Viewing file:  posixshmem.c.h (3.67 KB) -rw-r--r--
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/*[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]*/
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