Re: Avoid non-portable signal(SIGCHLD, SIG_IGN)

[Joerg Wunsch]

[Sorry for the late reply.]

As Alexandre Julliard wrote:
> > Unfortunately, a general patch for this is beyond my (current)
> > capabilities, so I'd really appreciate could the two of you agree on
> > a general fix for this.
>
> Does this do the right thing on FreeBSD?
> - struct sigaction sig_act;
> -
> - sig_act.sa_handler = SIG_IGN;
> - sig_act.sa_flags   = 0;
> - sigemptyset( &sig_act.sa_mask );

...
> +#ifdef SA_NOCLDWAIT
> - sig_act.sa_flags |= SA_NOCLDWAIT;
>
> +#endif
> - sigaction( SIGCHLD, &sig_act, NULL );

I didn't test that yet, but i think that should work.  If SA_NOCLDWAIT
is set (in a call for SIGCHLD), sa_handler ought to be ignored anyway.