From: Sven Trenkel <collectd@semidefinite.de>
Date: Mon, 15 Aug 2016 18:51:25 +0000 (+0000)
Subject: python plugin: Grab GIL before freeing callbacks. If their refcount reaches 0 Python... 
X-Git-Tag: collectd-5.6.0~12^2~2
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=240b01025dcf6b38ccf451fbd95b3c6698853268;p=collectd.git

python plugin: Grab GIL before freeing callbacks. If their refcount reaches 0 Python code will be executed.
---

diff --git a/src/python.c b/src/python.c
index 05a44aa8..a682f312 100644
--- a/src/python.c
+++ b/src/python.c
@@ -239,8 +239,10 @@ static cpy_callback_t *cpy_shutdown_callbacks;
 static void cpy_destroy_user_data(void *data) {
 	cpy_callback_t *c = data;
 	free(c->name);
+	CPY_LOCK_THREADS
 	Py_DECREF(c->callback);
 	Py_XDECREF(c->data);
+	CPY_RELEASE_THREADS
 	free(c);
 }