eventmask == (unsigned int)-1 && PyErr_Occurred()) {
          goto exit;
      }
  skip_optional_pos:
      return_value = select_epoll_register_impl(self, fd, eventmask);
  
  exit:
      return return_value;
  }
  
  #endif /* defined(HAVE_EPOLL) */
  
  #if defined(HAVE_EPOLL)
  
  PyDoc_STRVAR(select_epoll_modify__doc__,
  "modify($self, /, fd, eventmask)\n"
  "--\n"
  "\n"
  "Modify event mask for a registered file descriptor.\n"
  "\n"
  "  fd\n"
  "    the target file descriptor of the operation\n"
  "  eventmask\n"
  "    a bit set composed of the various EPOLL constants");
  
  #define SELECT_EPOLL_MODIFY_METHODDEF    \
      {"modify", (PyCFunction)(void(*)(void))select_epoll_modify, METH_FASTCALL|METH_KEYWORDS, select_epoll_modify__doc__},
  
  static PyObject *
  select_epoll_modify_impl(pyEpoll_Object *self, int fd,
                           unsigned int eventmask);
  
  static PyObject *
  select_epoll_modify(pyEpoll_Object *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
  {
      PyObject *return_value = NULL;
      static const char * const _keywords[] = {"fd", "eventmask", NULL};
      static _PyArg_Parser _parser = {NULL, _keywords, "modify", 0};
      PyObject *argsbuf[2];
      int fd;
      unsigned int eventmask;
  
      args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 2, 2, 0, argsbuf);
      if (!args) {
          goto exit;
      }
      if (!fildes_converter(args[0], &fd)) {
          goto exit;
      }
      eventmask = (unsigned int)PyLong_AsUnsignedLongMask(args[1]);
      if (eventmask == (unsigned int)-1 && PyErr_Occurred()) {
          goto exit;
      }
      return_value = select_epoll_modify_impl(self, fd, eventmask);
  
  exit:
      return return_value;
  }
  
  #endif /* defined(HAVE_EPOLL) */
  
  #if defined(HAVE_EPOLL)
  
  PyDoc_STRVAR(select_epoll_unregister__doc__,
  "unregister($self, /, fd)\n"
  "--\n"
  "\n"
  "Remove a registered file descriptor from the epoll object.\n"
  "\n"
  "  fd\n"
  "    the target file descriptor of the operation");
  
  #define SELECT_EPOLL_UNREGISTER_METHODDEF    \
      {"unregister", (PyCFunction)(void(*)(void))select_epoll_unregister, METH_FASTCALL|METH_KEYWORDS, select_epoll_unregister__doc__},
  
  static PyObject *
  select_epoll_unregister_impl(pyEpoll_Object *self, int fd);
  
  static PyObject *
  select_epoll_unregister(pyEpoll_Object *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
  {
      PyObject *return_value = NULL;
      static const char * const _keywords[] = {"fd", NULL};
      static _PyArg_Parser _parser = {NULL, _keywords, "unregister", 0};
      PyObject *argsbuf[1];
      int fd;
  
      args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, argsbuf);
      if (!args) {
          goto exit;
      }
      if (!fildes_converter(args[0], &fd)) {
          goto exit;
      }
      return_value = select_epoll_unregister_impl(self, fd);
  
  exit:
      return return_value;
  }
  
  #endif /* defined(HAVE_EPOLL) */
  
  #if defined(HAVE_EPOLL)
  
  PyDoc_STRVAR(select_epoll_poll__doc__,
  "poll($self, /, timeout=None, maxevents=-1)\n"
  "--\n"
  "\n"
  "Wait for events on the epoll file descriptor.\n"
  "\n"
  "  timeout\n"
  "    the maximum time to wait in seconds (as float);\n"
  "    a timeout of None or -1 makes poll wait indefinitely\n"
  "  maxevents\n"
  "    the maximum number of events returned; -1 means no limit\n"
  "\n"
  "Returns a list containing any descriptors that have events to report,\n"
  "as a list of (fd, events) 2-tuples.");
  
  #define SELECT_EPOLL_POLL_METHODDEF    \
      {"poll", (PyCFunction)(void(*)(void))select_epoll_poll, METH_FASTCALL|METH_KEYWORDS, select_epoll_poll__doc__},
  
  static PyObject *
  select_epoll_poll_impl(pyEpoll_Object *self, PyObject *timeout_obj,
                         int maxevents);
  
  static PyObject *
  select_epoll_poll(pyEpoll_Object *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
  {
      PyObject *return_value = NULL;
      static const char * const _keywords[] = {"timeout", "maxevents", NULL};
      static _PyArg_Parser _parser = {NULL, _keywords, "poll", 0};
      PyObject *argsbuf[2];
      Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 0;
      PyObject *timeout_obj = Py_None;
      int maxevents = -1;
  
      args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 0, 2, 0, argsbuf);
      if (!args) {
          goto exit;
      }
      if (!noptargs) {
          goto skip_optional_pos;
      }
      if (args[0]) {
          timeout_obj = args[0];
          if (!--noptargs) {
              goto skip_optional_pos;
          }
      }
      maxevents = _PyLong_AsInt(args[1]);
      if (maxevents == -1 && PyErr_Occurred()) {
          goto exit;
      }
  skip_optional_pos:
      return_value = select_epoll_poll_impl(self, timeout_obj, maxevents);
  
  exit:
      return return_value;
  }
  
  #endif /* defined(HAVE_EPOLL) */
  
  #if defined(HAVE_EPOLL)
  
  PyDoc_STRVAR(select_epoll___enter____doc__,
  "__enter__($self, /)\n"
  "--\n"
  "\n");
  
  #define SELECT_EPOLL___ENTER___METHODDEF    \
      {"__enter__", (PyCFunction)select_epoll___enter__, METH_NOARGS, select_epoll___enter____doc__},
  
  static PyObject *
  select_epoll___enter___impl(pyEpoll_Object *self);
  
  static PyObject *
  select_epoll___enter__(pyEpoll_Object *self, PyObject *Py_UNUSED(ignored))
  {
      return select_epoll___enter___impl(self);
  }
  
  #endif /* defined(HAVE_EPOLL) */
  
  #if defined(HAVE_EPOLL)
  
  PyDoc_STRVAR(select_epoll___exit____doc__,
  "__exit__($self, exc_type=None, exc_value=None, exc_tb=None, /)\n"
  "--\n"
  "\n");
  
  #define SELECT_EPOLL___EXIT___METHODDEF    \
      {"__exit__", (PyCFunction)(void(*)(void))select_epoll___exit__, METH_FASTCALL, select_epoll___exit____doc__},
  
  static PyObject *
  select_epoll___exit___impl(pyEpoll_Object *self, PyObject *exc_type,
                             PyObject *exc_value, PyObject *exc_tb);
  
  static PyObject *
  select_epoll___exit__(pyEpoll_Object *self, PyObject *const *args, Py_ssize_t nargs)
  {
      PyObject *return_value = NULL;
      PyObject *exc_type = Py_None;
      PyObject *exc_value = Py_None;
      PyObject *exc_tb = Py_None;
  
      if (!_PyArg_CheckPositional("__exit__", nargs, 0, 3)) {
          goto exit;
      }
      if (nargs < 1) {
          goto skip_optional;
      }
      exc_type = args[0];
      if (nargs < 2) {
          goto skip_optional;
      }
      exc_value = args[1];
      if (nargs < 3) {
          goto skip_optional;
      }
      exc_tb = args[2];
  skip_optional:
      return_value = select_epoll___exit___impl(self, exc_type, exc_value, exc_tb);
  
  exit:
      return return_value;
  }
  
  #endif /* defined(HAVE_EPOLL) */
  
  #if defined(HAVE_KQUEUE)
  
  PyDoc_STRVAR(select_kqueue__doc__,
  "kqueue()\n"
  "--\n"
  "\n"
  "Kqueue syscall wrapper.\n"
  "\n"
  "For example, to start watching a socket for input:\n"
  ">>> kq = kqueue()\n"
  ">>> sock = socket()\n"
  ">>> sock.connect((host, port))\n"
  ">>> kq.control([kevent(sock, KQ_FILTER_WRITE, KQ_EV_ADD)], 0)\n"
  "\n"
  "To wait one second for it to become writeable:\n"
  ">>> kq.control(None, 1, 1000)\n"
  "\n"
  "To stop listening:\n"
  ">>> kq.control([kevent(sock, KQ_FILTER_WRITE, KQ_EV_DELETE)], 0)");
  
  static PyObject *
  select_kqueue_impl(PyTypeObject *type);
  
  static PyObject *
  select_kqueue(PyTypeObject *type, PyObject *args, PyObject *kwargs)
  {
      PyObject *return_value = NULL;
  
      if ((type == _selectstate_global->kqueue_queue_Type) &&
          !_PyArg_NoPositional("kqueue", args)) {
          goto exit;
      }
      if ((type == _selectstate_global->kqueue_queue_Type) &&
          !_PyArg_NoKeywords("kqueue", kwargs)) {
          goto exit;
      }
      return_value = select_kqueue_impl(type);
  
  exit:
      return return_value;
  }
  
  #endif /* defined(HAVE_KQUEUE) */
  
  #if defined(HAVE_KQUEUE)
  
  PyDoc_STRVAR(select_kqueue_close__doc__,
  "close($self, /)\n"
  "--\n"
  "\n"
  "Close the kqueue control file descriptor.\n"
  "\n"
  "Further operations on the kqueue object will raise an exception.");
  
  #define SELECT_KQUEUE_CLOSE_METHODDEF    \
      {"close", (PyCFunction)select_kqueue_close, METH_NOARGS, select_kqueue_close__doc__},
  
  static PyObject *
  select_kqueue_close_impl(kqueue_queue_Object *self);
  
  static PyObject *
  select_kqueue_close(kqueue_queue_Object *self, PyObject *Py_UNUSED(ignored))
  {
      return select_kqueue_close_impl(self);
  }
  
  #endif /* defined(HAVE_KQUEUE) */
  
  #if defined(HAVE_KQUEUE)
  
  PyDoc_STRVAR(select_kqueue_fileno__doc__,
  "fileno($self, /)\n"
  "--\n"
  "\n"
  "Return the kqueue control file descriptor.");
  
  #define SELECT_KQUEUE_FILENO_METHODDEF    \
      {"fileno", (PyCFunction)select_kqueue_fileno, METH_NOARGS, select_kqueue_fileno__doc__},
  
  static PyObject *
  select_kqueue_fileno_impl(kqueue_queue_Object *self);
  
  static PyObject *
  select_kqueue_fileno(kqueue_queue_Object *self, PyObject *Py_UNUSED(ignored))
  {
      return select_kqueue_fileno_impl(self);
  }
  
  #endif /* defined(HAVE_KQUEUE) */
  
  #if defined(HAVE_KQUEUE)
  
  PyDoc_STRVAR(select_kqueue_fromfd__doc__,
  "fromfd($type, fd, /)\n"
  "--\n"
  "\n"
  "Create a kqueue object from a given control fd.");
  
  #define SELECT_KQUEUE_FROMFD_METHODDEF    \
      {"fromfd", (PyCFunction)select_kqueue_fromfd, METH_O|METH_CLASS, select_kqueue_fromfd__doc__},
  
  static PyObject *
  select_kqueue_fromfd_impl(PyTypeObject *type, int fd);
  
  static PyObject *
  select_kqueue_fromfd(PyTypeObject *type, PyObject *arg)
  {
      PyObject *return_value = NULL;
      int fd;
  
      fd = _PyLong_AsInt(arg);
      if (fd == -1 && PyErr_Occurred()) {
          goto exit;
      }
      return_value = select_kqueue_fromfd_impl(type, fd);
  
  exit:
      return return_value;
  }
  
  #endif /* defined(HAVE_KQUEUE) */
  
  #if defined(HAVE_KQUEUE)
  
  PyDoc_STRVAR(select_kqueue_control__doc__,
  "control($self, changelist, maxevents, timeout=None, /)\n"
  "--\n"
  "\n"
  "Calls the kernel kevent function.\n"
  "\n"
  "  changelist\n"
  "    Must be an iterable of kevent objects describing the changes to be made\n"
  "    to the kernel\'s watch list or None.\n"
  "  maxevents\n"
  "    The maximum number of events that the kernel will return.\n"
  "  timeout\n"
  "    The maximum time to wait in seconds, or else None to wait forever.\n"
  "    This accepts floats for smaller timeouts, too.");
  
  #define SELECT_KQUEUE_CONTROL_METHODDEF    \
      {"control", (PyCFunction)(void(*)(void))select_kqueue_control, METH_FASTCALL, select_kqueue_control__doc__},
  
  static PyObject *
  select_kqueue_control_impl(kqueue_queue_Object *self, PyObject *changelist,
                             int maxevents, PyObject *otimeout);
  
  static PyObject *
  select_kqueue_control(kqueue_queue_Object *self, PyObject *const *args, Py_ssize_t nargs)
  {
      PyObject *return_value = NULL;
      PyObject *changelist;
      int maxevents;
      PyObject *otimeout = Py_None;
  
      if (!_PyArg_CheckPositional("control", nargs, 2, 3)) {
          goto exit;
      }
      changelist = args[0];
      maxevents = _PyLong_AsInt(args[1]);
      if (maxevents == -1 && PyErr_Occurred()) {
          goto exit;
      }
      if (nargs < 3) {
          goto skip_optional;
      }
      otimeout = args[2];
  skip_optional:
      return_value = select_kqueue_control_impl(self, changelist, maxevents, otimeout);
  
  exit:
      return return_value;
  }
  
  #endif /* defined(HAVE_KQUEUE) */
  
  #ifndef SELECT_POLL_REGISTER_METHODDEF
      #define SELECT_POLL_REGISTER_METHODDEF
  #endif /* !defined(SELECT_POLL_REGISTER_METHODDEF) */
  
  #ifndef SELECT_POLL_MODIFY_METHODDEF
      #define SELECT_POLL_MODIFY_METHODDEF
  #endif /* !defined(SELECT_POLL_MODIFY_METHODDEF) */
  
  #ifndef SELECT_POLL_UNREGISTER_METHODDEF
      #define SELECT_POLL_UNREGISTER_METHODDEF
  #endif /* !defined(SELECT_POLL_UNREGISTER_METHODDEF) */
  
  #ifndef SELECT_POLL_POLL_METHODDEF
      #define SELECT_POLL_POLL_METHODDEF
  #endif /* !defined(SELECT_POLL_POLL_METHODDEF) */
  
  #ifndef SELECT_DEVPOLL_REGISTER_METHODDEF
      #define SELECT_DEVPOLL_REGISTER_METHODDEF
  #endif /* !defined(SELECT_DEVPOLL_REGISTER_METHODDEF) */
  
  #ifndef SELECT_DEVPOLL_MODIFY_METHODDEF
      #define SELECT_DEVPOLL_MODIFY_METHODDEF
  #endif /* !defined(SELECT_DEVPOLL_MODIFY_METHODDEF) */
  
  #ifndef SELECT_DEVPOLL_UNREGISTER_METHODDEF
      #define SELECT_DEVPOLL_UNREGISTER_METHODDEF
  #endif /* !defined(SELECT_DEVPOLL_UNREGISTER_METHODDEF) */
  
  #ifndef SELECT_DEVPOLL_POLL_METHODDEF
      #define SELECT_DEVPOLL_POLL_METHODDEF
  #endif /* !defined(SELECT_DEVPOLL_POLL_METHODDEF) */
  
  #ifndef SELECT_DEVPOLL_CLOSE_METHODDEF
      #define SELECT_DEVPOLL_CLOSE_METHODDEF
  #endif /* !defined(SELECT_DEVPOLL_CLOSE_METHODDEF) */
  
  #ifndef SELECT_DEVPOLL_FILENO_METHODDEF
      #define SELECT_DEVPOLL_FILENO_METHODDEF
  #endif /* !defined(SELECT_DEVPOLL_FILENO_METHODDEF) */
  
  #ifndef SELECT_POLL_METHODDEF
      #define SELECT_POLL_METHODDEF
  #endif /* !defined(SELECT_POLL_METHODDEF) */
  
  #ifndef SELECT_DEVPOLL_METHODDEF
      #define SELECT_DEVPOLL_METHODDEF
  #endif /* !defined(SELECT_DEVPOLL_METHODDEF) */
  
  #ifndef SELECT_EPOLL_CLOSE_METHODDEF
      #define SELECT_EPOLL_CLOSE_METHODDEF
  #endif /* !defined(SELECT_EPOLL_CLOSE_METHODDEF) */
  
  #ifndef SELECT_EPOLL_FILENO_METHODDEF
      #define SELECT_EPOLL_FILENO_METHODDEF
  #endif /* !defined(SELECT_EPOLL_FILENO_METHODDEF) */
  
  #ifndef SELECT_EPOLL_FROMFD_METHODDEF
      #define SELECT_EPOLL_FROMFD_METHODDEF
  #endif /* !defined(SELECT_EPOLL_FROMFD_METHODDEF) */
  
  #ifndef SELECT_EPOLL_REGISTER_METHODDEF
      #define SELECT_EPOLL_REGISTER_METHODDEF
  #endif /* !defined(SELECT_EPOLL_REGISTER_METHODDEF) */
  
  #ifndef SELECT_EPOLL_MODIFY_METHODDEF
      #define SELECT_EPOLL_MODIFY_METHODDEF
  #endif /* !defined(SELECT_EPOLL_MODIFY_METHODDEF) */
  
  #ifndef SELECT_EPOLL_UNREGISTER_METHODDEF
      #define SELECT_EPOLL_UNREGISTER_METHODDEF
  #endif /* !defined(SELECT_EPOLL_UNREGISTER_METHODDEF) */
  
  #ifndef SELECT_EPOLL_POLL_METHODDEF
      #define SELECT_EPOLL_POLL_METHODDEF
  #endif /* !defined(SELECT_EPOLL_POLL_METHODDEF) */
  
  #ifndef SELECT_EPOLL___ENTER___METHODDEF
      #define SELECT_EPOLL___ENTER___METHODDEF
  #endif /* !defined(SELECT_EPOLL___ENTER___METHODDEF) */
  
  #ifndef SELECT_EPOLL___EXIT___METHODDEF
      #define SELECT_EPOLL___EXIT___METHODDEF
  #endif /* !defined(SELECT_EPOLL___EXIT___METHODDEF) */
  
  #ifndef SELECT_KQUEUE_CLOSE_METHODDEF
      #define SELECT_KQUEUE_CLOSE_METHODDEF
  #endif /* !defined(SELECT_KQUEUE_CLOSE_METHODDEF) */
  
  #ifndef SELECT_KQUEUE_FILENO_METHODDEF
      #define SELECT_KQUEUE_FILENO_METHODDEF
  #endif /* !defined(SELECT_KQUEUE_FILENO_METHODDEF) */
  
  #ifndef SELECT_KQUEUE_FROMFD_METHODDEF
      #define SELECT_KQUEUE_FROMFD_METHODDEF
  #endif /* !defined(SELECT_KQUEUE_FROMFD_METHODDEF) */
  
  #ifndef SELECT_KQUEUE_CONTROL_METHODDEF
      #define SELECT_KQUEUE_CONTROL_METHODDEF
  #endif /* !defined(SELECT_KQUEUE_CONTROL_METHODDEF) */
  /*[clinic end generated code: output=a055330869acbd16 input=a9049054013a1b77]*/
  