Function `posix_spawn`

fn posix_spawn<P, SA, SE>(path: &P, file_actions: &PosixSpawnFileActions, attr: &PosixSpawnAttr, args: &[SA], envp: &[SE]) -> Result<Pid>
where
    P: NixPath + ?Sized,
    SA: AsRef<CStr>,
    SE: AsRef<CStr>

Create a new child process from the specified process image. See posix_spawn.