PERFORCE change 130618 for review

[Robert Watson]

On Tue, 11 Dec 2007, Warner Losh wrote:

> http://perforce.freebsd.org/chv.cgi?CH=130618
>
> Change 130618 by imp at imp_mbp on 2007/12/11 07:14:48
>
> 	Darwin doesn't like it when you try to setrlimit NOFILE, so
> 	ignore the error in that case.  This is lame, and I'm not sure
> 	what the right fix for this is.
>
> 	# Now we get to the version check in legacy before we barf-o-rama

FYI, you can always take a look at the Darwin source for most UNIXesque tools,
including their variations on GNU and BSD makes.

Robert N M Watson
Computer Laboratory
University of Cambridge

>
> Affected files ...
>
> .. //depot/projects/arm/src/usr.bin/make/main.c#5 edit
>
> Differences ...
>
> ==== //depot/projects/arm/src/usr.bin/make/main.c#5 (text+ko) ====
>
> @@ -901,7 +901,9 @@
>
> #ifdef RLIMIT_NOFILE
> 	/*
> -	 * get rid of resource limit on file descriptors
> +	 * get rid of resource limit on file descriptors, but don't
> +	 * fail if we can't because OS X has this define, but we get
> +	 * EINVAL when we try to set it.
> 	 */
> 	{
> 		struct rlimit rl;
> @@ -909,9 +911,7 @@
> 			err(2, "getrlimit");
> 		}
> 		rl.rlim_cur = rl.rlim_max;
> -		if (setrlimit(RLIMIT_NOFILE, &rl) == -1) {
> -			err(2, "setrlimit");
> -		}
> +		setrlimit(RLIMIT_NOFILE, &rl);
> 	}
> #endif
>
>