From: Yukihiro Matsumoto <matz@...>
Date: 2004-12-04T23:05:25+09:00
Subject: Re: GC run at end of script execution - order in which objects are claimed?

Hi,

In message "Re: GC run at end of script execution - order in which objects are claimed?"
    on Sat, 4 Dec 2004 07:00:15 +0900, Glenn Parker <glenn.parker@comcast.net> writes:

|> I'm not sure how much hackish it is.  Basically all resources are
|> reclaimed by the operating system at the process termination.  If you
|> have something that can not be reclaimed automatically by the OS,
|> you can not expect GC to handle it automagically either.
|
|A counter-example would be creating a named pipe, or a shared memory 
|segment, or a large tmp file that should be removed at program exit.  If 
|an application relies on finalizers or other semi-non-deterministic 
|tricks to accomplish the cleanup, then it could easily leave system 
|resources allocated.  IMHO, such an application is flawed, since there 
|are much better ways to guarantee cleanup at the end of an application. 
|  It's a matter of setting expectations.

I think we are saying same thing.  My "something that can not be
reclaimed automatically" is your "a named pipe, or a shared memory
segment, or a large tmp file that should be removed at program exit",
right?

							matz.