From b5beae6dd067d51a606ad9a90a02496c5ba235b4 Mon Sep 17 00:00:00 2001
From: Nick Draper <nick.draper@stfc.ac.uk>
Date: Wed, 25 Mar 2020 11:51:17 +0000
Subject: [PATCH] Checkpointing -does not work yet
---
qt/python/mantidqt/utils/asynchronous.py | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/qt/python/mantidqt/utils/asynchronous.py b/qt/python/mantidqt/utils/asynchronous.py
index de0c478de3d..6c8838f3668 100644
--- a/qt/python/mantidqt/utils/asynchronous.py
+++ b/qt/python/mantidqt/utils/asynchronous.py
@@ -147,6 +147,11 @@ class BlockingAsyncTaskWithCallback(AsyncTask):
"""Cancel an asynchronous execution"""
# Implementation is based on
# https://stackoverflow.com/questions/5019436/python-how-to-terminate-a-blocking-thread
+ from mantid.api import IAlgorithm
+ alg = IAlgorithm._algorithmInThread(ctypes.c_long(self.task.ident))
+ if alg is not None:
+ alg.cancel()
+
ctypes.pythonapi.PyThreadState_SetAsyncExc(ctypes.c_long(self.task.ident),
ctypes.py_object(KeyboardInterrupt))
time.sleep(0.1)
--
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