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eliminate unnecessary Python reloading which causes memory leaks

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This commit is contained in:
Christian McDonald 2023-01-13 16:39:28 -05:00
parent 90d42148de
commit cfd3bcb21e
1 changed files with 14 additions and 5 deletions
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19
pythonmod/pythonmod.c
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@ -252,6 +252,16 @@ cleanup:
Py_XDECREF(exc_tb);
}
/* we only want to unwind Python once at exit */
void pythonmod_atexit(void)
{
assert(py_mod_count == 0);
assert(maimthr != NULL);
PyEval_RestoreThread(mainthr);
Py_Finalize();
}
int pythonmod_init(struct module_env* env, int id)
{
int py_mod_idx = py_mod_count++;
@ -310,6 +320,9 @@ int pythonmod_init(struct module_env* env, int id)
#endif
SWIG_init();
mainthr = PyEval_SaveThread();
/* XXX: register callback to unwind Python at exit */
atexit(pythonmod_atexit);
}
gil = PyGILState_Ensure();
@ -547,11 +560,7 @@ void pythonmod_deinit(struct module_env* env, int id)
Py_XDECREF(pe->data);
PyGILState_Release(gil);
if(--py_mod_count==0) {
PyEval_RestoreThread(mainthr);
Py_Finalize();
mainthr = NULL;
}
py_mod_count--;
}
pe->fname = NULL;
free(pe);