[thirdparty/util-linux.git] / libmount / python / pylibmount.c

/*
 * Python bindings for the libmount library.
 *
 * Copyright (C) 2013, Red Hat, Inc. All rights reserved.
 * Written by Ondrej Oprala and Karel Zak
 *
 * This file is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This file is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this file; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
#include "pylibmount.h"

/* Libmount-specific Exception class */
PyObject *LibmountError;
int pylibmount_debug_mask;

PyObject *UL_IncRef(void *killme)
{
	Py_INCREF(killme);
	return killme;
}

void PyFree(void *o)
{
#if PY_MAJOR_VERSION >= 3
	Py_TYPE(o)->tp_free((PyObject *)o);
#else
	((PyObject *)o)->ob_type->tp_free((PyObject *)o);
#endif
}

/* Demultiplexer for various possible error conditions across the libmount library */
void *UL_RaiseExc(int e)
{
	/* TODO: Do we need to deal with -1/1? */
	switch (e) {
		case ENOMEM:
			PyErr_SetString(PyExc_MemoryError, strerror(e));
			break;
		case EINVAL:
			PyErr_SetString(PyExc_TypeError, strerror(e));
			break;
		/* libmount-specific errors */
		case MNT_ERR_APPLYFLAGS:
			PyErr_SetString(LibmountError, "Failed to apply MS_PROPAGATION flags");
			break;
		case MNT_ERR_MOUNTOPT:
			PyErr_SetString(LibmountError, "Failed to parse/use userspace mount options");
			break;
		case MNT_ERR_NOFSTAB:
			PyErr_SetString(LibmountError, "Failed to detect filesystem type");
			break;
		case MNT_ERR_NOFSTYPE:
			PyErr_SetString(LibmountError, "Required mount source undefined");
			break;
		case MNT_ERR_NOSOURCE:
			PyErr_SetString(LibmountError, "Loopdev setup failed");
			break;
		case MNT_ERR_AMBIFS:
			PyErr_SetString(LibmountError, "Libblkid detected more filesystems on the device");
			break;
		/* some other errno */
		default:
			PyErr_SetString(PyExc_Exception, strerror(e));
			break;
	}
	return NULL;
}

/*
 * General functions
 */
PyObject *PyObjectResultInt(int i)
{
	PyObject *result = Py_BuildValue("i", i);
	if (!result)
		PyErr_SetString(PyExc_RuntimeError, CONSTRUCT_ERR);
	return result;
}

PyObject *PyObjectResultStr(const char *s)
{
	PyObject *result;
	if (!s)
		/* TODO: maybe lie about it and return "":
		 * which would allow for
		 * fs = libmount.Fs()
		 * fs.comment += "comment"
		return Py_BuildValue("s", ""); */
		Py_RETURN_NONE;
	result = Py_BuildValue("s", s);
	if (!result)
		PyErr_SetString(PyExc_RuntimeError, CONSTRUCT_ERR);
	return result;
}

/* wrapper around a common use case for PyUnicode_AsASCIIString() */
char *pystos(PyObject *pys)
{
#if PY_MAJOR_VERSION >= 3
	if (!PyUnicode_Check(pys)) {
		PyErr_SetString(PyExc_TypeError, ARG_ERR);
		return NULL;
	}
	return (char *)PyUnicode_1BYTE_DATA(pys);
#else
	if (!PyString_Check(pys)) {
		PyErr_SetString(PyExc_TypeError, ARG_ERR);
		return NULL;
	}
	return PyString_AsString(pys);
#endif
}

/*
 * the libmount module
 */
#define PYLIBMOUNT_DESC \
	"Python API for the util-linux libmount library.\n\n" \
	"Please note that none of the classes' attributes may be deleted.\n" \
	"This is not a complete mapping to the libmount C API, nor is it\n" \
	"attempting to be one.\n" "Iterator functions only allow forward\n" \
	"iteration for now. Context.get_{user_,}mflags() differs from the C API\n" \
	"and returns the flags directly. Fs.get_tag() differs from the C API\n" \
	"and returns a (tag, value) tuple. Every attribute is \"filtered\"" \
	"through appropriate getters/setters, no values are set directly."


struct module_state {
    PyObject *error;
};

#if PY_MAJOR_VERSION >= 3
#define GETSTATE(m) ((struct module_state*)PyModule_GetState(m))
#else
#define GETSTATE(m) (&_state)
static struct module_state _state;
#endif

static PyObject *
error_out(PyObject *m __attribute__((unused))) {
    struct module_state *st = GETSTATE(m);
    PyErr_SetString(st->error, "something bad happened");
    return NULL;
}

static PyMethodDef pylibmount_methods[] = {
    {"error_out", (PyCFunction)error_out, METH_NOARGS, NULL},
    {NULL, NULL}
};

#if PY_MAJOR_VERSION >= 3

static int pylibmount_traverse(PyObject *m, visitproc visit, void *arg) {
    Py_VISIT(GETSTATE(m)->error);
    return 0;
}

static int pylibmount_clear(PyObject *m) {
    Py_CLEAR(GETSTATE(m)->error);
    return 0;
}

static struct PyModuleDef moduledef = {
        PyModuleDef_HEAD_INIT,
        "pylibmount",
        NULL,
        sizeof(struct module_state),
        pylibmount_methods,
        NULL,
        pylibmount_traverse,
        pylibmount_clear,
        NULL
};
#define INITERROR return NULL
PyObject * PyInit_pylibmount(void);
PyObject * PyInit_pylibmount(void)
#else
#define INITERROR return
# ifndef PyMODINIT_FUNC
#  define PyMODINIT_FUNC void
# endif
PyMODINIT_FUNC initpylibmount(void);
PyMODINIT_FUNC initpylibmount(void)
#endif
{
#if PY_MAJOR_VERSION >= 3
	PyObject *m = PyModule_Create(&moduledef);
#else
	PyObject *m = Py_InitModule3("pylibmount", pylibmount_methods, PYLIBMOUNT_DESC);
#endif

	if (!m)
		INITERROR;
	/*
	 * init debug stuff
	 */
	if (!(pylibmount_debug_mask & PYMNT_DEBUG_INIT)) {
		char *str = getenv("PYLIBMOUNT_DEBUG");

		pylibmount_debug_mask = 0;
		if (str)
			pylibmount_debug_mask = strtoul(str, NULL, 0);

		pylibmount_debug_mask |= PYMNT_DEBUG_INIT;
	}

	if (pylibmount_debug_mask && pylibmount_debug_mask != PYMNT_DEBUG_INIT)
		DBG(INIT, pymnt_debug("library debug mask: 0x%04x",
					pylibmount_debug_mask));
	mnt_init_debug(0);

	/*
	 * Add module objects
	 */
	LibmountError = PyErr_NewException("libmount.Error", NULL, NULL);
	Py_INCREF(LibmountError);
	PyModule_AddObject(m, "Error", (PyObject *)LibmountError);

	FS_AddModuleObject(m);
	Table_AddModuleObject(m);
#ifdef __linux__
	Context_AddModuleObject(m);
#endif

	/*
	 * mount(8) userspace options masks (MNT_MAP_USERSPACE map)
	 */
	PyModule_AddIntConstant(m, "MNT_MS_COMMENT", MNT_MS_COMMENT);
	PyModule_AddIntConstant(m, "MNT_MS_GROUP", MNT_MS_GROUP);
	PyModule_AddIntConstant(m, "MNT_MS_HELPER", MNT_MS_HELPER);
	PyModule_AddIntConstant(m, "MNT_MS_LOOP", MNT_MS_LOOP);
	PyModule_AddIntConstant(m, "MNT_MS_NETDEV", MNT_MS_NETDEV);
	PyModule_AddIntConstant(m, "MNT_MS_NOAUTO", MNT_MS_NOAUTO);
	PyModule_AddIntConstant(m, "MNT_MS_NOFAIL", MNT_MS_NOFAIL);
	PyModule_AddIntConstant(m, "MNT_MS_OFFSET", MNT_MS_OFFSET);
	PyModule_AddIntConstant(m, "MNT_MS_OWNER", MNT_MS_OWNER);
	PyModule_AddIntConstant(m, "MNT_MS_SIZELIMIT", MNT_MS_SIZELIMIT);
	PyModule_AddIntConstant(m, "MNT_MS_ENCRYPTION", MNT_MS_ENCRYPTION);
	PyModule_AddIntConstant(m, "MNT_MS_UHELPER", MNT_MS_UHELPER);
	PyModule_AddIntConstant(m, "MNT_MS_USER", MNT_MS_USER);
	PyModule_AddIntConstant(m, "MNT_MS_USERS", MNT_MS_USERS);
	PyModule_AddIntConstant(m, "MNT_MS_XCOMMENT", MNT_MS_XCOMMENT);
	PyModule_AddIntConstant(m, "MNT_MS_HASH_DEVICE", MNT_MS_HASH_DEVICE);
	PyModule_AddIntConstant(m, "MNT_MS_ROOT_HASH", MNT_MS_ROOT_HASH);
	PyModule_AddIntConstant(m, "MNT_MS_HASH_OFFSET", MNT_MS_HASH_OFFSET);

	/*
	 * mount(2) MS_* masks (MNT_MAP_LINUX map)
	 */
	PyModule_AddIntConstant(m, "MS_BIND", MS_BIND);
	PyModule_AddIntConstant(m, "MS_DIRSYNC", MS_DIRSYNC);
	PyModule_AddIntConstant(m, "MS_I_VERSION", MS_I_VERSION);
	PyModule_AddIntConstant(m, "MS_MANDLOCK", MS_MANDLOCK);
	PyModule_AddIntConstant(m, "MS_MGC_MSK", MS_MGC_MSK);
	PyModule_AddIntConstant(m, "MS_MGC_VAL", MS_MGC_VAL);
	PyModule_AddIntConstant(m, "MS_MOVE", MS_MOVE);
	PyModule_AddIntConstant(m, "MS_NOATIME", MS_NOATIME);
	PyModule_AddIntConstant(m, "MS_NODEV", MS_NODEV);
	PyModule_AddIntConstant(m, "MS_NODIRATIME", MS_NODIRATIME);
	PyModule_AddIntConstant(m, "MS_NOEXEC", MS_NOEXEC);
	PyModule_AddIntConstant(m, "MS_NOSUID", MS_NOSUID);
	PyModule_AddIntConstant(m, "MS_OWNERSECURE", MS_OWNERSECURE);
	PyModule_AddIntConstant(m, "MS_PRIVATE", MS_PRIVATE);
	PyModule_AddIntConstant(m, "MS_PROPAGATION", MS_PROPAGATION);
	PyModule_AddIntConstant(m, "MS_RDONLY", MS_RDONLY);
	PyModule_AddIntConstant(m, "MS_REC", MS_REC);
	PyModule_AddIntConstant(m, "MS_RELATIME", MS_RELATIME);
	PyModule_AddIntConstant(m, "MS_REMOUNT", MS_REMOUNT);
	PyModule_AddIntConstant(m, "MS_SECURE", MS_SECURE);
	PyModule_AddIntConstant(m, "MS_SHARED", MS_SHARED);
	PyModule_AddIntConstant(m, "MS_SILENT", MS_SILENT);
	PyModule_AddIntConstant(m, "MS_SLAVE", MS_SLAVE);
	PyModule_AddIntConstant(m, "MS_STRICTATIME", MS_STRICTATIME);
	PyModule_AddIntConstant(m, "MS_SYNCHRONOUS", MS_SYNCHRONOUS);
	PyModule_AddIntConstant(m, "MS_UNBINDABLE", MS_UNBINDABLE);

	/* Will we need these directly?
	PyModule_AddIntConstant(m, "MNT_ERR_AMBIFS", MNT_ERR_AMBIFS);
	PyModule_AddIntConstant(m, "MNT_ERR_APPLYFLAGS", MNT_ERR_APPLYFLAGS);
	PyModule_AddIntConstant(m, "MNT_ERR_LOOPDEV", MNT_ERR_LOOPDEV);
	PyModule_AddIntConstant(m, "MNT_ERR_MOUNTOPT", MNT_ERR_MOUNTOPT);
	PyModule_AddIntConstant(m, "MNT_ERR_NOFSTAB", MNT_ERR_NOFSTAB);
	PyModule_AddIntConstant(m, "MNT_ERR_NOFSTYPE", MNT_ERR_NOFSTYPE);
	PyModule_AddIntConstant(m, "MNT_ERR_NOSOURCE", MNT_ERR_NOSOURCE);
	*/

	/* Still useful for functions using iterators internally */
	PyModule_AddIntConstant(m, "MNT_ITER_FORWARD", MNT_ITER_FORWARD);
	PyModule_AddIntConstant(m, "MNT_ITER_BACKWARD", MNT_ITER_BACKWARD);

#if PY_MAJOR_VERSION >= 3
	return m;
#endif
}
Commit	Line	Data
813683a3 OO	1	/*
	2	* Python bindings for the libmount library.
	3	*
	4	* Copyright (C) 2013, Red Hat, Inc. All rights reserved.
	5	* Written by Ondrej Oprala and Karel Zak
	6	*
	7	* This file is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU Lesser General Public
	9	* License as published by the Free Software Foundation; either
	10	* version 3 of the License, or (at your option) any later version.
	11	*
	12	* This file is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* Lesser General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU Lesser General Public
	18	* License along with this file; if not, write to the Free Software
	19	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	20	*/
	21	#include "pylibmount.h"
	22
	23	/* Libmount-specific Exception class */
	24	PyObject *LibmountError;
b7e47ac1 KZ	25	int pylibmount_debug_mask;
b7e47ac1 KZ	26
813683a3 OO	27	PyObject UL_IncRef(void killme)
	28	{
	29	Py_INCREF(killme);
	30	return killme;
	31	}
	32
46407453 OO	33	void PyFree(void *o)
	34	{
	35	#if PY_MAJOR_VERSION >= 3
	36	Py_TYPE(o)->tp_free((PyObject *)o);
	37	#else
	38	((PyObject )o)->ob_type->tp_free((PyObject )o);
	39	#endif
	40	}
	41
813683a3 OO	42	/* Demultiplexer for various possible error conditions across the libmount library */
	43	void *UL_RaiseExc(int e)
	44	{
	45	/* TODO: Do we need to deal with -1/1? */
	46	switch (e) {
	47	case ENOMEM:
	48	PyErr_SetString(PyExc_MemoryError, strerror(e));
	49	break;
	50	case EINVAL:
	51	PyErr_SetString(PyExc_TypeError, strerror(e));
	52	break;
	53	/* libmount-specific errors */
	54	case MNT_ERR_APPLYFLAGS:
	55	PyErr_SetString(LibmountError, "Failed to apply MS_PROPAGATION flags");
	56	break;
	57	case MNT_ERR_MOUNTOPT:
	58	PyErr_SetString(LibmountError, "Failed to parse/use userspace mount options");
	59	break;
	60	case MNT_ERR_NOFSTAB:
	61	PyErr_SetString(LibmountError, "Failed to detect filesystem type");
	62	break;
	63	case MNT_ERR_NOFSTYPE:
	64	PyErr_SetString(LibmountError, "Required mount source undefined");
	65	break;
	66	case MNT_ERR_NOSOURCE:
	67	PyErr_SetString(LibmountError, "Loopdev setup failed");
	68	break;
	69	case MNT_ERR_AMBIFS:
	70	PyErr_SetString(LibmountError, "Libblkid detected more filesystems on the device");
	71	break;
	72	/* some other errno */
	73	default:
	74	PyErr_SetString(PyExc_Exception, strerror(e));
	75	break;
	76	}
	77	return NULL;
	78	}
	79
	80	/*
	81	* General functions
	82	*/
	83	PyObject *PyObjectResultInt(int i)
	84	{
	85	PyObject *result = Py_BuildValue("i", i);
	86	if (!result)
	87	PyErr_SetString(PyExc_RuntimeError, CONSTRUCT_ERR);
	88	return result;
	89	}
	90
	91	PyObject PyObjectResultStr(const char s)
	92	{
5d324c6b	93	PyObject *result;
813683a3 OO	94	if (!s)
	95	/* TODO: maybe lie about it and return "":
	96	* which would allow for
	97	* fs = libmount.Fs()
	98	* fs.comment += "comment"
	99	return Py_BuildValue("s", ""); */
	100	Py_RETURN_NONE;
5d324c6b	101	result = Py_BuildValue("s", s);
813683a3 OO	102	if (!result)
	103	PyErr_SetString(PyExc_RuntimeError, CONSTRUCT_ERR);
	104	return result;
	105	}
	106
46407453	107	/* wrapper around a common use case for PyUnicode_AsASCIIString() */
813683a3 OO	108	char pystos(PyObject pys)
813683a3 OO	109	{
46407453 OO	110	#if PY_MAJOR_VERSION >= 3
	111	if (!PyUnicode_Check(pys)) {
	112	PyErr_SetString(PyExc_TypeError, ARG_ERR);
	113	return NULL;
	114	}
	115	return (char *)PyUnicode_1BYTE_DATA(pys);
	116	#else
813683a3 OO	117	if (!PyString_Check(pys)) {
	118	PyErr_SetString(PyExc_TypeError, ARG_ERR);
	119	return NULL;
	120	}
	121	return PyString_AsString(pys);
46407453	122	#endif
813683a3 OO	123	}
	124
	125	/*
	126	* the libmount module
	127	*/
	128	#define PYLIBMOUNT_DESC \
	129	"Python API for the util-linux libmount library.\n\n" \
	130	"Please note that none of the classes' attributes may be deleted.\n" \
	131	"This is not a complete mapping to the libmount C API, nor is it\n" \
	132	"attempting to be one.\n" "Iterator functions only allow forward\n" \
9e930041	133	"iteration for now. Context.get_{user_,}mflags() differs from the C API\n" \
813683a3 OO	134	"and returns the flags directly. Fs.get_tag() differs from the C API\n" \
	135	"and returns a (tag, value) tuple. Every attribute is \"filtered\"" \
	136	"through appropriate getters/setters, no values are set directly."
	137
46407453 OO	138
	139	struct module_state {
	140	PyObject *error;
813683a3 OO	141	};
813683a3 OO	142
46407453 OO	143	#if PY_MAJOR_VERSION >= 3
	144	#define GETSTATE(m) ((struct module_state*)PyModule_GetState(m))
	145	#else
	146	#define GETSTATE(m) (&_state)
	147	static struct module_state _state;
813683a3	148	#endif
46407453 OO	149
	150	static PyObject *
	151	error_out(PyObject *m __attribute__((unused))) {
	152	struct module_state *st = GETSTATE(m);
	153	PyErr_SetString(st->error, "something bad happened");
	154	return NULL;
	155	}
	156
	157	static PyMethodDef pylibmount_methods[] = {
	158	{"error_out", (PyCFunction)error_out, METH_NOARGS, NULL},
	159	{NULL, NULL}
	160	};
	161
	162	#if PY_MAJOR_VERSION >= 3
	163
	164	static int pylibmount_traverse(PyObject m, visitproc visit, void arg) {
	165	Py_VISIT(GETSTATE(m)->error);
	166	return 0;
	167	}
	168
	169	static int pylibmount_clear(PyObject *m) {
	170	Py_CLEAR(GETSTATE(m)->error);
	171	return 0;
	172	}
	173
	174	static struct PyModuleDef moduledef = {
	175	PyModuleDef_HEAD_INIT,
	176	"pylibmount",
	177	NULL,
	178	sizeof(struct module_state),
	179	pylibmount_methods,
	180	NULL,
	181	pylibmount_traverse,
	182	pylibmount_clear,
	183	NULL
	184	};
	185	#define INITERROR return NULL
	186	PyObject * PyInit_pylibmount(void);
	187	PyObject * PyInit_pylibmount(void)
	188	#else
	189	#define INITERROR return
	190	# ifndef PyMODINIT_FUNC
	191	# define PyMODINIT_FUNC void
	192	# endif
813683a3 OO	193	PyMODINIT_FUNC initpylibmount(void);
813683a3 OO	194	PyMODINIT_FUNC initpylibmount(void)
46407453	195	#endif
813683a3	196	{
46407453 OO	197	#if PY_MAJOR_VERSION >= 3
	198	PyObject *m = PyModule_Create(&moduledef);
	199	#else
	200	PyObject *m = Py_InitModule3("pylibmount", pylibmount_methods, PYLIBMOUNT_DESC);
	201	#endif
813683a3 OO	202
813683a3 OO	203	if (!m)
46407453	204	INITERROR;
b7e47ac1 KZ	205	/*
	206	* init debug stuff
	207	*/
	208	if (!(pylibmount_debug_mask & PYMNT_DEBUG_INIT)) {
	209	char *str = getenv("PYLIBMOUNT_DEBUG");
	210
	211	pylibmount_debug_mask = 0;
	212	if (str)
87918040	213	pylibmount_debug_mask = strtoul(str, NULL, 0);
813683a3	214
b7e47ac1 KZ	215	pylibmount_debug_mask \|= PYMNT_DEBUG_INIT;
	216	}
	217
	218	if (pylibmount_debug_mask && pylibmount_debug_mask != PYMNT_DEBUG_INIT)
	219	DBG(INIT, pymnt_debug("library debug mask: 0x%04x",
	220	pylibmount_debug_mask));
	221	mnt_init_debug(0);
20b222ec	222
b7e47ac1 KZ	223	/*
	224	* Add module objects
	225	*/
813683a3 OO	226	LibmountError = PyErr_NewException("libmount.Error", NULL, NULL);
	227	Py_INCREF(LibmountError);
	228	PyModule_AddObject(m, "Error", (PyObject *)LibmountError);
	229
20b222ec KZ	230	FS_AddModuleObject(m);
20b222ec KZ	231	Table_AddModuleObject(m);
a5b3be92	232	#ifdef __linux__
20b222ec	233	Context_AddModuleObject(m);
a5b3be92	234	#endif
813683a3 OO	235
	236	/*
	237	* mount(8) userspace options masks (MNT_MAP_USERSPACE map)
	238	*/
	239	PyModule_AddIntConstant(m, "MNT_MS_COMMENT", MNT_MS_COMMENT);
	240	PyModule_AddIntConstant(m, "MNT_MS_GROUP", MNT_MS_GROUP);
	241	PyModule_AddIntConstant(m, "MNT_MS_HELPER", MNT_MS_HELPER);
	242	PyModule_AddIntConstant(m, "MNT_MS_LOOP", MNT_MS_LOOP);
	243	PyModule_AddIntConstant(m, "MNT_MS_NETDEV", MNT_MS_NETDEV);
	244	PyModule_AddIntConstant(m, "MNT_MS_NOAUTO", MNT_MS_NOAUTO);
	245	PyModule_AddIntConstant(m, "MNT_MS_NOFAIL", MNT_MS_NOFAIL);
	246	PyModule_AddIntConstant(m, "MNT_MS_OFFSET", MNT_MS_OFFSET);
	247	PyModule_AddIntConstant(m, "MNT_MS_OWNER", MNT_MS_OWNER);
	248	PyModule_AddIntConstant(m, "MNT_MS_SIZELIMIT", MNT_MS_SIZELIMIT);
	249	PyModule_AddIntConstant(m, "MNT_MS_ENCRYPTION", MNT_MS_ENCRYPTION);
	250	PyModule_AddIntConstant(m, "MNT_MS_UHELPER", MNT_MS_UHELPER);
	251	PyModule_AddIntConstant(m, "MNT_MS_USER", MNT_MS_USER);
	252	PyModule_AddIntConstant(m, "MNT_MS_USERS", MNT_MS_USERS);
	253	PyModule_AddIntConstant(m, "MNT_MS_XCOMMENT", MNT_MS_XCOMMENT);
e6a49887 LB	254	PyModule_AddIntConstant(m, "MNT_MS_HASH_DEVICE", MNT_MS_HASH_DEVICE);
	255	PyModule_AddIntConstant(m, "MNT_MS_ROOT_HASH", MNT_MS_ROOT_HASH);
	256	PyModule_AddIntConstant(m, "MNT_MS_HASH_OFFSET", MNT_MS_HASH_OFFSET);
813683a3 OO	257
	258	/*
	259	* mount(2) MS_* masks (MNT_MAP_LINUX map)
	260	*/
	261	PyModule_AddIntConstant(m, "MS_BIND", MS_BIND);
	262	PyModule_AddIntConstant(m, "MS_DIRSYNC", MS_DIRSYNC);
	263	PyModule_AddIntConstant(m, "MS_I_VERSION", MS_I_VERSION);
	264	PyModule_AddIntConstant(m, "MS_MANDLOCK", MS_MANDLOCK);
	265	PyModule_AddIntConstant(m, "MS_MGC_MSK", MS_MGC_MSK);
	266	PyModule_AddIntConstant(m, "MS_MGC_VAL", MS_MGC_VAL);
	267	PyModule_AddIntConstant(m, "MS_MOVE", MS_MOVE);
	268	PyModule_AddIntConstant(m, "MS_NOATIME", MS_NOATIME);
	269	PyModule_AddIntConstant(m, "MS_NODEV", MS_NODEV);
	270	PyModule_AddIntConstant(m, "MS_NODIRATIME", MS_NODIRATIME);
	271	PyModule_AddIntConstant(m, "MS_NOEXEC", MS_NOEXEC);
	272	PyModule_AddIntConstant(m, "MS_NOSUID", MS_NOSUID);
	273	PyModule_AddIntConstant(m, "MS_OWNERSECURE", MS_OWNERSECURE);
	274	PyModule_AddIntConstant(m, "MS_PRIVATE", MS_PRIVATE);
	275	PyModule_AddIntConstant(m, "MS_PROPAGATION", MS_PROPAGATION);
	276	PyModule_AddIntConstant(m, "MS_RDONLY", MS_RDONLY);
	277	PyModule_AddIntConstant(m, "MS_REC", MS_REC);
	278	PyModule_AddIntConstant(m, "MS_RELATIME", MS_RELATIME);
	279	PyModule_AddIntConstant(m, "MS_REMOUNT", MS_REMOUNT);
	280	PyModule_AddIntConstant(m, "MS_SECURE", MS_SECURE);
	281	PyModule_AddIntConstant(m, "MS_SHARED", MS_SHARED);
	282	PyModule_AddIntConstant(m, "MS_SILENT", MS_SILENT);
	283	PyModule_AddIntConstant(m, "MS_SLAVE", MS_SLAVE);
	284	PyModule_AddIntConstant(m, "MS_STRICTATIME", MS_STRICTATIME);
	285	PyModule_AddIntConstant(m, "MS_SYNCHRONOUS", MS_SYNCHRONOUS);
	286	PyModule_AddIntConstant(m, "MS_UNBINDABLE", MS_UNBINDABLE);
	287
	288	/* Will we need these directly?
	289	PyModule_AddIntConstant(m, "MNT_ERR_AMBIFS", MNT_ERR_AMBIFS);
	290	PyModule_AddIntConstant(m, "MNT_ERR_APPLYFLAGS", MNT_ERR_APPLYFLAGS);
	291	PyModule_AddIntConstant(m, "MNT_ERR_LOOPDEV", MNT_ERR_LOOPDEV);
	292	PyModule_AddIntConstant(m, "MNT_ERR_MOUNTOPT", MNT_ERR_MOUNTOPT);
	293	PyModule_AddIntConstant(m, "MNT_ERR_NOFSTAB", MNT_ERR_NOFSTAB);
	294	PyModule_AddIntConstant(m, "MNT_ERR_NOFSTYPE", MNT_ERR_NOFSTYPE);
	295	PyModule_AddIntConstant(m, "MNT_ERR_NOSOURCE", MNT_ERR_NOSOURCE);
	296	*/
	297
	298	/* Still useful for functions using iterators internally */
	299	PyModule_AddIntConstant(m, "MNT_ITER_FORWARD", MNT_ITER_FORWARD);
	300	PyModule_AddIntConstant(m, "MNT_ITER_BACKWARD", MNT_ITER_BACKWARD);
46407453 OO	301
	302	#if PY_MAJOR_VERSION >= 3
	303	return m;
	304	#endif
813683a3 OO	305	}
813683a3 OO	306