Merge pull request #794 from IntelPython/async_submit_host_task_tweak

Host task used by submit must ensure interpreter is not shutting down

Author: oleksandr-pavlyk

conda-recipe/run_test.sh

@@ -4,4 +4,4 @@ set -e
 
 ${PYTHON} -c "import dpctl; print(dpctl.__version__)"
 ${PYTHON} -c "import dpctl; dpctl.lsplatform()"
-${PYTHON} -m pytest -q -ra --disable-warnings --cov dpctl --cov-report term-missing --pyargs dpctl -vv
+${PYTHON} -m pytest -q -ra --disable-warnings -p no:faulthandler --cov dpctl --cov-report term-missing --pyargs dpctl -vv

dpctl/_host_task_util.hpp

@@ -56,7 +56,7 @@ int async_dec_ref(DPCTLSyclQueueRef QRef,
             }
             cgh.host_task([obj_array_size, obj_vec]() {
                 // if the main thread has not finilized the interpreter yet
-                if (Py_IsInitialized()) {
+                if (Py_IsInitialized() && !_Py_IsFinalizing()) {
                     PyGILState_STATE gstate;
                     gstate = PyGILState_Ensure();
                     for (size_t i = 0; i < obj_array_size; ++i) {