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Make sure we properly restart the backend when it quits on itself

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This prevents issues where the backend would not properly restart
This commit is contained in:
Arjen Hiemstra 2016-02-08 13:50:30 +01:00
parent e8ada1fd06
commit 69d8160207
1 changed files with 8 additions and 0 deletions
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8
plugins/CuraEngineBackend/CuraEngineBackend.py
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@ -76,6 +76,8 @@ class CuraEngineBackend(Backend):
self._message = None self._message = None
self.backendQuit.connect(self._onBackendQuit)
self.backendConnected.connect(self._onBackendConnected) self.backendConnected.connect(self._onBackendConnected)
Application.getInstance().getController().toolOperationStarted.connect(self._onToolOperationStarted) Application.getInstance().getController().toolOperationStarted.connect(self._onToolOperationStarted)
Application.getInstance().getController().toolOperationStopped.connect(self._onToolOperationStopped) Application.getInstance().getController().toolOperationStopped.connect(self._onToolOperationStopped)
@ -151,6 +153,7 @@ class CuraEngineBackend(Backend):
Logger.log("d", "Killing engine process") Logger.log("d", "Killing engine process")
try: try:
self._process.terminate() self._process.terminate()
self._process = None
except: # terminating a process that is already terminating causes an exception, silently ignore this. except: # terminating a process that is already terminating causes an exception, silently ignore this.
pass pass
@ -265,3 +268,8 @@ class CuraEngineBackend(Backend):
def _onInstanceChanged(self): def _onInstanceChanged(self):
self._terminate() self._terminate()
self.slicingCancelled.emit() self.slicingCancelled.emit()
def _onBackendQuit(self):
if not self._restart and self._process:
self._process = None
self._createSocket()