Comment by cryptonector

posix_spawn() attributes can do a lot of this, and a helper program can do much if not all of the rest.

Removing fork() will take a long, long time. Every popular use case needs an alternative that doesn't suck.

But then again, fork() is kinda awful[0].

[0] https://gist.github.com/nicowilliams/a8a07b0fc75df05f684c23c...