cpython/Modules/_multiprocessing/clinic/posixshmem.c.h

90 lines
2.5 KiB
C

/*[clinic input]
preserve
[clinic start generated code]*/
#if defined(HAVE_SHM_OPEN)
PyDoc_STRVAR(_posixshmem_shm_open__doc__,
"shm_open($module, /, path, flags, mode=511)\n"
"--\n"
"\n"
"Open a shared memory object. Returns a file descriptor (integer).");
#define _POSIXSHMEM_SHM_OPEN_METHODDEF \
{"shm_open", (PyCFunction)(void(*)(void))_posixshmem_shm_open, METH_VARARGS|METH_KEYWORDS, _posixshmem_shm_open__doc__},
static int
_posixshmem_shm_open_impl(PyObject *module, PyObject *path, int flags,
int mode);
static PyObject *
_posixshmem_shm_open(PyObject *module, PyObject *args, PyObject *kwargs)
{
PyObject *return_value = NULL;
static char *_keywords[] = {"path", "flags", "mode", NULL};
PyObject *path;
int flags;
int mode = 511;
int _return_value;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "Ui|i:shm_open", _keywords,
&path, &flags, &mode))
goto exit;
_return_value = _posixshmem_shm_open_impl(module, path, flags, mode);
if ((_return_value == -1) && PyErr_Occurred()) {
goto exit;
}
return_value = PyLong_FromLong((long)_return_value);
exit:
return return_value;
}
#endif /* defined(HAVE_SHM_OPEN) */
#if defined(HAVE_SHM_UNLINK)
PyDoc_STRVAR(_posixshmem_shm_unlink__doc__,
"shm_unlink($module, path, /)\n"
"--\n"
"\n"
"Remove a shared memory object (similar to unlink()).\n"
"\n"
"Remove a shared memory object name, and, once all processes have unmapped\n"
"the object, de-allocates and destroys the contents of the associated memory\n"
"region.");
#define _POSIXSHMEM_SHM_UNLINK_METHODDEF \
{"shm_unlink", (PyCFunction)_posixshmem_shm_unlink, METH_O, _posixshmem_shm_unlink__doc__},
static PyObject *
_posixshmem_shm_unlink_impl(PyObject *module, PyObject *path);
static PyObject *
_posixshmem_shm_unlink(PyObject *module, PyObject *arg)
{
PyObject *return_value = NULL;
PyObject *path;
if (!PyUnicode_Check(arg)) {
PyErr_Format(PyExc_TypeError, "shm_unlink() argument must be str, not %T", arg);
goto exit;
}
path = arg;
return_value = _posixshmem_shm_unlink_impl(module, path);
exit:
return return_value;
}
#endif /* defined(HAVE_SHM_UNLINK) */
#ifndef _POSIXSHMEM_SHM_OPEN_METHODDEF
#define _POSIXSHMEM_SHM_OPEN_METHODDEF
#endif /* !defined(_POSIXSHMEM_SHM_OPEN_METHODDEF) */
#ifndef _POSIXSHMEM_SHM_UNLINK_METHODDEF
#define _POSIXSHMEM_SHM_UNLINK_METHODDEF
#endif /* !defined(_POSIXSHMEM_SHM_UNLINK_METHODDEF) */
/*[clinic end generated code: output=74588a5abba6e36c input=a9049054013a1b77]*/