Re: Patch: FYI: ignore unknown children when reaping

[Mark Wielaard <mark at klomp dot org>]

Hi Tom,

On Thu, 2006-01-05 at 10:26 -0700, Tom Tromey wrote:
>        // Look up the process in our pid map.
>        ConcreteProcess * process = removeProcessFromMap ((jlong) pid);
>  
> +      // Note that if process==NULL, then we have an unknown child.
> +      // This is not common, but can happen, and isn't an error.
>        if (process)
>  	{
>  	  JvSynchronize sync (process);
> @@ -178,11 +180,6 @@
>            process->processTerminationCleanup();
>  	  process->notifyAll ();
>  	}
> -      else
> -	{
> -	  // Unknown child.  How did this happen?
> -	  fprintf (stderr, "Reaped unknown child pid = %ld\n", (long) pid);
> -	}
>      }

So how/when does this happen? And why isn't it an error?

Cheers,

Mark

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