You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
595 lines
15 KiB
595 lines
15 KiB
4 years ago
|
|
||
|
|
/* fcntl module */
|
||
|
|
|
||
|
|
#include "Python.h"
|
||
|
|
|
||
|
|
#ifdef HAVE_SYS_FILE_H
|
||
|
|
#include <sys/file.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <sys/ioctl.h>
|
||
|
|
#include <fcntl.h>
|
||
|
|
#ifdef HAVE_STROPTS_H
|
||
|
|
#include <stropts.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static int
|
||
|
|
conv_descriptor(PyObject *object, int *target)
|
||
|
|
{
|
||
|
|
int fd = PyObject_AsFileDescriptor(object);
|
||
|
|
|
||
|
|
if (fd < 0)
|
||
|
|
return 0;
|
||
|
|
*target = fd;
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* fcntl(fd, opt, [arg]) */
|
||
|
|
|
||
|
|
static PyObject *
|
||
|
|
fcntl_fcntl(PyObject *self, PyObject *args)
|
||
|
|
{
|
||
|
|
int fd;
|
||
|
|
int code;
|
||
|
|
int arg;
|
||
|
|
int ret;
|
||
|
|
char *str;
|
||
|
|
int len;
|
||
|
|
char buf[1024];
|
||
|
|
|
||
|
|
if (PyArg_ParseTuple(args, "O&is#:fcntl",
|
||
|
|
conv_descriptor, &fd, &code, &str, &len)) {
|
||
|
|
if (len > sizeof buf) {
|
||
|
|
PyErr_SetString(PyExc_ValueError,
|
||
|
|
"fcntl string arg too long");
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
memcpy(buf, str, len);
|
||
|
|
Py_BEGIN_ALLOW_THREADS
|
||
|
|
ret = fcntl(fd, code, buf);
|
||
|
|
Py_END_ALLOW_THREADS
|
||
|
|
if (ret < 0) {
|
||
|
|
PyErr_SetFromErrno(PyExc_IOError);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
return PyString_FromStringAndSize(buf, len);
|
||
|
|
}
|
||
|
|
|
||
|
|
PyErr_Clear();
|
||
|
|
arg = 0;
|
||
|
|
if (!PyArg_ParseTuple(args,
|
||
|
|
"O&i|i;fcntl requires a file or file descriptor,"
|
||
|
|
" an integer and optionally a third integer or a string",
|
||
|
|
conv_descriptor, &fd, &code, &arg)) {
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
Py_BEGIN_ALLOW_THREADS
|
||
|
|
ret = fcntl(fd, code, arg);
|
||
|
|
Py_END_ALLOW_THREADS
|
||
|
|
if (ret < 0) {
|
||
|
|
PyErr_SetFromErrno(PyExc_IOError);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
return PyInt_FromLong((long)ret);
|
||
|
|
}
|
||
|
|
|
||
|
|
PyDoc_STRVAR(fcntl_doc,
|
||
|
|
"fcntl(fd, opt, [arg])\n\
|
||
|
|
\n\
|
||
|
|
Perform the requested operation on file descriptor fd. The operation\n\
|
||
|
|
is defined by op and is operating system dependent. These constants are\n\
|
||
|
|
available from the fcntl module. The argument arg is optional, and\n\
|
||
|
|
defaults to 0; it may be an int or a string. If arg is given as a string,\n\
|
||
|
|
the return value of fcntl is a string of that length, containing the\n\
|
||
|
|
resulting value put in the arg buffer by the operating system.The length\n\
|
||
|
|
of the arg string is not allowed to exceed 1024 bytes. If the arg given\n\
|
||
|
|
is an integer or if none is specified, the result value is an integer\n\
|
||
|
|
corresponding to the return value of the fcntl call in the C code.");
|
||
|
|
|
||
|
|
|
||
|
|
/* ioctl(fd, opt, [arg]) */
|
||
|
|
|
||
|
|
static PyObject *
|
||
|
|
fcntl_ioctl(PyObject *self, PyObject *args)
|
||
|
|
{
|
||
|
|
int fd;
|
||
|
|
int code;
|
||
|
|
int arg;
|
||
|
|
int ret;
|
||
|
|
char *str;
|
||
|
|
int len;
|
||
|
|
int mutate_arg = 0;
|
||
|
|
char buf[1024];
|
||
|
|
|
||
|
|
if (PyArg_ParseTuple(args, "O&iw#|i:ioctl",
|
||
|
|
conv_descriptor, &fd, &code,
|
||
|
|
&str, &len, &mutate_arg)) {
|
||
|
|
char *arg;
|
||
|
|
|
||
|
|
if (PyTuple_Size(args) == 3) {
|
||
|
|
/* warning goes here in 2.4 */
|
||
|
|
mutate_arg = 0;
|
||
|
|
}
|
||
|
|
if (mutate_arg) {
|
||
|
|
if (len <= sizeof buf) {
|
||
|
|
memcpy(buf, str, len);
|
||
|
|
arg = buf;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
arg = str;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (len > sizeof buf) {
|
||
|
|
PyErr_SetString(PyExc_ValueError,
|
||
|
|
"ioctl string arg too long");
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
memcpy(buf, str, len);
|
||
|
|
arg = buf;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (buf == arg) {
|
||
|
|
Py_BEGIN_ALLOW_THREADS /* think array.resize() */
|
||
|
|
ret = ioctl(fd, code, arg);
|
||
|
|
Py_END_ALLOW_THREADS
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
ret = ioctl(fd, code, arg);
|
||
|
|
}
|
||
|
|
if (mutate_arg && (len < sizeof buf)) {
|
||
|
|
memcpy(str, buf, len);
|
||
|
|
}
|
||
|
|
if (ret < 0) {
|
||
|
|
PyErr_SetFromErrno(PyExc_IOError);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
if (mutate_arg) {
|
||
|
|
return PyInt_FromLong(ret);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
return PyString_FromStringAndSize(buf, len);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
PyErr_Clear();
|
||
|
|
if (PyArg_ParseTuple(args, "O&is#:ioctl",
|
||
|
|
conv_descriptor, &fd, &code, &str, &len)) {
|
||
|
|
if (len > sizeof buf) {
|
||
|
|
PyErr_SetString(PyExc_ValueError,
|
||
|
|
"ioctl string arg too long");
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
memcpy(buf, str, len);
|
||
|
|
Py_BEGIN_ALLOW_THREADS
|
||
|
|
ret = ioctl(fd, code, buf);
|
||
|
|
Py_END_ALLOW_THREADS
|
||
|
|
if (ret < 0) {
|
||
|
|
PyErr_SetFromErrno(PyExc_IOError);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
return PyString_FromStringAndSize(buf, len);
|
||
|
|
}
|
||
|
|
|
||
|
|
PyErr_Clear();
|
||
|
|
arg = 0;
|
||
|
|
if (!PyArg_ParseTuple(args,
|
||
|
|
"O&i|i;ioctl requires a file or file descriptor,"
|
||
|
|
" an integer and optionally a integer or buffer argument",
|
||
|
|
conv_descriptor, &fd, &code, &arg)) {
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
Py_BEGIN_ALLOW_THREADS
|
||
|
|
#ifdef __VMS
|
||
|
|
ret = ioctl(fd, code, (void *)arg);
|
||
|
|
#else
|
||
|
|
ret = ioctl(fd, code, arg);
|
||
|
|
#endif
|
||
|
|
Py_END_ALLOW_THREADS
|
||
|
|
if (ret < 0) {
|
||
|
|
PyErr_SetFromErrno(PyExc_IOError);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
return PyInt_FromLong((long)ret);
|
||
|
|
}
|
||
|
|
|
||
|
|
PyDoc_STRVAR(ioctl_doc,
|
||
|
|
"ioctl(fd, opt[, arg[, mutate_flag]])\n\
|
||
|
|
\n\
|
||
|
|
Perform the requested operation on file descriptor fd. The operation is\n\
|
||
|
|
defined by opt and is operating system dependent. Typically these codes are\n\
|
||
|
|
retrieved from the fcntl or termios library modules.\n\
|
||
|
|
\n\
|
||
|
|
The argument arg is optional, and defaults to 0; it may be an int or a\n\
|
||
|
|
buffer containing character data (most likely a string or an array). \n\
|
||
|
|
\n\
|
||
|
|
If the argument is a mutable buffer (such as an array) and if the\n\
|
||
|
|
mutate_flag argument (which is only allowed in this case) is true then the\n\
|
||
|
|
buffer is (in effect) passed to the operating system and changes made by\n\
|
||
|
|
the OS will be reflected in the contents of the buffer after the call has\n\
|
||
|
|
returned. The return value is the integer returned by the ioctl system\n\
|
||
|
|
call.\n\
|
||
|
|
\n\
|
||
|
|
If the argument is a mutable buffer and the mutable_flag argument is not\n\
|
||
|
|
passed or is false, the behavior is as if a string had been passed. This\n\
|
||
|
|
behavior will change in future releases of Python.\n\
|
||
|
|
\n\
|
||
|
|
If the argument is an immutable buffer (most likely a string) then a copy\n\
|
||
|
|
of the buffer is passed to the operating system and the return value is a\n\
|
||
|
|
string of the same length containing whatever the operating system put in\n\
|
||
|
|
the buffer. The length of the arg buffer in this case is not allowed to\n\
|
||
|
|
exceed 1024 bytes.\n\
|
||
|
|
\n\
|
||
|
|
If the arg given is an integer or if none is specified, the result value is\n\
|
||
|
|
an integer corresponding to the return value of the ioctl call in the C\n\
|
||
|
|
code.");
|
||
|
|
|
||
|
|
|
||
|
|
/* flock(fd, operation) */
|
||
|
|
|
||
|
|
static PyObject *
|
||
|
|
fcntl_flock(PyObject *self, PyObject *args)
|
||
|
|
{
|
||
|
|
int fd;
|
||
|
|
int code;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
if (!PyArg_ParseTuple(args, "O&i:flock",
|
||
|
|
conv_descriptor, &fd, &code))
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
#ifdef HAVE_FLOCK
|
||
|
|
Py_BEGIN_ALLOW_THREADS
|
||
|
|
ret = flock(fd, code);
|
||
|
|
Py_END_ALLOW_THREADS
|
||
|
|
#else
|
||
|
|
|
||
|
|
#ifndef LOCK_SH
|
||
|
|
#define LOCK_SH 1 /* shared lock */
|
||
|
|
#define LOCK_EX 2 /* exclusive lock */
|
||
|
|
#define LOCK_NB 4 /* don't block when locking */
|
||
|
|
#define LOCK_UN 8 /* unlock */
|
||
|
|
#endif
|
||
|
|
{
|
||
|
|
struct flock l;
|
||
|
|
if (code == LOCK_UN)
|
||
|
|
l.l_type = F_UNLCK;
|
||
|
|
else if (code & LOCK_SH)
|
||
|
|
l.l_type = F_RDLCK;
|
||
|
|
else if (code & LOCK_EX)
|
||
|
|
l.l_type = F_WRLCK;
|
||
|
|
else {
|
||
|
|
PyErr_SetString(PyExc_ValueError,
|
||
|
|
"unrecognized flock argument");
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
l.l_whence = l.l_start = l.l_len = 0;
|
||
|
|
Py_BEGIN_ALLOW_THREADS
|
||
|
|
ret = fcntl(fd, (code & LOCK_NB) ? F_SETLK : F_SETLKW, &l);
|
||
|
|
Py_END_ALLOW_THREADS
|
||
|
|
}
|
||
|
|
#endif /* HAVE_FLOCK */
|
||
|
|
if (ret < 0) {
|
||
|
|
PyErr_SetFromErrno(PyExc_IOError);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
Py_INCREF(Py_None);
|
||
|
|
return Py_None;
|
||
|
|
}
|
||
|
|
|
||
|
|
PyDoc_STRVAR(flock_doc,
|
||
|
|
"flock(fd, operation)\n\
|
||
|
|
\n\
|
||
|
|
Perform the lock operation op on file descriptor fd. See the Unix \n\
|
||
|
|
manual flock(3) for details. (On some systems, this function is\n\
|
||
|
|
emulated using fcntl().)");
|
||
|
|
|
||
|
|
|
||
|
|
/* lockf(fd, operation) */
|
||
|
|
static PyObject *
|
||
|
|
fcntl_lockf(PyObject *self, PyObject *args)
|
||
|
|
{
|
||
|
|
int fd, code, ret, whence = 0;
|
||
|
|
PyObject *lenobj = NULL, *startobj = NULL;
|
||
|
|
|
||
|
|
if (!PyArg_ParseTuple(args, "O&i|OOi:lockf",
|
||
|
|
conv_descriptor, &fd, &code,
|
||
|
|
&lenobj, &startobj, &whence))
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
#if defined(PYOS_OS2) && defined(PYCC_GCC)
|
||
|
|
PyErr_SetString(PyExc_NotImplementedError,
|
||
|
|
"lockf not supported on OS/2 (EMX)");
|
||
|
|
return NULL;
|
||
|
|
#else
|
||
|
|
#ifndef LOCK_SH
|
||
|
|
#define LOCK_SH 1 /* shared lock */
|
||
|
|
#define LOCK_EX 2 /* exclusive lock */
|
||
|
|
#define LOCK_NB 4 /* don't block when locking */
|
||
|
|
#define LOCK_UN 8 /* unlock */
|
||
|
|
#endif /* LOCK_SH */
|
||
|
|
{
|
||
|
|
struct flock l;
|
||
|
|
if (code == LOCK_UN)
|
||
|
|
l.l_type = F_UNLCK;
|
||
|
|
else if (code & LOCK_SH)
|
||
|
|
l.l_type = F_RDLCK;
|
||
|
|
else if (code & LOCK_EX)
|
||
|
|
l.l_type = F_WRLCK;
|
||
|
|
else {
|
||
|
|
PyErr_SetString(PyExc_ValueError,
|
||
|
|
"unrecognized flock argument");
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
l.l_start = l.l_len = 0;
|
||
|
|
if (startobj != NULL) {
|
||
|
|
#if !defined(HAVE_LARGEFILE_SUPPORT)
|
||
|
|
l.l_start = PyInt_AsLong(startobj);
|
||
|
|
#else
|
||
|
|
l.l_start = PyLong_Check(startobj) ?
|
||
|
|
PyLong_AsLongLong(startobj) :
|
||
|
|
PyInt_AsLong(startobj);
|
||
|
|
#endif
|
||
|
|
if (PyErr_Occurred())
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
if (lenobj != NULL) {
|
||
|
|
#if !defined(HAVE_LARGEFILE_SUPPORT)
|
||
|
|
l.l_len = PyInt_AsLong(lenobj);
|
||
|
|
#else
|
||
|
|
l.l_len = PyLong_Check(lenobj) ?
|
||
|
|
PyLong_AsLongLong(lenobj) :
|
||
|
|
PyInt_AsLong(lenobj);
|
||
|
|
#endif
|
||
|
|
if (PyErr_Occurred())
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
l.l_whence = whence;
|
||
|
|
Py_BEGIN_ALLOW_THREADS
|
||
|
|
ret = fcntl(fd, (code & LOCK_NB) ? F_SETLK : F_SETLKW, &l);
|
||
|
|
Py_END_ALLOW_THREADS
|
||
|
|
}
|
||
|
|
if (ret < 0) {
|
||
|
|
PyErr_SetFromErrno(PyExc_IOError);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
Py_INCREF(Py_None);
|
||
|
|
return Py_None;
|
||
|
|
#endif /* defined(PYOS_OS2) && defined(PYCC_GCC) */
|
||
|
|
}
|
||
|
|
|
||
|
|
PyDoc_STRVAR(lockf_doc,
|
||
|
|
"lockf (fd, operation, length=0, start=0, whence=0)\n\
|
||
|
|
\n\
|
||
|
|
This is essentially a wrapper around the fcntl() locking calls. fd is the\n\
|
||
|
|
file descriptor of the file to lock or unlock, and operation is one of the\n\
|
||
|
|
following values:\n\
|
||
|
|
\n\
|
||
|
|
LOCK_UN - unlock\n\
|
||
|
|
LOCK_SH - acquire a shared lock\n\
|
||
|
|
LOCK_EX - acquire an exclusive lock\n\
|
||
|
|
\n\
|
||
|
|
When operation is LOCK_SH or LOCK_EX, it can also be bit-wise OR'd with\n\
|
||
|
|
LOCK_NB to avoid blocking on lock acquisition. If LOCK_NB is used and the\n\
|
||
|
|
lock cannot be acquired, an IOError will be raised and the exception will\n\
|
||
|
|
have an errno attribute set to EACCES or EAGAIN (depending on the operating\n\
|
||
|
|
system -- for portability, check for either value).\n\
|
||
|
|
\n\
|
||
|
|
length is the number of bytes to lock, with the default meaning to lock to\n\
|
||
|
|
EOF. start is the byte offset, relative to whence, to that the lock\n\
|
||
|
|
starts. whence is as with fileobj.seek(), specifically:\n\
|
||
|
|
\n\
|
||
|
|
0 - relative to the start of the file (SEEK_SET)\n\
|
||
|
|
1 - relative to the current buffer position (SEEK_CUR)\n\
|
||
|
|
2 - relative to the end of the file (SEEK_END)");
|
||
|
|
|
||
|
|
/* List of functions */
|
||
|
|
|
||
|
|
static PyMethodDef fcntl_methods[] = {
|
||
|
|
{"fcntl", fcntl_fcntl, METH_VARARGS, fcntl_doc},
|
||
|
|
{"ioctl", fcntl_ioctl, METH_VARARGS, ioctl_doc},
|
||
|
|
{"flock", fcntl_flock, METH_VARARGS, flock_doc},
|
||
|
|
{"lockf", fcntl_lockf, METH_VARARGS, lockf_doc},
|
||
|
|
{NULL, NULL} /* sentinel */
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
PyDoc_STRVAR(module_doc,
|
||
|
|
"This module performs file control and I/O control on file \n\
|
||
|
|
descriptors. It is an interface to the fcntl() and ioctl() Unix\n\
|
||
|
|
routines. File descriptors can be obtained with the fileno() method of\n\
|
||
|
|
a file or socket object.");
|
||
|
|
|
||
|
|
/* Module initialisation */
|
||
|
|
|
||
|
|
static int
|
||
|
|
ins(PyObject* d, char* symbol, long value)
|
||
|
|
{
|
||
|
|
PyObject* v = PyInt_FromLong(value);
|
||
|
|
if (!v || PyDict_SetItemString(d, symbol, v) < 0)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
Py_DECREF(v);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#define INS(x) if (ins(d, #x, (long)x)) return -1
|
||
|
|
|
||
|
|
static int
|
||
|
|
all_ins(PyObject* d)
|
||
|
|
{
|
||
|
|
if (ins(d, "LOCK_SH", (long)LOCK_SH)) return -1;
|
||
|
|
if (ins(d, "LOCK_EX", (long)LOCK_EX)) return -1;
|
||
|
|
if (ins(d, "LOCK_NB", (long)LOCK_NB)) return -1;
|
||
|
|
if (ins(d, "LOCK_UN", (long)LOCK_UN)) return -1;
|
||
|
|
/* GNU extensions, as of glibc 2.2.4 */
|
||
|
|
#ifdef LOCK_MAND
|
||
|
|
if (ins(d, "LOCK_MAND", (long)LOCK_MAND)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef LOCK_READ
|
||
|
|
if (ins(d, "LOCK_READ", (long)LOCK_READ)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef LOCK_WRITE
|
||
|
|
if (ins(d, "LOCK_WRITE", (long)LOCK_WRITE)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef LOCK_RW
|
||
|
|
if (ins(d, "LOCK_RW", (long)LOCK_RW)) return -1;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef F_DUPFD
|
||
|
|
if (ins(d, "F_DUPFD", (long)F_DUPFD)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_GETFD
|
||
|
|
if (ins(d, "F_GETFD", (long)F_GETFD)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_SETFD
|
||
|
|
if (ins(d, "F_SETFD", (long)F_SETFD)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_GETFL
|
||
|
|
if (ins(d, "F_GETFL", (long)F_GETFL)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_SETFL
|
||
|
|
if (ins(d, "F_SETFL", (long)F_SETFL)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_GETLK
|
||
|
|
if (ins(d, "F_GETLK", (long)F_GETLK)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_SETLK
|
||
|
|
if (ins(d, "F_SETLK", (long)F_SETLK)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_SETLKW
|
||
|
|
if (ins(d, "F_SETLKW", (long)F_SETLKW)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_GETOWN
|
||
|
|
if (ins(d, "F_GETOWN", (long)F_GETOWN)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_SETOWN
|
||
|
|
if (ins(d, "F_SETOWN", (long)F_SETOWN)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_GETSIG
|
||
|
|
if (ins(d, "F_GETSIG", (long)F_GETSIG)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_SETSIG
|
||
|
|
if (ins(d, "F_SETSIG", (long)F_SETSIG)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_RDLCK
|
||
|
|
if (ins(d, "F_RDLCK", (long)F_RDLCK)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_WRLCK
|
||
|
|
if (ins(d, "F_WRLCK", (long)F_WRLCK)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_UNLCK
|
||
|
|
if (ins(d, "F_UNLCK", (long)F_UNLCK)) return -1;
|
||
|
|
#endif
|
||
|
|
/* LFS constants */
|
||
|
|
#ifdef F_GETLK64
|
||
|
|
if (ins(d, "F_GETLK64", (long)F_GETLK64)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_SETLK64
|
||
|
|
if (ins(d, "F_SETLK64", (long)F_SETLK64)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_SETLKW64
|
||
|
|
if (ins(d, "F_SETLKW64", (long)F_SETLKW64)) return -1;
|
||
|
|
#endif
|
||
|
|
/* GNU extensions, as of glibc 2.2.4. */
|
||
|
|
#ifdef F_SETLEASE
|
||
|
|
if (ins(d, "F_SETLEASE", (long)F_SETLEASE)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_GETLEASE
|
||
|
|
if (ins(d, "F_GETLEASE", (long)F_GETLEASE)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_NOTIFY
|
||
|
|
if (ins(d, "F_NOTIFY", (long)F_NOTIFY)) return -1;
|
||
|
|
#endif
|
||
|
|
/* Old BSD flock(). */
|
||
|
|
#ifdef F_EXLCK
|
||
|
|
if (ins(d, "F_EXLCK", (long)F_EXLCK)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef F_SHLCK
|
||
|
|
if (ins(d, "F_SHLCK", (long)F_SHLCK)) return -1;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* For F_{GET|SET}FL */
|
||
|
|
#ifdef FD_CLOEXEC
|
||
|
|
if (ins(d, "FD_CLOEXEC", (long)FD_CLOEXEC)) return -1;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* For F_NOTIFY */
|
||
|
|
#ifdef DN_ACCESS
|
||
|
|
if (ins(d, "DN_ACCESS", (long)DN_ACCESS)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef DN_MODIFY
|
||
|
|
if (ins(d, "DN_MODIFY", (long)DN_MODIFY)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef DN_CREATE
|
||
|
|
if (ins(d, "DN_CREATE", (long)DN_CREATE)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef DN_DELETE
|
||
|
|
if (ins(d, "DN_DELETE", (long)DN_DELETE)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef DN_RENAME
|
||
|
|
if (ins(d, "DN_RENAME", (long)DN_RENAME)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef DN_ATTRIB
|
||
|
|
if (ins(d, "DN_ATTRIB", (long)DN_ATTRIB)) return -1;
|
||
|
|
#endif
|
||
|
|
#ifdef DN_MULTISHOT
|
||
|
|
if (ins(d, "DN_MULTISHOT", (long)DN_MULTISHOT)) return -1;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef HAVE_STROPTS_H
|
||
|
|
/* Unix 98 guarantees that these are in stropts.h. */
|
||
|
|
INS(I_PUSH);
|
||
|
|
INS(I_POP);
|
||
|
|
INS(I_LOOK);
|
||
|
|
INS(I_FLUSH);
|
||
|
|
INS(I_FLUSHBAND);
|
||
|
|
INS(I_SETSIG);
|
||
|
|
INS(I_GETSIG);
|
||
|
|
INS(I_FIND);
|
||
|
|
INS(I_PEEK);
|
||
|
|
INS(I_SRDOPT);
|
||
|
|
INS(I_GRDOPT);
|
||
|
|
INS(I_NREAD);
|
||
|
|
INS(I_FDINSERT);
|
||
|
|
INS(I_STR);
|
||
|
|
INS(I_SWROPT);
|
||
|
|
#ifdef I_GWROPT
|
||
|
|
/* despite the comment above, old-ish glibcs miss a couple... */
|
||
|
|
INS(I_GWROPT);
|
||
|
|
#endif
|
||
|
|
INS(I_SENDFD);
|
||
|
|
INS(I_RECVFD);
|
||
|
|
INS(I_LIST);
|
||
|
|
INS(I_ATMARK);
|
||
|
|
INS(I_CKBAND);
|
||
|
|
INS(I_GETBAND);
|
||
|
|
INS(I_CANPUT);
|
||
|
|
INS(I_SETCLTIME);
|
||
|
|
#ifdef I_GETCLTIME
|
||
|
|
INS(I_GETCLTIME);
|
||
|
|
#endif
|
||
|
|
INS(I_LINK);
|
||
|
|
INS(I_UNLINK);
|
||
|
|
INS(I_PLINK);
|
||
|
|
INS(I_PUNLINK);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
PyMODINIT_FUNC
|
||
|
|
initfcntl(void)
|
||
|
|
{
|
||
|
|
PyObject *m, *d;
|
||
|
|
|
||
|
|
/* Create the module and add the functions and documentation */
|
||
|
|
m = Py_InitModule3("fcntl", fcntl_methods, module_doc);
|
||
|
|
|
||
|
|
/* Add some symbolic constants to the module */
|
||
|
|
d = PyModule_GetDict(m);
|
||
|
|
all_ins(d);
|
||
|
|
}
|