From 47752e0d240d9f2686c2a69d813ac5112bda1ad3 Mon Sep 17 00:00:00 2001
From: Jerry James <loganjerry@gmail.com>
Date: Sun, 16 Aug 2020 10:05:08 -0600
Subject: [PATCH] Hold the GIL while deleting python objects

---
 fract4d/c/fract4dc/calcs.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fract4d/c/fract4dc/calcs.cpp b/fract4d/c/fract4dc/calcs.cpp
index 2c8910eed..1509e8d99 100644
--- a/fract4d/c/fract4dc/calcs.cpp
+++ b/fract4d/c/fract4dc/calcs.cpp
@@ -94,7 +94,9 @@ void * calculation_thread(calc_args *args)
 #ifdef DEBUG_THREADS
     std::cerr << args << " : CA : ENDCALC(" << std::this_thread::get_id() << ")\n";
 #endif
+    PyGILState_STATE gstate = PyGILState_Ensure();
     delete args;
+    PyGILState_Release(gstate);
     return NULL;
 }