[2] | 1 |
|
---|
| 2 | /* Support for dynamic loading of extension modules */
|
---|
| 3 |
|
---|
| 4 | #include "dl.h"
|
---|
| 5 | #include <errno.h>
|
---|
| 6 |
|
---|
| 7 | #include "Python.h"
|
---|
| 8 | #include "importdl.h"
|
---|
| 9 |
|
---|
| 10 | #if defined(__hp9000s300)
|
---|
| 11 | #define FUNCNAME_PATTERN "_init%.200s"
|
---|
| 12 | #else
|
---|
| 13 | #define FUNCNAME_PATTERN "init%.200s"
|
---|
| 14 | #endif
|
---|
| 15 |
|
---|
| 16 | const struct filedescr _PyImport_DynLoadFiletab[] = {
|
---|
[391] | 17 | {SHLIB_EXT, "rb", C_EXTENSION},
|
---|
| 18 | {"module"SHLIB_EXT, "rb", C_EXTENSION},
|
---|
| 19 | {0, 0}
|
---|
[2] | 20 | };
|
---|
| 21 |
|
---|
| 22 | dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
|
---|
[391] | 23 | const char *pathname, FILE *fp)
|
---|
[2] | 24 | {
|
---|
[391] | 25 | dl_funcptr p;
|
---|
| 26 | shl_t lib;
|
---|
| 27 | int flags;
|
---|
| 28 | char funcname[258];
|
---|
[2] | 29 |
|
---|
[391] | 30 | flags = BIND_FIRST | BIND_DEFERRED;
|
---|
| 31 | if (Py_VerboseFlag) {
|
---|
| 32 | flags = BIND_FIRST | BIND_IMMEDIATE |
|
---|
| 33 | BIND_NONFATAL | BIND_VERBOSE;
|
---|
| 34 | printf("shl_load %s\n",pathname);
|
---|
| 35 | }
|
---|
| 36 | lib = shl_load(pathname, flags, 0);
|
---|
| 37 | /* XXX Chuck Blake once wrote that 0 should be BIND_NOSTART? */
|
---|
| 38 | if (lib == NULL) {
|
---|
| 39 | char buf[256];
|
---|
| 40 | if (Py_VerboseFlag)
|
---|
| 41 | perror(pathname);
|
---|
| 42 | PyOS_snprintf(buf, sizeof(buf), "Failed to load %.200s",
|
---|
| 43 | pathname);
|
---|
| 44 | PyErr_SetString(PyExc_ImportError, buf);
|
---|
| 45 | return NULL;
|
---|
| 46 | }
|
---|
| 47 | PyOS_snprintf(funcname, sizeof(funcname), FUNCNAME_PATTERN, shortname);
|
---|
| 48 | if (Py_VerboseFlag)
|
---|
| 49 | printf("shl_findsym %s\n", funcname);
|
---|
| 50 | if (shl_findsym(&lib, funcname, TYPE_UNDEFINED, (void *) &p) == -1) {
|
---|
| 51 | shl_unload(lib);
|
---|
| 52 | p = NULL;
|
---|
| 53 | }
|
---|
| 54 | if (p == NULL && Py_VerboseFlag)
|
---|
| 55 | perror(funcname);
|
---|
[2] | 56 |
|
---|
[391] | 57 | return p;
|
---|
[2] | 58 | }
|
---|