mirror of
https://github.com/python/cpython
synced 2024-09-15 22:10:19 +00:00
124 lines
3.7 KiB
C
124 lines
3.7 KiB
C
/*[clinic input]
|
|
preserve
|
|
[clinic start generated code]*/
|
|
|
|
#if defined(HAVE_SHM_OPEN)
|
|
|
|
PyDoc_STRVAR(_posixshmem_shm_open__doc__,
|
|
"shm_open($module, /, path, flags, mode=511)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Open a shared memory object. Returns a file descriptor (integer).");
|
|
|
|
#define _POSIXSHMEM_SHM_OPEN_METHODDEF \
|
|
{"shm_open", (PyCFunction)(void(*)(void))_posixshmem_shm_open, METH_FASTCALL|METH_KEYWORDS, _posixshmem_shm_open__doc__},
|
|
|
|
static int
|
|
_posixshmem_shm_open_impl(PyObject *module, PyObject *path, int flags,
|
|
int mode);
|
|
|
|
static PyObject *
|
|
_posixshmem_shm_open(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
|
|
{
|
|
PyObject *return_value = NULL;
|
|
static const char * const _keywords[] = {"path", "flags", "mode", NULL};
|
|
static _PyArg_Parser _parser = {NULL, _keywords, "shm_open", 0};
|
|
PyObject *argsbuf[3];
|
|
Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
|
|
PyObject *path;
|
|
int flags;
|
|
int mode = 511;
|
|
int _return_value;
|
|
|
|
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 2, 3, 0, argsbuf);
|
|
if (!args) {
|
|
goto exit;
|
|
}
|
|
if (!PyUnicode_Check(args[0])) {
|
|
_PyArg_BadArgument("shm_open", "argument 'path'", "str", args[0]);
|
|
goto exit;
|
|
}
|
|
if (PyUnicode_READY(args[0]) == -1) {
|
|
goto exit;
|
|
}
|
|
path = args[0];
|
|
flags = _PyLong_AsInt(args[1]);
|
|
if (flags == -1 && PyErr_Occurred()) {
|
|
goto exit;
|
|
}
|
|
if (!noptargs) {
|
|
goto skip_optional_pos;
|
|
}
|
|
mode = _PyLong_AsInt(args[2]);
|
|
if (mode == -1 && PyErr_Occurred()) {
|
|
goto exit;
|
|
}
|
|
skip_optional_pos:
|
|
_return_value = _posixshmem_shm_open_impl(module, path, flags, mode);
|
|
if ((_return_value == -1) && PyErr_Occurred()) {
|
|
goto exit;
|
|
}
|
|
return_value = PyLong_FromLong((long)_return_value);
|
|
|
|
exit:
|
|
return return_value;
|
|
}
|
|
|
|
#endif /* defined(HAVE_SHM_OPEN) */
|
|
|
|
#if defined(HAVE_SHM_UNLINK)
|
|
|
|
PyDoc_STRVAR(_posixshmem_shm_unlink__doc__,
|
|
"shm_unlink($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)(void(*)(void))_posixshmem_shm_unlink, METH_FASTCALL|METH_KEYWORDS, _posixshmem_shm_unlink__doc__},
|
|
|
|
static PyObject *
|
|
_posixshmem_shm_unlink_impl(PyObject *module, PyObject *path);
|
|
|
|
static PyObject *
|
|
_posixshmem_shm_unlink(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
|
|
{
|
|
PyObject *return_value = NULL;
|
|
static const char * const _keywords[] = {"path", NULL};
|
|
static _PyArg_Parser _parser = {NULL, _keywords, "shm_unlink", 0};
|
|
PyObject *argsbuf[1];
|
|
PyObject *path;
|
|
|
|
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, argsbuf);
|
|
if (!args) {
|
|
goto exit;
|
|
}
|
|
if (!PyUnicode_Check(args[0])) {
|
|
_PyArg_BadArgument("shm_unlink", "argument 'path'", "str", args[0]);
|
|
goto exit;
|
|
}
|
|
if (PyUnicode_READY(args[0]) == -1) {
|
|
goto exit;
|
|
}
|
|
path = args[0];
|
|
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=bca8e78d0f43ef1a input=a9049054013a1b77]*/
|