[clisp-list] Re: POSIX support

[Sam S. <sd...@po...>]

> * Dave Roberts <qnir@ilnggn.pbz> [2006-04-28 14:52:46 -0700]:
>
> ----- Sam Steingold <sd...@po...> wrote:
>> > * Dave Roberts <qnir@ilnggn.pbz> [2006-04-27 15:42:56 -0700]:
>> >
>> > Unfortunately, there isn't a complete set. In fact, the set that
>> > exists is pretty eclectic (why POSIX:SETPGRP but not FORK??).
>> 
>> the interface to FORK is RUN-PROGRAM.
>> see src/TODO for details on how it should be enhanced.
>
> I looked at RUN-PROGRAM previously, but it really isn't the same as
> fork, right? It's really fork+exec on a UNIX system. There are times
> when I need to actually fork, then twiddle with something in the
> forked copy, then exec another process on top of me. If RUN-PROGRAM
> can allow me to do this, please tell me how. I don't see that it
> provides that sort of behavior in the impnotes.html documentation that
> I'm reading. BTW, this is not unexpected. Windows, for instance,
> doesn't have anything resembling fork and the most common useage of
> fork is to exec shortly thereafter. It's just that in the case of a
> Unix shell, things are a bit more complicated than the common case.

http://www.cygwin.com/acronyms/#PTC



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