Re: [Opalvoip-devel] PServiceProcess questions

[Robert J. <ro...@vo...>]

That is correct. I can't remember the reasons any more, but it is deliberate. See documentation:

    /** Called by the system when the service is stopped. One return from this
       function there is no guarantee that any more user code will be executed.
       Any cleaning up or closing of resource must be done in here.

       Default behaviour signals the m_exitMain to exit Main().
     */
    virtual void OnStop();

So, do not use a destructor to clean anything up in a PServiceProcess.

----------
Robert Jongbloed
Vox Lucida Pty. Ltd.

-----Original message-----
From: Елена Валынец
Sent: Thursday, 11th August 2016, 14:00
To: opa...@li...
Subject: [Opalvoip-devel] PServiceProcess questions


Hello! 
PTLib V3.16 Procyon, OS x86_64 GNU/Linux

I use PServiceProcess as base class for daemon implementation. And it seems that m_processID field saves parent value in the child process after fork().

Why is Terminate() function called at the end? It couses exit and prevents calling the destructor of PServiceProcess.
int PServiceProcess::InternalMain(void *)
{
  if ((terminationValue = InitialiseService()) < 0) {
    // Make sure housekeeping thread is going so signals are handled.
    SignalTimerChange();

    terminationValue = 1;
    if (OnStart()) {
      terminationValue = 0;
      Main();
      Terminate();
    }
  }

  return terminationValue;
}

Best regards
Elena

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