cpython-lru_cache-weakref: Modules/dlmodule.c annotate

annotate Modules/dlmodule.c @ 25838:8540887bcec6 2.2

Backport of 2.183: Fix memory leak in add_subclass() found by NealN with valgrind.

author	Guido van Rossum <guido@python.org>
date	Fri, 18 Oct 2002 13:42:21 +0000
parents	91dd223829c6
children	a9e06ffaf7fb

rev	line source
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	1
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	2 /* dl module */
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	3
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	4 #include "Python.h"
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	5
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	6 #include <dlfcn.h>
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	7
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	8 #ifndef RTLD_LAZY
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	9 #define RTLD_LAZY 1
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	10 #endif
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	11
13709 4e2aaf1e722a Use 'void' directly instead of the ANY #define, now that all code is ANSI C. Thomas Wouters <thomas@python.org> parents: 13651 diff changeset	12 typedef void *PyUnivPtr;
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	13 typedef struct {
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	14 PyObject_HEAD
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	15 PyUnivPtr *dl_handle;
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	16 } dlobject;
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	17
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	18 staticforward PyTypeObject Dltype;
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	19
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	20 static PyObject *Dlerror;
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	21
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	22 static PyObject *
13499 046799a08057 ANSI-fication Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13256 diff changeset	23 newdlobject(PyUnivPtr *handle)
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	24 {
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	25 dlobject *xp;
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 6889 diff changeset	26 xp = PyObject_New(dlobject, &Dltype);
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	27 if (xp == NULL)
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	28 return NULL;
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	29 xp->dl_handle = handle;
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	30 return (PyObject *)xp;
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	31 }
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	32
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	33 static void
13499 046799a08057 ANSI-fication Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13256 diff changeset	34 dl_dealloc(dlobject *xp)
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	35 {
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	36 if (xp->dl_handle != NULL)
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	37 dlclose(xp->dl_handle);
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 6889 diff changeset	38 PyObject_Del(xp);
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	39 }
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	40
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	41 static PyObject *
13499 046799a08057 ANSI-fication Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13256 diff changeset	42 dl_close(dlobject xp, PyObject args)
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	43 {
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	44 if (!PyArg_Parse(args, ""))
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	45 return NULL;
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	46 if (xp->dl_handle != NULL) {
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	47 dlclose(xp->dl_handle);
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	48 xp->dl_handle = NULL;
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	49 }
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	50 Py_INCREF(Py_None);
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	51 return Py_None;
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	52 }
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	53
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	54 static PyObject *
13499 046799a08057 ANSI-fication Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13256 diff changeset	55 dl_sym(dlobject xp, PyObject args)
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	56 {
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	57 char *name;
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	58 PyUnivPtr *func;
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	59 if (!PyArg_Parse(args, "s", &name))
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	60 return NULL;
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	61 func = dlsym(xp->dl_handle, name);
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	62 if (func == NULL) {
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	63 Py_INCREF(Py_None);
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	64 return Py_None;
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	65 }
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	66 return PyInt_FromLong((long)func);
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	67 }
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	68
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	69 static PyObject *
13499 046799a08057 ANSI-fication Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13256 diff changeset	70 dl_call(dlobject xp, PyObject args)
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	71 {
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	72 PyObject *name;
15157 459232a9b804 Remove one more gcc -Wall warning. Fred Drake <fdrake@acm.org> parents: 14542 diff changeset	73 long (*func)(long, long, long, long, long,
459232a9b804 Remove one more gcc -Wall warning. Fred Drake <fdrake@acm.org> parents: 14542 diff changeset	74 long, long, long, long, long);
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	75 long alist[10];
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	76 long res;
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	77 int i;
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	78 int n = PyTuple_Size(args);
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	79 if (n < 1) {
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	80 PyErr_SetString(PyExc_TypeError, "at least a name is needed");
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	81 return NULL;
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	82 }
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	83 name = PyTuple_GetItem(args, 0);
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	84 if (!PyString_Check(name)) {
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	85 PyErr_SetString(PyExc_TypeError,
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	86 "function name must be a string");
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	87 return NULL;
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	88 }
16735 9f86cba4766b Patch #103926: fix two warnings from Tru64's compiler Andrew M. Kuchling <amk@amk.ca> parents: 15157 diff changeset	89 func = (long (*)(long, long, long, long, long,
9f86cba4766b Patch #103926: fix two warnings from Tru64's compiler Andrew M. Kuchling <amk@amk.ca> parents: 15157 diff changeset	90 long, long, long, long, long))
9f86cba4766b Patch #103926: fix two warnings from Tru64's compiler Andrew M. Kuchling <amk@amk.ca> parents: 15157 diff changeset	91 dlsym(xp->dl_handle, PyString_AsString(name));
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	92 if (func == NULL) {
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	93 PyErr_SetString(PyExc_ValueError, dlerror());
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	94 return NULL;
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	95 }
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	96 if (n-1 > 10) {
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	97 PyErr_SetString(PyExc_TypeError,
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	98 "too many arguments (max 10)");
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	99 return NULL;
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	100 }
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	101 for (i = 1; i < n; i++) {
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	102 PyObject *v = PyTuple_GetItem(args, i);
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	103 if (PyInt_Check(v))
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	104 alist[i-1] = PyInt_AsLong(v);
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	105 else if (PyString_Check(v))
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	106 alist[i-1] = (long)PyString_AsString(v);
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	107 else if (v == Py_None)
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	108 alist[i-1] = (long) ((char *)NULL);
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	109 else {
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	110 PyErr_SetString(PyExc_TypeError,
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	111 "arguments must be int, string or None");
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	112 return NULL;
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	113 }
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	114 }
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	115 for (; i <= 10; i++)
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	116 alist[i-1] = 0;
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	117 res = (*func)(alist[0], alist[1], alist[2], alist[3], alist[4],
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	118 alist[5], alist[6], alist[7], alist[8], alist[9]);
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	119 return PyInt_FromLong(res);
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	120 }
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	121
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	122 static PyMethodDef dlobject_methods[] = {
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	123 {"call", (PyCFunction)dl_call, 1 /* varargs */},
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	124 {"sym", (PyCFunction)dl_sym},
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	125 {"close", (PyCFunction)dl_close},
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	126 {NULL, NULL} /* Sentinel */
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	127 };
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	128
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	129 static PyObject *
13499 046799a08057 ANSI-fication Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13256 diff changeset	130 dl_getattr(dlobject xp, char name)
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	131 {
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	132 return Py_FindMethod(dlobject_methods, (PyObject *)xp, name);
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	133 }
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	134
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	135
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	136 static PyTypeObject Dltype = {
16804 8156879fe60d Patch #404680: disables the nis module and enables the dl module when Andrew M. Kuchling <amk@amk.ca> parents: 16735 diff changeset	137 PyObject_HEAD_INIT(NULL)
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	138 0, /ob_size/
21313 91dd223829c6 Patch supplied by Burton Radons for his own SF bug #487390: Modifying Guido van Rossum <guido@python.org> parents: 16804 diff changeset	139 "dl.dl", /tp_name/
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	140 sizeof(dlobject), /tp_basicsize/
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	141 0, /tp_itemsize/
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	142 /* methods */
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	143 (destructor)dl_dealloc, /tp_dealloc/
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	144 0, /tp_print/
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	145 (getattrfunc)dl_getattr,/tp_getattr/
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	146 0, /tp_setattr/
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	147 0, /tp_compare/
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	148 0, /tp_repr/
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	149 0, /tp_as_number/
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	150 0, /tp_as_sequence/
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	151 0, /tp_as_mapping/
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	152 0, /tp_hash/
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	153 };
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	154
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	155 static PyObject *
13499 046799a08057 ANSI-fication Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13256 diff changeset	156 dl_open(PyObject self, PyObject args)
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	157 {
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	158 char *name;
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	159 int mode;
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	160 PyUnivPtr *handle;
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	161 if (PyArg_Parse(args, "z", &name))
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	162 mode = RTLD_LAZY;
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	163 else {
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	164 PyErr_Clear();
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	165 if (!PyArg_Parse(args, "(zi)", &name, &mode))
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	166 return NULL;
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	167 #ifndef RTLD_NOW
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	168 if (mode != RTLD_LAZY) {
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	169 PyErr_SetString(PyExc_ValueError, "mode must be 1");
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	170 return NULL;
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	171 }
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	172 #endif
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	173 }
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	174 handle = dlopen(name, mode);
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	175 if (handle == NULL) {
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	176 PyErr_SetString(Dlerror, dlerror());
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	177 return NULL;
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	178 }
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	179 return newdlobject(handle);
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	180 }
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	181
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	182 static PyMethodDef dl_methods[] = {
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	183 {"open", dl_open},
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	184 {NULL, NULL} /* sentinel */
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	185 };
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	186
14542 a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	187 /* From socketmodule.c
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	188 * Convenience routine to export an integer value.
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	189 *
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	190 * Errors are silently ignored, for better or for worse...
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	191 */
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	192 static void
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	193 insint(PyObject d, char name, int value)
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	194 {
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	195 PyObject *v = PyInt_FromLong((long) value);
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	196 if (!v \|\| PyDict_SetItemString(d, name, v))
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	197 PyErr_Clear();
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	198
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	199 Py_XDECREF(v);
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	200 }
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	201
16804 8156879fe60d Patch #404680: disables the nis module and enables the dl module when Andrew M. Kuchling <amk@amk.ca> parents: 16735 diff changeset	202 DL_EXPORT(void)
13651 8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)', Thomas Wouters <thomas@python.org> parents: 13499 diff changeset	203 initdl(void)
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	204 {
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	205 PyObject m, d, *x;
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	206
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	207 if (sizeof(int) != sizeof(long) \|\|
6367 2c29b8982643 Apply two changes, systematically: Guido van Rossum <guido@python.org> parents: 4725 diff changeset	208 sizeof(long) != sizeof(char *)) {
6889 c7bab73e63c6 Fix mysterious undetected error -- call to non-existant Py_Err_SetStr() Guido van Rossum <guido@python.org> parents: 6367 diff changeset	209 PyErr_SetString(PyExc_SystemError,
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	210 "module dl requires sizeof(int) == sizeof(long) == sizeof(char*)");
6367 2c29b8982643 Apply two changes, systematically: Guido van Rossum <guido@python.org> parents: 4725 diff changeset	211 return;
2c29b8982643 Apply two changes, systematically: Guido van Rossum <guido@python.org> parents: 4725 diff changeset	212 }
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	213
16804 8156879fe60d Patch #404680: disables the nis module and enables the dl module when Andrew M. Kuchling <amk@amk.ca> parents: 16735 diff changeset	214 /* Initialize object type */
8156879fe60d Patch #404680: disables the nis module and enables the dl module when Andrew M. Kuchling <amk@amk.ca> parents: 16735 diff changeset	215 Dltype.ob_type = &PyType_Type;
8156879fe60d Patch #404680: disables the nis module and enables the dl module when Andrew M. Kuchling <amk@amk.ca> parents: 16735 diff changeset	216
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	217 /* Create the module and add the functions */
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	218 m = Py_InitModule("dl", dl_methods);
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	219
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	220 /* Add some symbolic constants to the module */
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	221 d = PyModule_GetDict(m);
6367 2c29b8982643 Apply two changes, systematically: Guido van Rossum <guido@python.org> parents: 4725 diff changeset	222 Dlerror = x = PyErr_NewException("dl.error", NULL, NULL);
4725 8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	223 PyDict_SetItemString(d, "error", x);
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	224 x = PyInt_FromLong((long)RTLD_LAZY);
8669edb1d9c5 Renamed. Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4503 diff changeset	225 PyDict_SetItemString(d, "RTLD_LAZY", x);
14542 a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	226 #define INSINT(X) insint(d,#X,X)
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	227 #ifdef RTLD_NOW
14542 a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	228 INSINT(RTLD_NOW);
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	229 #endif
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	230 #ifdef RTLD_NOLOAD
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	231 INSINT(RTLD_NOLOAD);
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	232 #endif
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	233 #ifdef RTLD_GLOBAL
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	234 INSINT(RTLD_GLOBAL);
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	235 #endif
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	236 #ifdef RTLD_LOCAL
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	237 INSINT(RTLD_LOCAL);
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	238 #endif
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	239 #ifdef RTLD_PARENT
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	240 INSINT(RTLD_PARENT);
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	241 #endif
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	242 #ifdef RTLD_GROUP
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	243 INSINT(RTLD_GROUP);
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	244 #endif
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	245 #ifdef RTLD_WORLD
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	246 INSINT(RTLD_WORLD);
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	247 #endif
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	248 #ifdef RTLD_NODELETE
a45ca1f7f241 Add several dl.RTLD_ constants. Closes bug 110842. Martin v. Löwis <martin@v.loewis.de> parents: 14375 diff changeset	249 INSINT(RTLD_NODELETE);
1650 51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	250 #endif
51a06fdfff78 Added some new modules Guido van Rossum <guido@python.org> parents: diff changeset	251 }

Mercurial > cpython-lru_cache-weakref

annotate Modules/dlmodule.c @ 25838:8540887bcec6 2.2