vladexl <vlad...@yandex.ru> added the comment:
Sorry i can't provide simple example, but will describe steps. And also i found
reason of such behavior.
It was a function from pythonwin: PyWinObject_FromHANDLE. When i removed it
from code - issue gone.
So, in order to start 2 python scripts simultaneously:
1. 2 interpreters was created (Py_NewInterpreter)
2. 2 windows threads started and 2 python scripts inside
(PyRun_AnyFileExFlags(hFile, filePath, true, nullptr);
3. Python scripts like this: (i started additional thread inside python
script, it's necessary)
@entry
def main():
import time
i = 100
while i < 103 :
print("iter {0} ".format(i))
time.sleep(1)
i = i +1
def entry(function):
def entry_decorator():
import threading
thread = threading.Thread(target=_threadmain, args=(function,))
thread.start()
return entry_decorator
def _threadmain(function):
# call entry point from primary script
function()
myevent = __mymodule.GetStopEvent()
while True:
rc = win32event.MsgWaitForMultipleObjects((myevent,), 1, 1000,
win32event.QS_ALLINPUT);
if rc == win32event.WAIT_OBJECT_0:
break
pythoncom.PumpWaitingMessages()
pythoncom.CoUninitialize()
4. GetStopEvent like this:
PyObject* GetStopEvent(PyObject *self, PyObject *args)
{
HANDLE hEvent = CreateEvent(...);
return PyWinObject_FromHANDLE(hEvent);
}
5. Exception appears after starting/stopping(firing event) 3..4 times. It works
fine in case of single starting.
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<https://bugs.python.org/issue45879>
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