Run the slicer at lower priority on windows.

diff --git a/Cura/util/sliceEngine.py b/Cura/util/sliceEngine.py
index e26b5cce43dd3bc7156fe00bdd3f218d4701ccd8..1bb26364d18b9629cdb3712e352a2f84d9327ce2 100644 (file)
--- a/Cura/util/sliceEngine.py
+++ b/Cura/util/sliceEngine.py
@@ -118,4 +118,5 @@ class Slicer(object):
                        su.dwFlags |= subprocess.STARTF_USESHOWWINDOW
                        su.wShowWindow = subprocess.SW_HIDE
                        kwargs['startupinfo'] = su
+                       kwargs['creationflags'] = 0x00004000 #BELOW_NORMAL_PRIORITY_CLASS
                return subprocess.Popen(cmdList, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, **kwargs)