std.process.execute performance without Config.inheritFDs

[Vladimir Panteleev via Digitalmars-d]

On Monday, 3 July 2017 at 14:48:38 UTC, Jonathan Shamir wrote:
>         if (!(config & Config.inheritFDs))
>         {
>             import core.sys.posix.sys.resource;
>             rlimit r;
>             getrlimit(RLIMIT_NOFILE, &r);
>             foreach (i; 3 .. cast(int) r.rlim_cur) close(i);
>         }

That code is pretty old. std.process was changed to use poll when 
available over a year ago:

https://github.com/dlang/phobos/pull/4114

Update your D installation?