cosmopolitan/third_party/python/Modules/termios.c

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:4;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=4 sts=4 sw=4 fenc=utf-8                                :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Python 3                                                                     │
│ https://docs.python.org/3/license.html                                       │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/struct/termios.h"
#include "libc/calls/termios.h"
#include "libc/calls/ttydefaults.h"
#include "libc/calls/weirdtypes.h"
#include "libc/dce.h"
#include "libc/sysv/consts/baud.h"
#include "libc/sysv/consts/fio.h"
#include "libc/sysv/consts/modem.h"
#include "libc/sysv/consts/pty.h"
#include "libc/sysv/consts/termios.h"
#include "third_party/python/Include/bytesobject.h"
#include "third_party/python/Include/fileobject.h"
#include "third_party/python/Include/import.h"
#include "third_party/python/Include/listobject.h"
#include "third_party/python/Include/longobject.h"
#include "third_party/python/Include/modsupport.h"
#include "third_party/python/Include/object.h"
#include "third_party/python/Include/pyerrors.h"
#include "third_party/python/Include/pymacro.h"
#include "third_party/python/Include/yoink.h"
/* clang-format off */

PYTHON_PROVIDE("termios");
PYTHON_PROVIDE("termios.B1000000");
PYTHON_PROVIDE("termios.B110");
PYTHON_PROVIDE("termios.B115200");
PYTHON_PROVIDE("termios.B1152000");
PYTHON_PROVIDE("termios.B1200");
PYTHON_PROVIDE("termios.B134");
PYTHON_PROVIDE("termios.B150");
PYTHON_PROVIDE("termios.B1500000");
PYTHON_PROVIDE("termios.B1800");
PYTHON_PROVIDE("termios.B19200");
PYTHON_PROVIDE("termios.B200");
PYTHON_PROVIDE("termios.B2000000");
PYTHON_PROVIDE("termios.B230400");
PYTHON_PROVIDE("termios.B2400");
PYTHON_PROVIDE("termios.B2500000");
PYTHON_PROVIDE("termios.B300");
PYTHON_PROVIDE("termios.B3000000");
PYTHON_PROVIDE("termios.B3500000");
PYTHON_PROVIDE("termios.B38400");
PYTHON_PROVIDE("termios.B4000000");
PYTHON_PROVIDE("termios.B4800");
PYTHON_PROVIDE("termios.B50");
PYTHON_PROVIDE("termios.B500000");
PYTHON_PROVIDE("termios.B57600");
PYTHON_PROVIDE("termios.B576000");
PYTHON_PROVIDE("termios.B600");
PYTHON_PROVIDE("termios.B75");
PYTHON_PROVIDE("termios.B9600");
PYTHON_PROVIDE("termios.BRKINT");
PYTHON_PROVIDE("termios.BS0");
PYTHON_PROVIDE("termios.BS1");
PYTHON_PROVIDE("termios.BSDLY");
PYTHON_PROVIDE("termios.CBAUD");
PYTHON_PROVIDE("termios.CBAUDEX");
PYTHON_PROVIDE("termios.CDSUSP");
PYTHON_PROVIDE("termios.CEOF");
PYTHON_PROVIDE("termios.CEOL");
PYTHON_PROVIDE("termios.CEOT");
PYTHON_PROVIDE("termios.CERASE");
PYTHON_PROVIDE("termios.CFLUSH");
PYTHON_PROVIDE("termios.CIBAUD");
PYTHON_PROVIDE("termios.CINTR");
PYTHON_PROVIDE("termios.CKILL");
PYTHON_PROVIDE("termios.CLNEXT");
PYTHON_PROVIDE("termios.CLOCAL");
PYTHON_PROVIDE("termios.CQUIT");
PYTHON_PROVIDE("termios.CR0");
PYTHON_PROVIDE("termios.CR1");
PYTHON_PROVIDE("termios.CR2");
PYTHON_PROVIDE("termios.CR3");
PYTHON_PROVIDE("termios.CRDLY");
PYTHON_PROVIDE("termios.CREAD");
PYTHON_PROVIDE("termios.CRPRNT");
PYTHON_PROVIDE("termios.CS5");
PYTHON_PROVIDE("termios.CS6");
PYTHON_PROVIDE("termios.CS7");
PYTHON_PROVIDE("termios.CS8");
PYTHON_PROVIDE("termios.CSIZE");
PYTHON_PROVIDE("termios.CSTART");
PYTHON_PROVIDE("termios.CSTOP");
PYTHON_PROVIDE("termios.CSTOPB");
PYTHON_PROVIDE("termios.CSUSP");
PYTHON_PROVIDE("termios.CWERASE");
PYTHON_PROVIDE("termios.ECHO");
PYTHON_PROVIDE("termios.ECHOCTL");
PYTHON_PROVIDE("termios.ECHOE");
PYTHON_PROVIDE("termios.ECHOK");
PYTHON_PROVIDE("termios.ECHOKE");
PYTHON_PROVIDE("termios.ECHONL");
PYTHON_PROVIDE("termios.ECHOPRT");
PYTHON_PROVIDE("termios.EXTA");
PYTHON_PROVIDE("termios.EXTB");
PYTHON_PROVIDE("termios.FF0");
PYTHON_PROVIDE("termios.FF1");
PYTHON_PROVIDE("termios.FFDLY");
PYTHON_PROVIDE("termios.FIOASYNC");
PYTHON_PROVIDE("termios.FIOCLEX");
PYTHON_PROVIDE("termios.FIONBIO");
PYTHON_PROVIDE("termios.FIONCLEX");
PYTHON_PROVIDE("termios.FIONREAD");
PYTHON_PROVIDE("termios.FLUSHO");
PYTHON_PROVIDE("termios.HUPCL");
PYTHON_PROVIDE("termios.ICANON");
PYTHON_PROVIDE("termios.ICRNL");
PYTHON_PROVIDE("termios.IEXTEN");
PYTHON_PROVIDE("termios.IGNBRK");
PYTHON_PROVIDE("termios.IGNCR");
PYTHON_PROVIDE("termios.IGNPAR");
PYTHON_PROVIDE("termios.IMAXBEL");
PYTHON_PROVIDE("termios.INLCR");
PYTHON_PROVIDE("termios.INPCK");
PYTHON_PROVIDE("termios.ISIG");
PYTHON_PROVIDE("termios.ISTRIP");
PYTHON_PROVIDE("termios.IUCLC");
PYTHON_PROVIDE("termios.IXANY");
PYTHON_PROVIDE("termios.IXOFF");
PYTHON_PROVIDE("termios.IXON");
PYTHON_PROVIDE("termios.NCCS");
PYTHON_PROVIDE("termios.NL0");
PYTHON_PROVIDE("termios.NL1");
PYTHON_PROVIDE("termios.NLDLY");
PYTHON_PROVIDE("termios.NOFLSH");
PYTHON_PROVIDE("termios.OCRNL");
PYTHON_PROVIDE("termios.OFDEL");
PYTHON_PROVIDE("termios.OFILL");
PYTHON_PROVIDE("termios.OLCUC");
PYTHON_PROVIDE("termios.ONLCR");
PYTHON_PROVIDE("termios.ONLRET");
PYTHON_PROVIDE("termios.ONOCR");
PYTHON_PROVIDE("termios.OPOST");
PYTHON_PROVIDE("termios.PARENB");
PYTHON_PROVIDE("termios.PARMRK");
PYTHON_PROVIDE("termios.PARODD");
PYTHON_PROVIDE("termios.PENDIN");
PYTHON_PROVIDE("termios.TAB0");
PYTHON_PROVIDE("termios.TAB1");
PYTHON_PROVIDE("termios.TAB2");
PYTHON_PROVIDE("termios.TAB3");
PYTHON_PROVIDE("termios.TABDLY");
PYTHON_PROVIDE("termios.TCFLSH");
PYTHON_PROVIDE("termios.TCGETS");
PYTHON_PROVIDE("termios.TCIFLUSH");
PYTHON_PROVIDE("termios.TCIOFF");
PYTHON_PROVIDE("termios.TCIOFLUSH");
PYTHON_PROVIDE("termios.TCION");
PYTHON_PROVIDE("termios.TCOFLUSH");
PYTHON_PROVIDE("termios.TCOOFF");
PYTHON_PROVIDE("termios.TCOON");
PYTHON_PROVIDE("termios.TCSADRAIN");
PYTHON_PROVIDE("termios.TCSAFLUSH");
PYTHON_PROVIDE("termios.TCSANOW");
PYTHON_PROVIDE("termios.TCSBRK");
PYTHON_PROVIDE("termios.TCSETS");
PYTHON_PROVIDE("termios.TCSETSF");
PYTHON_PROVIDE("termios.TCSETSW");
PYTHON_PROVIDE("termios.TCXONC");
PYTHON_PROVIDE("termios.TIOCCONS");
PYTHON_PROVIDE("termios.TIOCGETD");
PYTHON_PROVIDE("termios.TIOCGPGRP");
PYTHON_PROVIDE("termios.TIOCGWINSZ");
PYTHON_PROVIDE("termios.TIOCMBIC");
PYTHON_PROVIDE("termios.TIOCMBIS");
PYTHON_PROVIDE("termios.TIOCMGET");
PYTHON_PROVIDE("termios.TIOCMSET");
PYTHON_PROVIDE("termios.TIOCM_CAR");
PYTHON_PROVIDE("termios.TIOCM_CD");
PYTHON_PROVIDE("termios.TIOCM_CTS");
PYTHON_PROVIDE("termios.TIOCM_DSR");
PYTHON_PROVIDE("termios.TIOCM_DTR");
PYTHON_PROVIDE("termios.TIOCM_LE");
PYTHON_PROVIDE("termios.TIOCM_RI");
PYTHON_PROVIDE("termios.TIOCM_RNG");
PYTHON_PROVIDE("termios.TIOCM_RTS");
PYTHON_PROVIDE("termios.TIOCM_SR");
PYTHON_PROVIDE("termios.TIOCM_ST");
PYTHON_PROVIDE("termios.TIOCNOTTY");
PYTHON_PROVIDE("termios.TIOCNXCL");
PYTHON_PROVIDE("termios.TIOCOUTQ");
PYTHON_PROVIDE("termios.TIOCPKT");
PYTHON_PROVIDE("termios.TIOCSCTTY");
PYTHON_PROVIDE("termios.TIOCSERGETLSR");
PYTHON_PROVIDE("termios.TIOCSERGETMULTI");
PYTHON_PROVIDE("termios.TIOCSERSETMULTI");
PYTHON_PROVIDE("termios.TIOCSER_TEMT");
PYTHON_PROVIDE("termios.TIOCSETD");
PYTHON_PROVIDE("termios.TIOCSPGRP");
PYTHON_PROVIDE("termios.TIOCSTI");
PYTHON_PROVIDE("termios.TIOCSWINSZ");
PYTHON_PROVIDE("termios.TOSTOP");
PYTHON_PROVIDE("termios.VDISCARD");
PYTHON_PROVIDE("termios.VEOF");
PYTHON_PROVIDE("termios.VEOL");
PYTHON_PROVIDE("termios.VEOL2");
PYTHON_PROVIDE("termios.VERASE");
PYTHON_PROVIDE("termios.VINTR");
PYTHON_PROVIDE("termios.VKILL");
PYTHON_PROVIDE("termios.VLNEXT");
PYTHON_PROVIDE("termios.VMIN");
PYTHON_PROVIDE("termios.VQUIT");
PYTHON_PROVIDE("termios.VREPRINT");
PYTHON_PROVIDE("termios.VSTART");
PYTHON_PROVIDE("termios.VSTOP");
PYTHON_PROVIDE("termios.VSUSP");
PYTHON_PROVIDE("termios.VSWTC");
PYTHON_PROVIDE("termios.VT0");
PYTHON_PROVIDE("termios.VT1");
PYTHON_PROVIDE("termios.VTDLY");
PYTHON_PROVIDE("termios.VTIME");
PYTHON_PROVIDE("termios.VWERASE");
PYTHON_PROVIDE("termios.XCASE");
PYTHON_PROVIDE("termios.XTABS");
PYTHON_PROVIDE("termios.error");
PYTHON_PROVIDE("termios.tcdrain");
PYTHON_PROVIDE("termios.tcflow");
PYTHON_PROVIDE("termios.tcflush");
PYTHON_PROVIDE("termios.tcgetattr");
PYTHON_PROVIDE("termios.tcsendbreak");
PYTHON_PROVIDE("termios.tcsetattr");

/* termiosmodule.c -- POSIX terminal I/O module implementation.  */

PyDoc_STRVAR(termios__doc__,
"This module provides an interface to the Posix calls for tty I/O control.\n\
For a complete description of these calls, see the Posix or Unix manual\n\
pages. It is only available for those Unix versions that support Posix\n\
termios style tty I/O control.\n\
\n\
All functions in this module take a file descriptor fd as their first\n\
argument. This can be an integer file descriptor, such as returned by\n\
sys.stdin.fileno(), or a file object, such as sys.stdin itself.");

static PyObject *TermiosError;

static int fdconv(PyObject* obj, void* p)
{
    int fd;

    fd = PyObject_AsFileDescriptor(obj);
    if (fd >= 0) {
        *(int*)p = fd;
        return 1;
    }
    return 0;
}

PyDoc_STRVAR(termios_tcgetattr__doc__,
"tcgetattr(fd) -> list_of_attrs\n\
\n\
Get the tty attributes for file descriptor fd, as follows:\n\
[iflag, oflag, cflag, lflag, ispeed, ospeed, cc] where cc is a list\n\
of the tty special characters (each a string of length 1, except the items\n\
with indices VMIN and VTIME, which are integers when these fields are\n\
defined).  The interpretation of the flags and the speeds as well as the\n\
indexing in the cc array must be done using the symbolic constants defined\n\
in this module.");

static PyObject *
termios_tcgetattr(PyObject *self, PyObject *args)
{
    int fd;
    struct termios mode;
    PyObject *cc;
    speed_t ispeed, ospeed;
    PyObject *v;
    int i;
    char ch;

    if (!PyArg_ParseTuple(args, "O&:tcgetattr",
                          fdconv, (void*)&fd))
        return NULL;

    if (tcgetattr(fd, &mode) == -1)
        return PyErr_SetFromErrno(TermiosError);

    ispeed = cfgetispeed(&mode);
    ospeed = cfgetospeed(&mode);

    cc = PyList_New(NCCS);
    if (cc == NULL)
        return NULL;
    for (i = 0; i < NCCS; i++) {
        ch = (char)mode.c_cc[i];
        v = PyBytes_FromStringAndSize(&ch, 1);
        if (v == NULL)
            goto err;
        PyList_SetItem(cc, i, v);
    }

    /* Convert the MIN and TIME slots to integer.  On some systems, the
       MIN and TIME slots are the same as the EOF and EOL slots.  So we
       only do this in noncanonical input mode.  */
    if ((mode.c_lflag & ICANON) == 0) {
        v = PyLong_FromLong((long)mode.c_cc[VMIN]);
        if (v == NULL)
            goto err;
        PyList_SetItem(cc, VMIN, v);
        v = PyLong_FromLong((long)mode.c_cc[VTIME]);
        if (v == NULL)
            goto err;
        PyList_SetItem(cc, VTIME, v);
    }

    if (!(v = PyList_New(7)))
        goto err;

    PyList_SetItem(v, 0, PyLong_FromLong((long)mode.c_iflag));
    PyList_SetItem(v, 1, PyLong_FromLong((long)mode.c_oflag));
    PyList_SetItem(v, 2, PyLong_FromLong((long)mode.c_cflag));
    PyList_SetItem(v, 3, PyLong_FromLong((long)mode.c_lflag));
    PyList_SetItem(v, 4, PyLong_FromLong((long)ispeed));
    PyList_SetItem(v, 5, PyLong_FromLong((long)ospeed));
    if (PyErr_Occurred()) {
        Py_DECREF(v);
        goto err;
    }
    PyList_SetItem(v, 6, cc);
    return v;
  err:
    Py_DECREF(cc);
    return NULL;
}

PyDoc_STRVAR(termios_tcsetattr__doc__,
"tcsetattr(fd, when, attributes) -> None\n\
\n\
Set the tty attributes for file descriptor fd.\n\
The attributes to be set are taken from the attributes argument, which\n\
is a list like the one returned by tcgetattr(). The when argument\n\
determines when the attributes are changed: termios.TCSANOW to\n\
change immediately, termios.TCSADRAIN to change after transmitting all\n\
queued output, or termios.TCSAFLUSH to change after transmitting all\n\
queued output and discarding all queued input. ");

static PyObject *
termios_tcsetattr(PyObject *self, PyObject *args)
{
    int fd, when;
    struct termios mode;
    speed_t ispeed, ospeed;
    PyObject *term, *cc, *v;
    int i;

    if (!PyArg_ParseTuple(args, "O&iO:tcsetattr",
                          fdconv, &fd, &when, &term))
        return NULL;
    if (!PyList_Check(term) || PyList_Size(term) != 7) {
        PyErr_SetString(PyExc_TypeError,
                     "tcsetattr, arg 3: must be 7 element list");
        return NULL;
    }

    /* Get the old mode, in case there are any hidden fields... */
    if (tcgetattr(fd, &mode) == -1)
        return PyErr_SetFromErrno(TermiosError);
    mode.c_iflag = (tcflag_t) PyLong_AsLong(PyList_GetItem(term, 0));
    mode.c_oflag = (tcflag_t) PyLong_AsLong(PyList_GetItem(term, 1));
    mode.c_cflag = (tcflag_t) PyLong_AsLong(PyList_GetItem(term, 2));
    mode.c_lflag = (tcflag_t) PyLong_AsLong(PyList_GetItem(term, 3));
    ispeed = (speed_t) PyLong_AsLong(PyList_GetItem(term, 4));
    ospeed = (speed_t) PyLong_AsLong(PyList_GetItem(term, 5));
    cc = PyList_GetItem(term, 6);
    if (PyErr_Occurred())
        return NULL;

    if (!PyList_Check(cc) || PyList_Size(cc) != NCCS) {
        PyErr_Format(PyExc_TypeError,
            "tcsetattr: attributes[6] must be %d element list",
                 NCCS);
        return NULL;
    }

    for (i = 0; i < NCCS; i++) {
        v = PyList_GetItem(cc, i);

        if (PyBytes_Check(v) && PyBytes_Size(v) == 1)
            mode.c_cc[i] = (cc_t) * PyBytes_AsString(v);
        else if (PyLong_Check(v))
            mode.c_cc[i] = (cc_t) PyLong_AsLong(v);
        else {
            PyErr_SetString(PyExc_TypeError,
     "tcsetattr: elements of attributes must be characters or integers");
                        return NULL;
                }
    }

    if (cfsetispeed(&mode, (speed_t) ispeed) == -1)
        return PyErr_SetFromErrno(TermiosError);
    if (cfsetospeed(&mode, (speed_t) ospeed) == -1)
        return PyErr_SetFromErrno(TermiosError);
    if (tcsetattr(fd, when, &mode) == -1)
        return PyErr_SetFromErrno(TermiosError);

    Py_INCREF(Py_None);
    return Py_None;
}

PyDoc_STRVAR(termios_tcsendbreak__doc__,
"tcsendbreak(fd, duration) -> None\n\
\n\
Send a break on file descriptor fd.\n\
A zero duration sends a break for 0.25-0.5 seconds; a nonzero duration\n\
has a system dependent meaning.");

static PyObject *
termios_tcsendbreak(PyObject *self, PyObject *args)
{
    int fd, duration;

    if (!PyArg_ParseTuple(args, "O&i:tcsendbreak",
                          fdconv, &fd, &duration))
        return NULL;
    if (tcsendbreak(fd, duration) == -1)
        return PyErr_SetFromErrno(TermiosError);

    Py_INCREF(Py_None);
    return Py_None;
}

PyDoc_STRVAR(termios_tcdrain__doc__,
"tcdrain(fd) -> None\n\
\n\
Wait until all output written to file descriptor fd has been transmitted.");

static PyObject *
termios_tcdrain(PyObject *self, PyObject *args)
{
    int fd;

    if (!PyArg_ParseTuple(args, "O&:tcdrain",
                          fdconv, &fd))
        return NULL;
    if (tcdrain(fd) == -1)
        return PyErr_SetFromErrno(TermiosError);

    Py_INCREF(Py_None);
    return Py_None;
}

PyDoc_STRVAR(termios_tcflush__doc__,
"tcflush(fd, queue) -> None\n\
\n\
Discard queued data on file descriptor fd.\n\
The queue selector specifies which queue: termios.TCIFLUSH for the input\n\
queue, termios.TCOFLUSH for the output queue, or termios.TCIOFLUSH for\n\
both queues. ");

static PyObject *
termios_tcflush(PyObject *self, PyObject *args)
{
    int fd, queue;

    if (!PyArg_ParseTuple(args, "O&i:tcflush",
                          fdconv, &fd, &queue))
        return NULL;
    if (tcflush(fd, queue) == -1)
        return PyErr_SetFromErrno(TermiosError);

    Py_INCREF(Py_None);
    return Py_None;
}

PyDoc_STRVAR(termios_tcflow__doc__,
"tcflow(fd, action) -> None\n\
\n\
Suspend or resume input or output on file descriptor fd.\n\
The action argument can be termios.TCOOFF to suspend output,\n\
termios.TCOON to restart output, termios.TCIOFF to suspend input,\n\
or termios.TCION to restart input.");

static PyObject *
termios_tcflow(PyObject *self, PyObject *args)
{
    int fd, action;

    if (!PyArg_ParseTuple(args, "O&i:tcflow",
                          fdconv, &fd, &action))
        return NULL;
    if (tcflow(fd, action) == -1)
        return PyErr_SetFromErrno(TermiosError);

    Py_INCREF(Py_None);
    return Py_None;
}

static PyMethodDef termios_methods[] =
{
    {"tcgetattr", termios_tcgetattr,
     METH_VARARGS, termios_tcgetattr__doc__},
    {"tcsetattr", termios_tcsetattr,
     METH_VARARGS, termios_tcsetattr__doc__},
    {"tcsendbreak", termios_tcsendbreak,
     METH_VARARGS, termios_tcsendbreak__doc__},
    {"tcdrain", termios_tcdrain,
     METH_VARARGS, termios_tcdrain__doc__},
    {"tcflush", termios_tcflush,
     METH_VARARGS, termios_tcflush__doc__},
    {"tcflow", termios_tcflow,
     METH_VARARGS, termios_tcflow__doc__},
    {NULL, NULL}
};


#if defined(VSWTCH) && !defined(VSWTC)
#define VSWTC VSWTCH
#endif

#if defined(VSWTC) && !defined(VSWTCH)
#define VSWTCH VSWTC
#endif


static struct PyModuleDef termiosmodule = {
    PyModuleDef_HEAD_INIT,
    "termios",
    termios__doc__,
    -1,
    termios_methods,
    NULL,
    NULL,
    NULL,
    NULL
};

PyMODINIT_FUNC
PyInit_termios(void)
{
    PyObject *m;

    m = PyModule_Create(&termiosmodule);
    if (m == NULL)
        return NULL;

    if (TermiosError == NULL) {
        TermiosError = PyErr_NewException("termios.error", NULL, NULL);
    }
    Py_INCREF(TermiosError);
    PyModule_AddObject(m, "error", TermiosError);

    if (B50) PyModule_AddIntConstant(m, "B50", B50);
    if (B75) PyModule_AddIntConstant(m, "B75", B75);
    if (B110) PyModule_AddIntConstant(m, "B110", B110);
    if (B134) PyModule_AddIntConstant(m, "B134", B134);
    if (B150) PyModule_AddIntConstant(m, "B150", B150);
    if (B200) PyModule_AddIntConstant(m, "B200", B200);
    if (B300) PyModule_AddIntConstant(m, "B300", B300);
    if (B600) PyModule_AddIntConstant(m, "B600", B600);
    if (B1200) PyModule_AddIntConstant(m, "B1200", B1200);
    if (B1800) PyModule_AddIntConstant(m, "B1800", B1800);
    if (B2400) PyModule_AddIntConstant(m, "B2400", B2400);
    if (B4800) PyModule_AddIntConstant(m, "B4800", B4800);
    if (B9600) PyModule_AddIntConstant(m, "B9600", B9600);
    if (B19200) PyModule_AddIntConstant(m, "B19200", B19200);
    if (B38400) PyModule_AddIntConstant(m, "B38400", B38400);
    if (B57600) PyModule_AddIntConstant(m, "B57600", B57600);
    if (B115200) PyModule_AddIntConstant(m, "B115200", B115200);
    if (B230400) PyModule_AddIntConstant(m, "B230400", B230400);
    if (B500000) PyModule_AddIntConstant(m, "B500000", B500000);
    if (B576000) PyModule_AddIntConstant(m, "B576000", B576000);
    if (B1000000) PyModule_AddIntConstant(m, "B1000000", B1000000);
    if (B1152000) PyModule_AddIntConstant(m, "B1152000", B1152000);
    if (B1500000) PyModule_AddIntConstant(m, "B1500000", B1500000);
    if (B2000000) PyModule_AddIntConstant(m, "B2000000", B2000000);
    if (B2500000) PyModule_AddIntConstant(m, "B2500000", B2500000);
    if (B3000000) PyModule_AddIntConstant(m, "B3000000", B3000000);
    if (B3500000) PyModule_AddIntConstant(m, "B3500000", B3500000);
    if (B4000000) PyModule_AddIntConstant(m, "B4000000", B4000000);
    if (CBAUDEX) PyModule_AddIntConstant(m, "CBAUDEX", CBAUDEX);
    /* TODO(jart): B460800 */
    /* TODO(jart): B921600 */
    /* TODO(jart): B460800 */

    PyModule_AddIntConstant(m, "TCSANOW", TCSANOW);
    PyModule_AddIntConstant(m, "TCSADRAIN", TCSADRAIN);
    PyModule_AddIntConstant(m, "TCSAFLUSH", TCSAFLUSH);
    /* TODO(jart): TCSASOFT */
    PyModule_AddIntConstant(m, "TCIFLUSH", TCIFLUSH);
    PyModule_AddIntConstant(m, "TCOFLUSH", TCOFLUSH);
    PyModule_AddIntConstant(m, "TCIOFLUSH", TCIOFLUSH);
    PyModule_AddIntConstant(m, "TCOOFF", TCOOFF);
    PyModule_AddIntConstant(m, "TCOON", TCOON);
    PyModule_AddIntConstant(m, "TCIOFF", TCIOFF);
    PyModule_AddIntConstant(m, "TCION", TCION);
    if (IGNBRK) PyModule_AddIntConstant(m, "IGNBRK", IGNBRK);
    if (BRKINT) PyModule_AddIntConstant(m, "BRKINT", BRKINT);
    if (IGNPAR) PyModule_AddIntConstant(m, "IGNPAR", IGNPAR);
    if (PARMRK) PyModule_AddIntConstant(m, "PARMRK", PARMRK);
    if (INPCK) PyModule_AddIntConstant(m, "INPCK", INPCK);
    if (ISTRIP) PyModule_AddIntConstant(m, "ISTRIP", ISTRIP);
    if (INLCR) PyModule_AddIntConstant(m, "INLCR", INLCR);
    if (IGNCR) PyModule_AddIntConstant(m, "IGNCR", IGNCR);
    if (ICRNL) PyModule_AddIntConstant(m, "ICRNL", ICRNL);
    if (IUCLC) PyModule_AddIntConstant(m, "IUCLC", IUCLC);
    if (IXON) PyModule_AddIntConstant(m, "IXON", IXON);
    if (IXANY) PyModule_AddIntConstant(m, "IXANY", IXANY);
    if (IXOFF) PyModule_AddIntConstant(m, "IXOFF", IXOFF);
    if (IMAXBEL) PyModule_AddIntConstant(m, "IMAXBEL", IMAXBEL);
    if (OPOST) PyModule_AddIntConstant(m, "OPOST", OPOST);
    if (OLCUC) PyModule_AddIntConstant(m, "OLCUC", OLCUC);
    if (ONLCR) PyModule_AddIntConstant(m, "ONLCR", ONLCR);
    if (OCRNL) PyModule_AddIntConstant(m, "OCRNL", OCRNL);
    if (ONOCR) PyModule_AddIntConstant(m, "ONOCR", ONOCR);
    if (ONLRET) PyModule_AddIntConstant(m, "ONLRET", ONLRET);
    if (OFILL) PyModule_AddIntConstant(m, "OFILL", OFILL);
    if (OFDEL) PyModule_AddIntConstant(m, "OFDEL", OFDEL);
    if (NLDLY) PyModule_AddIntConstant(m, "NLDLY", NLDLY);
    if (CRDLY) PyModule_AddIntConstant(m, "CRDLY", CRDLY);
    if (TABDLY) PyModule_AddIntConstant(m, "TABDLY", TABDLY);
    if (BSDLY) PyModule_AddIntConstant(m, "BSDLY", BSDLY);
    if (VTDLY) PyModule_AddIntConstant(m, "VTDLY", VTDLY);
    if (FFDLY) PyModule_AddIntConstant(m, "FFDLY", FFDLY);
    PyModule_AddIntConstant(m, "NL0", NL0);
    if (NL1) PyModule_AddIntConstant(m, "NL1", NL1);
    PyModule_AddIntConstant(m, "CR0", CR0);
    if (CR1) PyModule_AddIntConstant(m, "CR1", CR1);
    if (CR2) PyModule_AddIntConstant(m, "CR2", CR2);
    if (CR3) PyModule_AddIntConstant(m, "CR3", CR3);
    PyModule_AddIntConstant(m, "TAB0", TAB0);
    if (TAB1) PyModule_AddIntConstant(m, "TAB1", TAB1);
    if (TAB2) PyModule_AddIntConstant(m, "TAB2", TAB2);
    if (TAB3) PyModule_AddIntConstant(m, "TAB3", TAB3);
    if (XTABS) PyModule_AddIntConstant(m, "XTABS", XTABS);
    PyModule_AddIntConstant(m, "BS0", BS0);
    if (BS1) PyModule_AddIntConstant(m, "BS1", BS1);
    PyModule_AddIntConstant(m, "VT0", VT0);
    if (VT1) PyModule_AddIntConstant(m, "VT1", VT1);
    PyModule_AddIntConstant(m, "FF0", FF0);
    if (FF1) PyModule_AddIntConstant(m, "FF1", FF1);
    if (CSIZE) PyModule_AddIntConstant(m, "CSIZE", CSIZE);
    if (CSTOPB) PyModule_AddIntConstant(m, "CSTOPB", CSTOPB);
    if (CREAD) PyModule_AddIntConstant(m, "CREAD", CREAD);
    if (PARENB) PyModule_AddIntConstant(m, "PARENB", PARENB);
    if (PARODD) PyModule_AddIntConstant(m, "PARODD", PARODD);
    if (HUPCL) PyModule_AddIntConstant(m, "HUPCL", HUPCL);
    if (CLOCAL) PyModule_AddIntConstant(m, "CLOCAL", CLOCAL);
    if (CIBAUD) PyModule_AddIntConstant(m, "CIBAUD", CIBAUD);
    PyModule_AddIntConstant(m, "CS5", CS5);
    if (CS6) PyModule_AddIntConstant(m, "CS6", CS6);
    if (CS7) PyModule_AddIntConstant(m, "CS7", CS7);
    if (CS8) PyModule_AddIntConstant(m, "CS8", CS8);
    PyModule_AddIntConstant(m, "ISIG", ISIG);
    PyModule_AddIntConstant(m, "ICANON", ICANON);
    if (XCASE) PyModule_AddIntConstant(m, "XCASE", XCASE);
    PyModule_AddIntConstant(m, "ECHO", ECHO);
    PyModule_AddIntConstant(m, "ECHOE", ECHOE);
    PyModule_AddIntConstant(m, "ECHOK", ECHOK);
    PyModule_AddIntConstant(m, "ECHONL", ECHONL);
    PyModule_AddIntConstant(m, "ECHOCTL", ECHOCTL);
    PyModule_AddIntConstant(m, "ECHOPRT", ECHOPRT);
    PyModule_AddIntConstant(m, "ECHOKE", ECHOKE);
    PyModule_AddIntConstant(m, "FLUSHO", FLUSHO);
    PyModule_AddIntConstant(m, "NOFLSH", NOFLSH);
    PyModule_AddIntConstant(m, "TOSTOP", TOSTOP);
    PyModule_AddIntConstant(m, "PENDIN", PENDIN);
    PyModule_AddIntConstant(m, "IEXTEN", IEXTEN);

    /* TODO(jart): CRTSCTS */

    /* termios.c_cc[𝑖] */
    PyModule_AddIntConstant(m, "VINTR", VINTR);
    PyModule_AddIntConstant(m, "VQUIT", VQUIT);
    PyModule_AddIntConstant(m, "VERASE", VERASE);
    PyModule_AddIntConstant(m, "VKILL", VKILL);
    PyModule_AddIntConstant(m, "VEOF", VEOF);
    PyModule_AddIntConstant(m, "VTIME", VTIME);
    PyModule_AddIntConstant(m, "VMIN", VMIN);
    if (VSWTC) PyModule_AddIntConstant(m, "VSWTC", VSWTC);
    PyModule_AddIntConstant(m, "VSTART", VSTART);
    PyModule_AddIntConstant(m, "VSTOP", VSTOP);
    PyModule_AddIntConstant(m, "VSUSP", VSUSP);
    PyModule_AddIntConstant(m, "VEOL", VEOL);
    PyModule_AddIntConstant(m, "VREPRINT", VREPRINT);
    PyModule_AddIntConstant(m, "VDISCARD", VDISCARD);
    PyModule_AddIntConstant(m, "VWERASE", VWERASE);
    PyModule_AddIntConstant(m, "VLNEXT", VLNEXT);
    PyModule_AddIntConstant(m, "VEOL2", VEOL2);
    if (CBAUD) PyModule_AddIntConstant(m, "CBAUD", CBAUD);

    /* <sys/ttydefaults.h> */
    PyModule_AddIntConstant(m, "CEOF", CEOF);
    PyModule_AddIntConstant(m, "CDSUSP", CDSUSP);
    PyModule_AddIntConstant(m, "CEOL", CEOL);
    PyModule_AddIntConstant(m, "CFLUSH", CFLUSH);
    PyModule_AddIntConstant(m, "CINTR", CINTR);
    PyModule_AddIntConstant(m, "CKILL", CKILL);
    PyModule_AddIntConstant(m, "CLNEXT", CLNEXT);
    PyModule_AddIntConstant(m, "CEOT", CEOT);
    PyModule_AddIntConstant(m, "CERASE", CERASE);
    PyModule_AddIntConstant(m, "CQUIT", CQUIT);
    PyModule_AddIntConstant(m, "CRPRNT", CRPRNT);
    PyModule_AddIntConstant(m, "CSTART", CSTART);
    PyModule_AddIntConstant(m, "CSTOP", CSTOP);
    PyModule_AddIntConstant(m, "CSUSP", CSUSP);
    PyModule_AddIntConstant(m, "CWERASE", CWERASE);

    /* ioctl */
    PyModule_AddIntConstant(m, "FIOCLEX", FIOCLEX);
    PyModule_AddIntConstant(m, "FIONCLEX", FIONCLEX);
    PyModule_AddIntConstant(m, "FIONBIO", FIONBIO);
    PyModule_AddIntConstant(m, "FIONREAD", FIONREAD);
    PyModule_AddIntConstant(m, "FIOASYNC", FIOASYNC);
    if (EXTA) PyModule_AddIntConstant(m, "EXTA", EXTA);
    if (EXTB) PyModule_AddIntConstant(m, "EXTB", EXTB);

    /* TODO(jart): IBSHIFT */
    /* TODO(jart): CC */
    /* TODO(jart): MASK */
    /* TODO(jart): SHIFT */
    /* TODO(jart): NCC */
    if (NCCS) PyModule_AddIntConstant(m, "NCCS", NCCS);
    /* TODO(jart): MOUSE */
    /* TODO(jart): PPP */
    /* TODO(jart): SLIP */
    /* TODO(jart): STRIP */
    /* TODO(jart): TTY */
    if (TCFLSH) PyModule_AddIntConstant(m, "TCFLSH", TCFLSH);
    /* TODO(jart): TCGETA */
    if (TCGETS) PyModule_AddIntConstant(m, "TCGETS", TCGETS);
    if (TCSBRK) PyModule_AddIntConstant(m, "TCSBRK", TCSBRK);
    /* TODO(jart): TCSBRKP */
    /* TODO(jart): TCSETA */
    /* TODO(jart): TCSETAF */
    /* TODO(jart): TCSETAW */
    if (TCSETS) PyModule_AddIntConstant(m, "TCSETS", TCSETS);
    if (TCSETSF) PyModule_AddIntConstant(m, "TCSETSF", TCSETSF);
    if (TCSETSW) PyModule_AddIntConstant(m, "TCSETSW", TCSETSW);
    if (TCXONC) PyModule_AddIntConstant(m, "TCXONC", TCXONC);
    if (TIOCCONS) PyModule_AddIntConstant(m, "TIOCCONS", TIOCCONS);
    /* TODO(jart): TIOCEXCL */
    if (TIOCGETD) PyModule_AddIntConstant(m, "TIOCGETD", TIOCGETD);
    /* TODO(jart): TIOCGICOUNT */
    /* TODO(jart): TIOCGLCKTRMIOS */
    if (TIOCGPGRP) PyModule_AddIntConstant(m, "TIOCGPGRP", TIOCGPGRP);
    /* TODO(jart): TIOCGSERIAL */
    /* TODO(jart): TIOCGSOFTCAR */
    PyModule_AddIntConstant(m, "TIOCGWINSZ", TIOCGWINSZ);
    PyModule_AddIntConstant(m, "TIOCSWINSZ", TIOCSWINSZ);
    /* TODO(jart): TIOCINQ */
    /* TODO(jart): TIOCLINUX */
    if (TIOCMBIC) PyModule_AddIntConstant(m, "TIOCMBIC", TIOCMBIC);
    if (TIOCMBIS) PyModule_AddIntConstant(m, "TIOCMBIS", TIOCMBIS);
    if (TIOCMGET) PyModule_AddIntConstant(m, "TIOCMGET", TIOCMGET);
    /* TODO(jart): TIOCMIWAIT */
    if (TIOCMSET) PyModule_AddIntConstant(m, "TIOCMSET", TIOCMSET);
    if (TIOCM_CAR) PyModule_AddIntConstant(m, "TIOCM_CAR", TIOCM_CAR);
    if (TIOCM_CD) PyModule_AddIntConstant(m, "TIOCM_CD", TIOCM_CD);
    if (TIOCM_CTS) PyModule_AddIntConstant(m, "TIOCM_CTS", TIOCM_CTS);
    if (TIOCM_DSR) PyModule_AddIntConstant(m, "TIOCM_DSR", TIOCM_DSR);
    if (TIOCM_DTR) PyModule_AddIntConstant(m, "TIOCM_DTR", TIOCM_DTR);
    if (TIOCM_LE) PyModule_AddIntConstant(m, "TIOCM_LE", TIOCM_LE);
    if (TIOCM_RI) PyModule_AddIntConstant(m, "TIOCM_RI", TIOCM_RI);
    if (TIOCM_RNG) PyModule_AddIntConstant(m, "TIOCM_RNG", TIOCM_RNG);
    if (TIOCM_RTS) PyModule_AddIntConstant(m, "TIOCM_RTS", TIOCM_RTS);
    if (TIOCM_SR) PyModule_AddIntConstant(m, "TIOCM_SR", TIOCM_SR);
    if (TIOCM_ST) PyModule_AddIntConstant(m, "TIOCM_ST", TIOCM_ST);
    if (TIOCNOTTY) PyModule_AddIntConstant(m, "TIOCNOTTY", TIOCNOTTY);
    if (TIOCNXCL) PyModule_AddIntConstant(m, "TIOCNXCL", TIOCNXCL);
    if (TIOCOUTQ) PyModule_AddIntConstant(m, "TIOCOUTQ", TIOCOUTQ);
    if (TIOCPKT != -1) PyModule_AddIntConstant(m, "TIOCPKT", TIOCPKT);
    /* TODO(jart): DATA */
    /* TODO(jart): DOSTOP */
    /* TODO(jart): FLUSHREAD */
    /* TODO(jart): FLUSHWRITE */
    /* TODO(jart): NOSTOP */
    /* TODO(jart): START */
    /* TODO(jart): STOP */
    if (TIOCSCTTY) PyModule_AddIntConstant(m, "TIOCSCTTY", TIOCSCTTY);
    /* TODO(jart): TIOCSERCONFIG */
    if (TIOCSERGETLSR) PyModule_AddIntConstant(m, "TIOCSERGETLSR", TIOCSERGETLSR);
    if (TIOCSERGETMULTI) PyModule_AddIntConstant(m, "TIOCSERGETMULTI", TIOCSERGETMULTI);
    /* TODO(jart): TIOCSERGSTRUCT */
    /* TODO(jart): TIOCSERGWILD */
    if (TIOCSERSETMULTI) PyModule_AddIntConstant(m, "TIOCSERSETMULTI", TIOCSERSETMULTI);
    /* TODO(jart): TIOCSERSWILD */
    if (TIOCSER_TEMT) PyModule_AddIntConstant(m, "TIOCSER_TEMT", TIOCSER_TEMT);
    if (TIOCSETD) PyModule_AddIntConstant(m, "TIOCSETD", TIOCSETD);
    /* TODO(jart): TIOCSLCKTRMIOS */
    if (TIOCSPGRP) PyModule_AddIntConstant(m, "TIOCSPGRP", TIOCSPGRP);
    /* TODO(jart): TIOCSSERIAL */
    /* TODO(jart): TIOCSSOFTCAR */
    if (TIOCSTI) PyModule_AddIntConstant(m, "TIOCSTI", TIOCSTI);
    /* TODO(jart): TIOCTTYGSTRUCT */

    return m;
}

_Section(".rodata.pytab.1") const struct _inittab _PyImport_Inittab_termios = {
    "termios",
    PyInit_termios,
};