Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame^] | 1 | /***************************************************************** |
| 2 | This file should be kept compatible with Python 2.3, see PEP 291. |
| 3 | *****************************************************************/ |
| 4 | |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 5 | #include "Python.h" |
| 6 | #include "compile.h" /* required only for 2.3, as it seems */ |
| 7 | #include "frameobject.h" |
| 8 | |
| 9 | #include <ffi.h> |
| 10 | #ifdef MS_WIN32 |
| 11 | #include <windows.h> |
| 12 | #endif |
| 13 | #include "ctypes.h" |
| 14 | |
| 15 | static void |
| 16 | PrintError(char *msg, ...) |
| 17 | { |
| 18 | char buf[512]; |
| 19 | PyObject *f = PySys_GetObject("stderr"); |
| 20 | va_list marker; |
| 21 | |
| 22 | va_start(marker, msg); |
| 23 | vsnprintf(buf, sizeof(buf), msg, marker); |
| 24 | va_end(marker); |
| 25 | if (f) |
| 26 | PyFile_WriteString(buf, f); |
| 27 | PyErr_Print(); |
| 28 | } |
| 29 | |
| 30 | |
| 31 | /* after code that pyrex generates */ |
| 32 | void _AddTraceback(char *funcname, char *filename, int lineno) |
| 33 | { |
| 34 | PyObject *py_srcfile = 0; |
| 35 | PyObject *py_funcname = 0; |
| 36 | PyObject *py_globals = 0; |
| 37 | PyObject *empty_tuple = 0; |
| 38 | PyObject *empty_string = 0; |
| 39 | PyCodeObject *py_code = 0; |
| 40 | PyFrameObject *py_frame = 0; |
| 41 | |
| 42 | py_srcfile = PyString_FromString(filename); |
| 43 | if (!py_srcfile) goto bad; |
| 44 | py_funcname = PyString_FromString(funcname); |
| 45 | if (!py_funcname) goto bad; |
| 46 | py_globals = PyDict_New(); |
| 47 | if (!py_globals) goto bad; |
| 48 | empty_tuple = PyTuple_New(0); |
| 49 | if (!empty_tuple) goto bad; |
| 50 | empty_string = PyString_FromString(""); |
| 51 | if (!empty_string) goto bad; |
| 52 | py_code = PyCode_New( |
| 53 | 0, /*int argcount,*/ |
| 54 | 0, /*int nlocals,*/ |
| 55 | 0, /*int stacksize,*/ |
| 56 | 0, /*int flags,*/ |
| 57 | empty_string, /*PyObject *code,*/ |
| 58 | empty_tuple, /*PyObject *consts,*/ |
| 59 | empty_tuple, /*PyObject *names,*/ |
| 60 | empty_tuple, /*PyObject *varnames,*/ |
| 61 | empty_tuple, /*PyObject *freevars,*/ |
| 62 | empty_tuple, /*PyObject *cellvars,*/ |
| 63 | py_srcfile, /*PyObject *filename,*/ |
| 64 | py_funcname, /*PyObject *name,*/ |
| 65 | lineno, /*int firstlineno,*/ |
| 66 | empty_string /*PyObject *lnotab*/ |
| 67 | ); |
| 68 | if (!py_code) goto bad; |
| 69 | py_frame = PyFrame_New( |
| 70 | PyThreadState_Get(), /*PyThreadState *tstate,*/ |
| 71 | py_code, /*PyCodeObject *code,*/ |
| 72 | py_globals, /*PyObject *globals,*/ |
| 73 | 0 /*PyObject *locals*/ |
| 74 | ); |
| 75 | if (!py_frame) goto bad; |
| 76 | py_frame->f_lineno = lineno; |
| 77 | PyTraceBack_Here(py_frame); |
| 78 | bad: |
| 79 | Py_XDECREF(py_globals); |
| 80 | Py_XDECREF(py_srcfile); |
| 81 | Py_XDECREF(py_funcname); |
| 82 | Py_XDECREF(empty_tuple); |
| 83 | Py_XDECREF(empty_string); |
| 84 | Py_XDECREF(py_code); |
| 85 | Py_XDECREF(py_frame); |
| 86 | } |
| 87 | |
| 88 | #ifdef MS_WIN32 |
| 89 | /* |
| 90 | * We must call AddRef() on non-NULL COM pointers we receive as arguments |
| 91 | * to callback functions - these functions are COM method implementations. |
| 92 | * The Python instances we create have a __del__ method which calls Release(). |
| 93 | * |
| 94 | * The presence of a class attribute named '_needs_com_addref_' triggers this |
| 95 | * behaviour. It would also be possible to call the AddRef() Python method, |
| 96 | * after checking for PyObject_IsTrue(), but this would probably be somewhat |
| 97 | * slower. |
| 98 | */ |
| 99 | static void |
| 100 | TryAddRef(StgDictObject *dict, CDataObject *obj) |
| 101 | { |
| 102 | IUnknown *punk; |
| 103 | |
| 104 | if (NULL == PyDict_GetItemString((PyObject *)dict, "_needs_com_addref_")) |
| 105 | return; |
| 106 | |
| 107 | punk = *(IUnknown **)obj->b_ptr; |
| 108 | if (punk) |
| 109 | punk->lpVtbl->AddRef(punk); |
| 110 | return; |
| 111 | } |
| 112 | #endif |
| 113 | |
| 114 | /****************************************************************************** |
| 115 | * |
| 116 | * Call the python object with all arguments |
| 117 | * |
| 118 | */ |
| 119 | static void _CallPythonObject(void *mem, |
| 120 | ffi_type *restype, |
| 121 | SETFUNC setfunc, |
| 122 | PyObject *callable, |
| 123 | PyObject *converters, |
| 124 | void **pArgs) |
| 125 | { |
| 126 | int i; |
| 127 | PyObject *result; |
| 128 | PyObject *arglist = NULL; |
| 129 | int nArgs; |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame^] | 130 | #ifdef WITH_THREAD |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 131 | PyGILState_STATE state = PyGILState_Ensure(); |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame^] | 132 | #endif |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 133 | |
| 134 | nArgs = PySequence_Length(converters); |
| 135 | /* Hm. What to return in case of error? |
| 136 | For COM, 0xFFFFFFFF seems better than 0. |
| 137 | */ |
| 138 | if (nArgs < 0) { |
| 139 | PrintError("BUG: PySequence_Length"); |
| 140 | goto Done; |
| 141 | } |
| 142 | |
| 143 | arglist = PyTuple_New(nArgs); |
| 144 | if (!arglist) { |
| 145 | PrintError("PyTuple_New()"); |
| 146 | goto Done; |
| 147 | } |
| 148 | for (i = 0; i < nArgs; ++i) { |
| 149 | /* Note: new reference! */ |
| 150 | PyObject *cnv = PySequence_GetItem(converters, i); |
| 151 | StgDictObject *dict; |
| 152 | if (cnv) |
| 153 | dict = PyType_stgdict(cnv); |
| 154 | else { |
| 155 | PrintError("Getting argument converter %d\n", i); |
| 156 | goto Done; |
| 157 | } |
| 158 | |
| 159 | if (dict && dict->getfunc && !IsSimpleSubType(cnv)) { |
| 160 | PyObject *v = dict->getfunc(*pArgs, dict->size); |
| 161 | if (!v) { |
| 162 | PrintError("create argument %d:\n", i); |
| 163 | Py_DECREF(cnv); |
| 164 | goto Done; |
| 165 | } |
| 166 | PyTuple_SET_ITEM(arglist, i, v); |
| 167 | /* XXX XXX XX |
| 168 | We have the problem that c_byte or c_short have dict->size of |
| 169 | 1 resp. 4, but these parameters are pushed as sizeof(int) bytes. |
| 170 | BTW, the same problem occurrs when they are pushed as parameters |
| 171 | */ |
| 172 | } else if (dict) { |
| 173 | /* Hm, shouldn't we use CData_AtAddress() or something like that instead? */ |
| 174 | CDataObject *obj = (CDataObject *)PyObject_CallFunctionObjArgs(cnv, NULL); |
| 175 | if (!obj) { |
| 176 | PrintError("create argument %d:\n", i); |
| 177 | Py_DECREF(cnv); |
| 178 | goto Done; |
| 179 | } |
| 180 | if (!CDataObject_Check(obj)) { |
| 181 | Py_DECREF(obj); |
| 182 | Py_DECREF(cnv); |
| 183 | PrintError("unexpected result of create argument %d:\n", i); |
| 184 | goto Done; |
| 185 | } |
| 186 | memcpy(obj->b_ptr, *pArgs, dict->size); |
| 187 | PyTuple_SET_ITEM(arglist, i, (PyObject *)obj); |
| 188 | #ifdef MS_WIN32 |
| 189 | TryAddRef(dict, obj); |
| 190 | #endif |
| 191 | } else { |
| 192 | PyErr_SetString(PyExc_TypeError, |
| 193 | "cannot build parameter"); |
| 194 | PrintError("Parsing argument %d\n", i); |
| 195 | Py_DECREF(cnv); |
| 196 | goto Done; |
| 197 | } |
| 198 | Py_DECREF(cnv); |
| 199 | /* XXX error handling! */ |
| 200 | pArgs++; |
| 201 | } |
| 202 | |
| 203 | #define CHECK(what, x) \ |
| 204 | if (x == NULL) _AddTraceback(what, __FILE__, __LINE__ - 1), PyErr_Print() |
| 205 | |
| 206 | result = PyObject_CallObject(callable, arglist); |
| 207 | CHECK("'calling callback function'", result); |
Thomas Wouters | 73e5a5b | 2006-06-08 15:35:45 +0000 | [diff] [blame] | 208 | if ((restype != &ffi_type_void) && result && result != Py_None) { |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 209 | PyObject *keep; |
| 210 | assert(setfunc); |
Thomas Wouters | 73e5a5b | 2006-06-08 15:35:45 +0000 | [diff] [blame] | 211 | #ifdef WORDS_BIGENDIAN |
| 212 | /* See the corresponding code in callproc.c, around line 961 */ |
| 213 | if (restype->type != FFI_TYPE_FLOAT && restype->size < sizeof(ffi_arg)) |
| 214 | mem = (char *)mem + sizeof(ffi_arg) - restype->size; |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 215 | #endif |
Thomas Wouters | 73e5a5b | 2006-06-08 15:35:45 +0000 | [diff] [blame] | 216 | keep = setfunc(mem, result, 0); |
| 217 | CHECK("'converting callback result'", keep); |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 218 | /* keep is an object we have to keep alive so that the result |
| 219 | stays valid. If there is no such object, the setfunc will |
| 220 | have returned Py_None. |
| 221 | |
| 222 | If there is such an object, we have no choice than to keep |
| 223 | it alive forever - but a refcount and/or memory leak will |
| 224 | be the result. EXCEPT when restype is py_object - Python |
| 225 | itself knows how to manage the refcount of these objects. |
| 226 | */ |
| 227 | if (keep == NULL) /* Could not convert callback result. */ |
| 228 | PyErr_WriteUnraisable(Py_None); |
| 229 | else if (keep == Py_None) /* Nothing to keep */ |
| 230 | Py_DECREF(keep); |
| 231 | else if (setfunc != getentry("O")->setfunc) { |
| 232 | if (-1 == PyErr_Warn(PyExc_RuntimeWarning, |
| 233 | "memory leak in callback function.")) |
| 234 | PyErr_WriteUnraisable(Py_None); |
| 235 | } |
| 236 | } |
| 237 | Py_XDECREF(result); |
| 238 | Done: |
| 239 | Py_XDECREF(arglist); |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame^] | 240 | #ifdef WITH_THREAD |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 241 | PyGILState_Release(state); |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame^] | 242 | #endif |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 243 | } |
| 244 | |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 245 | static void closure_fcn(ffi_cif *cif, |
| 246 | void *resp, |
| 247 | void **args, |
| 248 | void *userdata) |
| 249 | { |
| 250 | ffi_info *p = userdata; |
| 251 | |
| 252 | _CallPythonObject(resp, |
| 253 | p->restype, |
| 254 | p->setfunc, |
| 255 | p->callable, |
| 256 | p->converters, |
| 257 | args); |
| 258 | } |
| 259 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 260 | ffi_info *AllocFunctionCallback(PyObject *callable, |
| 261 | PyObject *converters, |
| 262 | PyObject *restype, |
| 263 | int is_cdecl) |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 264 | { |
| 265 | int result; |
| 266 | ffi_info *p; |
| 267 | int nArgs, i; |
| 268 | ffi_abi cc; |
| 269 | |
| 270 | nArgs = PySequence_Size(converters); |
| 271 | p = (ffi_info *)PyMem_Malloc(sizeof(ffi_info) + sizeof(ffi_type) * (nArgs + 1)); |
| 272 | if (p == NULL) { |
| 273 | PyErr_NoMemory(); |
| 274 | return NULL; |
| 275 | } |
| 276 | p->pcl = MallocClosure(); |
| 277 | if (p->pcl == NULL) { |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 278 | PyErr_NoMemory(); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 279 | goto error; |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 280 | } |
| 281 | |
| 282 | for (i = 0; i < nArgs; ++i) { |
| 283 | PyObject *cnv = PySequence_GetItem(converters, i); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 284 | if (cnv == NULL) |
| 285 | goto error; |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 286 | p->atypes[i] = GetType(cnv); |
| 287 | Py_DECREF(cnv); |
| 288 | } |
| 289 | p->atypes[i] = NULL; |
| 290 | |
| 291 | if (restype == Py_None) { |
| 292 | p->setfunc = NULL; |
| 293 | p->restype = &ffi_type_void; |
| 294 | } else { |
| 295 | StgDictObject *dict = PyType_stgdict(restype); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 296 | if (dict == NULL) |
| 297 | goto error; |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 298 | p->setfunc = dict->setfunc; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 299 | p->restype = &dict->ffi_type_pointer; |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 300 | } |
| 301 | |
| 302 | cc = FFI_DEFAULT_ABI; |
| 303 | #if defined(MS_WIN32) && !defined(_WIN32_WCE) |
| 304 | if (is_cdecl == 0) |
| 305 | cc = FFI_STDCALL; |
| 306 | #endif |
| 307 | result = ffi_prep_cif(&p->cif, cc, nArgs, |
| 308 | GetType(restype), |
| 309 | &p->atypes[0]); |
| 310 | if (result != FFI_OK) { |
| 311 | PyErr_Format(PyExc_RuntimeError, |
| 312 | "ffi_prep_cif failed with %d", result); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 313 | goto error; |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 314 | } |
| 315 | result = ffi_prep_closure(p->pcl, &p->cif, closure_fcn, p); |
| 316 | if (result != FFI_OK) { |
| 317 | PyErr_Format(PyExc_RuntimeError, |
| 318 | "ffi_prep_closure failed with %d", result); |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 319 | goto error; |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 320 | } |
| 321 | |
| 322 | p->converters = converters; |
| 323 | p->callable = callable; |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 324 | return p; |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 325 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 326 | error: |
| 327 | if (p) { |
| 328 | if (p->pcl) |
| 329 | FreeClosure(p->pcl); |
| 330 | PyMem_Free(p); |
| 331 | } |
| 332 | return NULL; |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 333 | } |
| 334 | |
| 335 | /**************************************************************************** |
| 336 | * |
| 337 | * callback objects: initialization |
| 338 | */ |
| 339 | |
| 340 | void init_callbacks_in_module(PyObject *m) |
| 341 | { |
| 342 | if (PyType_Ready((PyTypeObject *)&PyType_Type) < 0) |
| 343 | return; |
| 344 | } |
| 345 | |
| 346 | #ifdef MS_WIN32 |
| 347 | |
| 348 | static void LoadPython(void) |
| 349 | { |
| 350 | if (!Py_IsInitialized()) { |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame^] | 351 | #ifdef WITH_THREAD |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 352 | PyEval_InitThreads(); |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame^] | 353 | #endif |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 354 | Py_Initialize(); |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | /******************************************************************/ |
| 359 | |
| 360 | long Call_GetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv) |
| 361 | { |
| 362 | PyObject *mod, *func, *result; |
| 363 | long retval; |
| 364 | static PyObject *context; |
| 365 | |
| 366 | if (context == NULL) |
| 367 | context = PyString_FromString("_ctypes.DllGetClassObject"); |
| 368 | |
| 369 | mod = PyImport_ImportModule("ctypes"); |
| 370 | if (!mod) { |
| 371 | PyErr_WriteUnraisable(context ? context : Py_None); |
| 372 | /* There has been a warning before about this already */ |
| 373 | return E_FAIL; |
| 374 | } |
| 375 | |
| 376 | func = PyObject_GetAttrString(mod, "DllGetClassObject"); |
| 377 | Py_DECREF(mod); |
| 378 | if (!func) { |
| 379 | PyErr_WriteUnraisable(context ? context : Py_None); |
| 380 | return E_FAIL; |
| 381 | } |
| 382 | |
| 383 | result = PyObject_CallFunction(func, |
| 384 | "iii", rclsid, riid, ppv); |
| 385 | Py_DECREF(func); |
| 386 | if (!result) { |
| 387 | PyErr_WriteUnraisable(context ? context : Py_None); |
| 388 | return E_FAIL; |
| 389 | } |
| 390 | |
| 391 | retval = PyInt_AsLong(result); |
| 392 | if (PyErr_Occurred()) { |
| 393 | PyErr_WriteUnraisable(context ? context : Py_None); |
| 394 | retval = E_FAIL; |
| 395 | } |
| 396 | Py_DECREF(result); |
| 397 | return retval; |
| 398 | } |
| 399 | |
| 400 | STDAPI DllGetClassObject(REFCLSID rclsid, |
| 401 | REFIID riid, |
| 402 | LPVOID *ppv) |
| 403 | { |
| 404 | long result; |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame^] | 405 | #ifdef WITH_THREAD |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 406 | PyGILState_STATE state; |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame^] | 407 | #endif |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 408 | |
| 409 | LoadPython(); |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame^] | 410 | #ifdef WITH_THREAD |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 411 | state = PyGILState_Ensure(); |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame^] | 412 | #endif |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 413 | result = Call_GetClassObject(rclsid, riid, ppv); |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame^] | 414 | #ifdef WITH_THREAD |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 415 | PyGILState_Release(state); |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame^] | 416 | #endif |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 417 | return result; |
| 418 | } |
| 419 | |
| 420 | long Call_CanUnloadNow(void) |
| 421 | { |
| 422 | PyObject *mod, *func, *result; |
| 423 | long retval; |
| 424 | static PyObject *context; |
| 425 | |
| 426 | if (context == NULL) |
| 427 | context = PyString_FromString("_ctypes.DllCanUnloadNow"); |
| 428 | |
| 429 | mod = PyImport_ImportModule("ctypes"); |
| 430 | if (!mod) { |
| 431 | /* OutputDebugString("Could not import ctypes"); */ |
| 432 | /* We assume that this error can only occur when shutting |
| 433 | down, so we silently ignore it */ |
| 434 | PyErr_Clear(); |
| 435 | return E_FAIL; |
| 436 | } |
| 437 | /* Other errors cannot be raised, but are printed to stderr */ |
| 438 | func = PyObject_GetAttrString(mod, "DllCanUnloadNow"); |
| 439 | Py_DECREF(mod); |
| 440 | if (!func) { |
| 441 | PyErr_WriteUnraisable(context ? context : Py_None); |
| 442 | return E_FAIL; |
| 443 | } |
| 444 | |
| 445 | result = PyObject_CallFunction(func, NULL); |
| 446 | Py_DECREF(func); |
| 447 | if (!result) { |
| 448 | PyErr_WriteUnraisable(context ? context : Py_None); |
| 449 | return E_FAIL; |
| 450 | } |
| 451 | |
| 452 | retval = PyInt_AsLong(result); |
| 453 | if (PyErr_Occurred()) { |
| 454 | PyErr_WriteUnraisable(context ? context : Py_None); |
| 455 | retval = E_FAIL; |
| 456 | } |
| 457 | Py_DECREF(result); |
| 458 | return retval; |
| 459 | } |
| 460 | |
| 461 | /* |
| 462 | DllRegisterServer and DllUnregisterServer still missing |
| 463 | */ |
| 464 | |
| 465 | STDAPI DllCanUnloadNow(void) |
| 466 | { |
| 467 | long result; |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame^] | 468 | #ifdef WITH_THREAD |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 469 | PyGILState_STATE state = PyGILState_Ensure(); |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame^] | 470 | #endif |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 471 | result = Call_CanUnloadNow(); |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame^] | 472 | #ifdef WITH_THREAD |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 473 | PyGILState_Release(state); |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame^] | 474 | #endif |
Thomas Heller | d4c9320 | 2006-03-08 19:35:11 +0000 | [diff] [blame] | 475 | return result; |
| 476 | } |
| 477 | |
| 478 | #ifndef Py_NO_ENABLE_SHARED |
| 479 | BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvRes) |
| 480 | { |
| 481 | switch(fdwReason) { |
| 482 | case DLL_PROCESS_ATTACH: |
| 483 | DisableThreadLibraryCalls(hinstDLL); |
| 484 | break; |
| 485 | } |
| 486 | return TRUE; |
| 487 | } |
| 488 | #endif |
| 489 | |
| 490 | #endif |
| 491 | |
| 492 | /* |
| 493 | Local Variables: |
| 494 | compile-command: "cd .. && python setup.py -q build_ext" |
| 495 | End: |
| 496 | */ |