dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname, const char *pathname, FILE *fp) { dl_funcptr p; void *handle; char funcname[258]; char pathbuf[260]; int dlopenflags=0; if (pathname && strchr(pathname, '/') == NULL) { /* Prefix bare filename with "./" */ PyOS_snprintf(pathbuf, sizeof(pathbuf), "./%-.255s", pathname); pathname = pathbuf; } PyOS_snprintf(funcname, sizeof(funcname), LEAD_UNDERSCORE "init%.200s", shortname); if (fp != NULL) { int i; struct stat statb; fstat(fileno(fp), &statb); for (i = 0; i < nhandles; i++) { if (statb.st_dev == handles[i].dev && statb.st_ino == handles[i].ino) { p = (dl_funcptr) dlsym(handles[i].handle, funcname); return p; } } if (nhandles < 128) { handles[nhandles].dev = statb.st_dev; #ifdef __VMS handles[nhandles].ino[0] = statb.st_ino[0]; handles[nhandles].ino[1] = statb.st_ino[1]; handles[nhandles].ino[2] = statb.st_ino[2]; #else handles[nhandles].ino = statb.st_ino; #endif } } #if !(defined(PYOS_OS2) && defined(PYCC_GCC)) dlopenflags = JyNI_GetDLOpenFlags(); #endif if (Py_VerboseFlag) PySys_WriteStderr("dlopen(\"%s\", %x);\n", pathname ? pathname : "NULL", dlopenflags); #ifdef __VMS /* VMS currently don't allow a pathname, use a logical name instead */ /* Concatenate 'python_module_' and shortname */ /* so "import vms.bar" will use the logical python_module_bar */ /* As C module use only one name space this is probably not a */ /* important limitation */ PyOS_snprintf(pathbuf, sizeof(pathbuf), "python_module_%-.200s", shortname); pathname = pathbuf; #endif handle = dlopen(pathname, dlopenflags); if (handle == NULL) { const char *error = dlerror(); if (error == NULL) error = "unknown dlopen() error"; PyErr_SetString(PyExc_ImportError, error); return NULL; } if (fp != NULL && nhandles < 128) handles[nhandles++].handle = handle; p = (dl_funcptr) dlsym(handle, funcname); return p; }
dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname, const char *pathname, FILE *fp) { // puts("_PyImport_GetDynLoadFunc"); dl_funcptr p; void *handle; char funcname[258]; char pathbuf[260]; int dlopenflags=0; if (strchr(pathname, '/') == NULL) { /* Prefix bare filename with "./" */ PyOS_snprintf(pathbuf, sizeof(pathbuf), "./%-.255s", pathname); pathname = pathbuf; } PyOS_snprintf(funcname, sizeof(funcname), LEAD_UNDERSCORE "init%.200s", shortname); if (fp != NULL) { int i; struct stat statb; int fno = fileno(fp); fstat(fno, &statb); for (i = 0; i < nhandles; i++) { if (statb.st_dev == handles[i].dev && statb.st_ino == handles[i].ino) { p = (dl_funcptr) dlsym(handles[i].handle, funcname); return p; } } if (nhandles < 128) { handles[nhandles].dev = statb.st_dev; #ifdef __VMS handles[nhandles].ino[0] = statb.st_ino[0]; handles[nhandles].ino[1] = statb.st_ino[1]; handles[nhandles].ino[2] = statb.st_ino[2]; #else handles[nhandles].ino = statb.st_ino; #endif } } #if !(defined(PYOS_OS2) && defined(PYCC_GCC)) //dlopenflags = PyThreadState_GET()->interp->dlopenflags; dlopenflags = JyNI_GetDLOpenFlags(); //puts("dlopenflags obtained:"); //printf("%i\n", (int) dlopenflags); #endif //if (Py_VerboseFlag) // JNIEnv *env; // if ((*java)->GetEnv(java, (void **)&env, JNI_VERSION_1_2)) { // return NULL; // JNI version not supported // } env(NULL); //JyNI todo: fix verbose mode; it currently segfaults if active //if ((*env)->CallStaticIntMethod(env, JyNIClass, JyNIGetDLVerbose)) // { // PySys_WriteStderr("dlopen(\"%s\", %x);\n", pathname, dlopenflags); // } //printf("dlopen(\"%s\", %x);\n", pathname, dlopenflags); #ifdef __VMS /* VMS currently don't allow a pathname, use a logical name instead */ /* Concatenate 'python_module_' and shortname */ /* so "import vms.bar" will use the logical python_module_bar */ /* As C module use only one name space this is probably not a */ /* important limitation */ PyOS_snprintf(pathbuf, sizeof(pathbuf), "python_module_%-.200s", shortname); pathname = pathbuf; #endif handle = dlopen(pathname, dlopenflags); if (handle == NULL) { const char *error = dlerror(); if (error == NULL) error = "unknown dlopen() error"; //todo: Check, why error is not correctly propagated on the designated way. //Until that is done, we print it out plainly with puts. puts("dlopen-error:"); puts(error); //puts(pathname); PyErr_SetString(PyExc_ImportError, error); JyNI_JyErr_SetString((*env)->GetStaticObjectField(env, pyPyClass, pyPyImportError), error); return NULL; } if (fp != NULL && nhandles < 128) handles[nhandles++].handle = handle; p = (dl_funcptr) dlsym(handle, funcname); return p; }