mirror of https://github.com/python/cpython
124 lines
3.7 KiB
C
124 lines
3.7 KiB
C
/*[clinic input]
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preserve
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[clinic start generated code]*/
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#if defined(HAVE_SHM_OPEN)
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PyDoc_STRVAR(_posixshmem_shm_open__doc__,
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"shm_open($module, /, path, flags, mode=511)\n"
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"--\n"
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"\n"
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"Open a shared memory object. Returns a file descriptor (integer).");
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#define _POSIXSHMEM_SHM_OPEN_METHODDEF \
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{"shm_open", _PyCFunction_CAST(_posixshmem_shm_open), METH_FASTCALL|METH_KEYWORDS, _posixshmem_shm_open__doc__},
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static int
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_posixshmem_shm_open_impl(PyObject *module, PyObject *path, int flags,
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int mode);
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static PyObject *
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_posixshmem_shm_open(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
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{
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PyObject *return_value = NULL;
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static const char * const _keywords[] = {"path", "flags", "mode", NULL};
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static _PyArg_Parser _parser = {NULL, _keywords, "shm_open", 0};
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PyObject *argsbuf[3];
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Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
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PyObject *path;
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int flags;
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int mode = 511;
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int _return_value;
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args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 2, 3, 0, argsbuf);
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if (!args) {
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goto exit;
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}
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if (!PyUnicode_Check(args[0])) {
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_PyArg_BadArgument("shm_open", "argument 'path'", "str", args[0]);
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goto exit;
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}
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if (PyUnicode_READY(args[0]) == -1) {
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goto exit;
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}
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path = args[0];
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flags = _PyLong_AsInt(args[1]);
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if (flags == -1 && PyErr_Occurred()) {
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goto exit;
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}
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if (!noptargs) {
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goto skip_optional_pos;
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}
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mode = _PyLong_AsInt(args[2]);
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if (mode == -1 && PyErr_Occurred()) {
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goto exit;
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}
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skip_optional_pos:
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_return_value = _posixshmem_shm_open_impl(module, path, flags, mode);
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if ((_return_value == -1) && PyErr_Occurred()) {
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goto exit;
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}
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return_value = PyLong_FromLong((long)_return_value);
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exit:
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return return_value;
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}
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#endif /* defined(HAVE_SHM_OPEN) */
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#if defined(HAVE_SHM_UNLINK)
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PyDoc_STRVAR(_posixshmem_shm_unlink__doc__,
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"shm_unlink($module, /, path)\n"
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"--\n"
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"\n"
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"Remove a shared memory object (similar to unlink()).\n"
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"\n"
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"Remove a shared memory object name, and, once all processes have unmapped\n"
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"the object, de-allocates and destroys the contents of the associated memory\n"
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"region.");
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#define _POSIXSHMEM_SHM_UNLINK_METHODDEF \
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{"shm_unlink", _PyCFunction_CAST(_posixshmem_shm_unlink), METH_FASTCALL|METH_KEYWORDS, _posixshmem_shm_unlink__doc__},
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static PyObject *
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_posixshmem_shm_unlink_impl(PyObject *module, PyObject *path);
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static PyObject *
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_posixshmem_shm_unlink(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
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{
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PyObject *return_value = NULL;
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static const char * const _keywords[] = {"path", NULL};
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static _PyArg_Parser _parser = {NULL, _keywords, "shm_unlink", 0};
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PyObject *argsbuf[1];
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PyObject *path;
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args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, argsbuf);
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if (!args) {
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goto exit;
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}
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if (!PyUnicode_Check(args[0])) {
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_PyArg_BadArgument("shm_unlink", "argument 'path'", "str", args[0]);
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goto exit;
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}
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if (PyUnicode_READY(args[0]) == -1) {
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goto exit;
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}
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path = args[0];
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return_value = _posixshmem_shm_unlink_impl(module, path);
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exit:
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return return_value;
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}
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#endif /* defined(HAVE_SHM_UNLINK) */
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#ifndef _POSIXSHMEM_SHM_OPEN_METHODDEF
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#define _POSIXSHMEM_SHM_OPEN_METHODDEF
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#endif /* !defined(_POSIXSHMEM_SHM_OPEN_METHODDEF) */
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#ifndef _POSIXSHMEM_SHM_UNLINK_METHODDEF
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#define _POSIXSHMEM_SHM_UNLINK_METHODDEF
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#endif /* !defined(_POSIXSHMEM_SHM_UNLINK_METHODDEF) */
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/*[clinic end generated code: output=a6db931a47d36e1b input=a9049054013a1b77]*/
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