> can’t really do anything that posix spawn doesn’t. This is blatantly untrue. Probably the most common example is `chdir`, but there's a whole list in signal-

> can’t really do anything that posix spawn doesn’t. This is blatantly untrue. Probably the most common example is `chdir`, but there's a whole list in signal-safety(7). Using a shim is always a possibility but that's annoying.