mirror of
				https://github.com/python/cpython.git
				synced 2025-10-31 05:31:20 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			123 lines
		
	
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			123 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]*/
 | 
