process_waiter.py 文件源码

def processEnded(self, processHandle, processHandleKey):
        wfmoThread = self.phandleKeyToThreadHandle[processHandleKey]
        processTransport = self.phandleToTransport[processHandle]
        self.threadToNumEnded[wfmoThread] += 1
        # Decrement proc handle count for thread
        self.threadToNumProcessHandles[wfmoThread] -= 1
        # If we go from 63 to 62 phandles for the thread, mark it available.
        if self.threadToNumProcessHandles[wfmoThread] == 62:
            self.availableThreads.append(wfmoThread)
            self.usedThreads.remove(wfmoThread)
        # If we go to 0 phandles, end the thread
        elif self.threadToNumProcessHandles[wfmoThread] == 0:
            # Mark thread as unavailable
            self.availableThreads.remove(wfmoThread)
            # Notify the thread that it should exit.
            if not self.threadToMsgWindowCreated[wfmoThread]:
                val = WaitForSingleObject(self.threadToMsgWindowCreationEvent[wfmoThread], INFINITE)
                if val != WAIT_OBJECT_0:
                    raise RuntimeError("WaitForSingleObject returned %d.  It should only return %d" % (val, WAIT_OBJECT_0))
            # Notify the thread that it should wait on the process handle.
            win32api.PostMessage(
                    self.threadToMsgWindow[wfmoThread], # thread id
                    WM_CLOSE_THREAD, # message 
                    0, # wParam
                    0 # lParam
                    )

            # Cleanup thread resources
            del self.threadToNumProcessHandles[wfmoThread]
            del self.threadToMsgWindowCreated[wfmoThread]
            #del self.wfmoThread

        # Cleanup process handle resources
        del self.needWaiting[processHandleKey]
        del self.phandleToTransport[processHandle]
        # Call the transport's processEnded method
        processTransport.processEnded()