________________________________

From: Duane Percox [mailto:[log in to unmask]]
Sent: Fri 4/16/2004 5:26 PM
To: Landin, Mark; [log in to unmask]
Subject: RE: MPE on HP9000 ?



Mark Landin writes: 

>>That's just an example of the UNIX mindset infecting MPE via 
>>Posix. Deleting a file while someone else is reading it is 
>>rude. Deleting it while they are writing to it is rude AND 
>>dangerous. No self-respecting OS would allow it, but in 
>>UNIX, it's advertised as a feature. Madness! 

>I have to respectfully disagree. You are entitled to your 
>opinion, but I think if you survey modern operating systems 
>you will find more cases where you can delete a file while 
>it is being used than not. 

That doesn't make it *right*. And, right or wrong (however such things are judged), it's a good example of what kind of lobotomy MPE would have to go through before it could exist in a UNIX world.

>BTW, the file doesn't just 'disappear' while you are using it. 
>It is removed from the directory after that last 'user' of the 
>file closes it. 

You dig your hole deeper. :) So now we can't even trust the directory ... it may or may not list files which are actively being used by processes.

I still fail to see why this kind of behavior is considered a "good thing".

 

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