add print messages

src/main.rs

@@ -37,14 +37,17 @@ fn init() -> Result<()> {
         config::Mode::Spawn => {
             // set up a process reaper. any time a child process dies, a SIGCHLD will be fired, and
             // the signal handler will reap the processes
+            eprintln!("installing signal handler");
             system::syscall::signal(libc::SIGCHLD, handle_sigchld)?;
             loop {
+                eprintln!("spawning {command}");
                 if let Err(e) = std::process::Command::new(command).spawn() {
                     eprintln!("Encountered error running {command}: {e}");
                 }
             }
         }
         config::Mode::Exec => {
+            eprintln!("pivoting to {command}");
             system::syscall::execv(command, &[])?;
         }
     }