Zdenek Mejzlik wrote:
> Hi.
>
> This post is similar to one sent by Tom Dalton 12 June 2007.
> Unfortunately, appropriate solution of his problem was not published yet.
>
> I'm trying to create a simple windows service. I found code of simple
> service on the Internet. Service works well as long as I'm logged in.
> But as soon as I log out the service is interrupted and windows event
> log contains the following message:
>
> The instance's SvcRun() method failed
> File "C:\Python25\Lib\site-packages\win32\lib\win32serviceutil.py", line
> 785, in SvcRun
> self.SvcDoRun()
> File "C:\altworx_repository\wwwroot\cgi-bin\pokus\aservice.py", line 20,
> in SvcDoRun
> time.sleep(10)
> <type 'exceptions.IOError'>: (4, 'Interrupted function call')
>
> Service is running on Windows XP Prof with Python 2.5. Code of the
> service is bellow. Has anyone any idea what's wrong? Thank you for any
> little help.
>
> import win32service
> import win32serviceutil
> import time
> import win32api
> import win32con
>
> class aservice(win32serviceutil.ServiceFramework):
> _svc_name_ = "aservice"
> _svc_display_name_ = "aservice - It Does nothing"
>
> def __init__(self,args):
> win32serviceutil.ServiceFramework.__init__(self,args)
> self.isAlive = True
>
> def SvcDoRun(self):
> import servicemanager
>
> while self.isAlive:
> servicemanager.LogInfoMsg("aservice - is alive and well")
> time.sleep(10)
> servicemanager.LogInfoMsg("aservice - Stopped")
>
> def SvcStop(self):
> import servicemanager
>
> servicemanager.LogInfoMsg("aservice - Recieved stop signal")
> self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING)
> self.isAlive = False
>
> def ctrlHandler(ctrlType):
> return True
>
> if __name__ == '__main__':
> win32api.SetConsoleCtrlHandler(ctrlHandler, True)
> win32serviceutil.HandleCommandLine(aservice)
>
>
> This code is slightly modified. The original code is on
> http://essiene.blogspot.com/2005/04/python-windows-services.html.
>
> Z.
The service needs to be in an alertable state to receive control signals.
Try win32api.SleepEx(10000, True) in place of time.sleep.
Roger
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