From: nobu.nokada@...
Date: 2005-04-28T00:27:56+09:00
Subject: Re: Starting and stopping a child process in Windows

Hi,

At Thu, 28 Apr 2005 00:05:08 +0900,
Berger, Daniel wrote in [ruby-talk:140051]:
> > Which?  I just use built-in method, and it works on other 
> > platforms almost too, except for DJGPP and a few.
> 
> _spawn, _spawnl, _spawnle, _spawnlpe, _spawnv, _spawnve, _spawnvp,
> _spawnvpe are on Windows.

Ah, you're talking about the implementation?  None of them.
See rb_w32_spawn() and CreateChild() functions in win32/win32.c
for detail.

> I don't even think I realized Unix had a spawn function (or I forgot).
> Looks like it's just a combined fork + exec.

Yes, it's implemented using those system calls.  See
rb_spawn(), rb_fork() and rb_exec() functions in process.c.

-- 
Nobu Nakada