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Add the flag RTLD_GLOBAL to the dlopen() options.

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This exports symbols defined by the loaded extension to other
extensions (loaded later).

(I'm not quite sure about this but suppose it can't hurt...)
This commit is contained in:
Guido van Rossum 1997-12-02 20:43:18 +00:00
parent c425d2f87b
commit 08052c7bb6
1 changed files with 7 additions and 3 deletions
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10
Python/importdl.c
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@ -171,6 +171,9 @@ typedef void (*dl_funcptr)();
#ifndef RTLD_LAZY
#define RTLD_LAZY 1
#endif
#ifndef RTLD_GLOBAL
#define RTLD_GLOBAL 0
#endif
#define SHORT_EXT ".so"
#define LONG_EXT "module.so"
#endif /* USE_SHLIB */
@ -362,12 +365,13 @@ _PyImport_LoadDynamicModule(name, pathname, fp)
#ifdef RTLD_NOW
/* RTLD_NOW: resolve externals now
(i.e. core dump now if some are missing) */
void *handle = dlopen(pathname, RTLD_NOW);
void *handle = dlopen(pathname, RTLD_NOW | RTLD_GLOBAL);
#else
void *handle;
if (Py_VerboseFlag)
printf("dlopen(\"%s\", %d);\n", pathname, RTLD_LAZY);
handle = dlopen(pathname, RTLD_LAZY);
printf("dlopen(\"%s\", %d);\n", pathname,
RTLD_LAZY | RTLD_GLOBAL);
handle = dlopen(pathname, RTLD_LAZY | RTLD_GLOBAL);
#endif /* RTLD_NOW */
if (handle == NULL) {
PyErr_SetString(PyExc_ImportError, dlerror());