Re: [jamboost] Re: Use of _exit() in execunix.c?

From: Vladimir Prus (ghost_at_[hidden])
Date: 2005-07-29 06:21:25

On Friday 29 July 2005 15:15, David Abrahams wrote:
> Vladimir Prus <ghost_at_[hidden]> writes:
> > BTW, anybody has any idea why the code in question:
> >
> > if ((pid = vfork()) == 0)
> > {
> > execvp( argv[0], argv );
> > _exit(127);
> > }
> >
> > uses "_exit" and not "exit"? The only difference is that _exit does not
> > invoke "atexit" functions. Everywhere else, "exit" is used.
>
> Maybe because you want those functions to be run by the main process,
> and not by the fork?

Ah.. that's reasonable.

- Volodya

-- 
Vladimir Prus
http://vladimir_prus.blogspot.com
Boost.Build V2: http://boost.org/boost-build2