| 1 | n/a | |
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| 2 | n/a | /* Support for dynamic loading of extension modules */ |
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| 3 | n/a | |
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| 4 | n/a | #include "dl.h" |
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| 5 | n/a | #include <errno.h> |
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| 6 | n/a | |
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| 7 | n/a | #include "Python.h" |
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| 8 | n/a | #include "importdl.h" |
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| 9 | n/a | |
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| 10 | n/a | #if defined(__hp9000s300) |
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| 11 | n/a | #define FUNCNAME_PATTERN "_%.20s_%.200s" |
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| 12 | n/a | #else |
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| 13 | n/a | #define FUNCNAME_PATTERN "%.20s_%.200s" |
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| 14 | n/a | #endif |
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| 15 | n/a | |
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| 16 | n/a | const char *_PyImport_DynLoadFiletab[] = {SHLIB_EXT, NULL}; |
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| 17 | n/a | |
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| 18 | n/a | dl_funcptr _PyImport_FindSharedFuncptr(const char *prefix, |
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| 19 | n/a | const char *shortname, |
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| 20 | n/a | const char *pathname, FILE *fp) |
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| 21 | n/a | { |
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| 22 | n/a | dl_funcptr p; |
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| 23 | n/a | shl_t lib; |
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| 24 | n/a | int flags; |
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| 25 | n/a | char funcname[258]; |
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| 26 | n/a | |
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| 27 | n/a | flags = BIND_FIRST | BIND_DEFERRED; |
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| 28 | n/a | if (Py_VerboseFlag) { |
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| 29 | n/a | flags = BIND_FIRST | BIND_IMMEDIATE | |
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| 30 | n/a | BIND_NONFATAL | BIND_VERBOSE; |
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| 31 | n/a | printf("shl_load %s\n",pathname); |
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| 32 | n/a | } |
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| 33 | n/a | lib = shl_load(pathname, flags, 0); |
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| 34 | n/a | /* XXX Chuck Blake once wrote that 0 should be BIND_NOSTART? */ |
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| 35 | n/a | if (lib == NULL) { |
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| 36 | n/a | char buf[256]; |
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| 37 | n/a | PyObject *pathname_ob = NULL; |
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| 38 | n/a | PyObject *buf_ob = NULL; |
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| 39 | n/a | PyObject *shortname_ob = NULL; |
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| 40 | n/a | |
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| 41 | n/a | if (Py_VerboseFlag) |
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| 42 | n/a | perror(pathname); |
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| 43 | n/a | PyOS_snprintf(buf, sizeof(buf), "Failed to load %.200s", |
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| 44 | n/a | pathname); |
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| 45 | n/a | buf_ob = PyUnicode_FromString(buf); |
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| 46 | n/a | shortname_ob = PyUnicode_FromString(shortname); |
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| 47 | n/a | pathname_ob = PyUnicode_FromString(pathname); |
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| 48 | n/a | PyErr_SetImportError(buf_ob, shortname_ob, pathname_ob); |
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| 49 | n/a | Py_DECREF(buf_ob); |
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| 50 | n/a | Py_DECREF(shortname_ob); |
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| 51 | n/a | Py_DECREF(pathname_ob); |
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| 52 | n/a | return NULL; |
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| 53 | n/a | } |
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| 54 | n/a | PyOS_snprintf(funcname, sizeof(funcname), FUNCNAME_PATTERN, |
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| 55 | n/a | prefix, shortname); |
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| 56 | n/a | if (Py_VerboseFlag) |
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| 57 | n/a | printf("shl_findsym %s\n", funcname); |
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| 58 | n/a | if (shl_findsym(&lib, funcname, TYPE_UNDEFINED, (void *) &p) == -1) { |
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| 59 | n/a | shl_unload(lib); |
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| 60 | n/a | p = NULL; |
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| 61 | n/a | } |
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| 62 | n/a | if (p == NULL && Py_VerboseFlag) |
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| 63 | n/a | perror(funcname); |
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| 64 | n/a | |
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| 65 | n/a | return p; |
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| 66 | n/a | } |
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