From 35dd10890d7c6d1023d6c8647c0984b69b811410 Mon Sep 17 00:00:00 2001
From: Jonas Maier <>
Date: Mon, 9 Mar 2026 13:37:20 +0100
Subject: basic setup for unix socket comms

---
 src/main.rs | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

(limited to 'src/main.rs')

diff --git a/src/main.rs b/src/main.rs
index f038336..5d2643f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,5 @@
+#![feature(unix_socket_ancillary_data)]
+
 use std::collections::HashMap;
 use std::ffi::OsStr;
 use std::fs;
@@ -5,7 +7,7 @@ use std::io::{self, IsTerminal, Read, Write};
 use std::os::unix::ffi::OsStrExt;
 use std::os::unix::io::AsRawFd;
 use std::path::Path;
-use std::process::{Command, Stdio};
+use std::process::{Command, Stdio, exit};
 use std::sync::{Arc, Mutex};
 use std::thread::sleep;
 use std::time::Duration;
@@ -13,6 +15,7 @@ use std::time::Duration;
 pub mod basedir;
 pub mod completion;
 pub mod cursor;
+pub mod date;
 pub mod history;
 pub mod linebuf;
 pub mod panic;
@@ -20,7 +23,7 @@ pub mod parse;
 pub mod raw;
 pub mod reload;
 pub mod run;
-pub mod date;
+pub mod unix;
 
 use linebuf::LineBuf;
 use raw::*;
@@ -67,6 +70,7 @@ pub struct Session {
     builtins: HashMap<BString, &'static dyn run::Builtin>,
     vars: HashMap<BString, BString>,
     funs: HashMap<BString, Ast<PreExpansion>>,
+    socket_running: Option<unix::SocketRunning>,
 
     /// n before end of history.len()
     /// 0 == not checking history
@@ -133,7 +137,9 @@ impl Session {
         let new = if self.history_visit == 0 {
             Vec::new()
         } else {
-            self.history[self.history.len() - self.history_visit].cmd.clone()
+            self.history[self.history.len() - self.history_visit]
+                .cmd
+                .clone()
         };
         io::stdout().write_all(&new).unwrap();
         io::stdout().flush().unwrap();
@@ -165,7 +171,9 @@ impl Session {
         }
 
         // skip it
-        while let Some(x) = self.line.get_left() && !x.is_ascii_whitespace() {
+        while let Some(x) = self.line.get_left()
+            && !x.is_ascii_whitespace()
+        {
             self.line.left();
             i += 1;
         }
@@ -256,6 +264,7 @@ fn event_loop() {
         builtins: run::builtin_map(),
         prev_path: vec![b'.'],
         history_visit: 0,
+        socket_running: None,
         vars: HashMap::new(),
         funs: HashMap::new(),
     };
@@ -263,6 +272,7 @@ fn event_loop() {
     print!("{}", se.prompt());
 
     let session = Arc::new(Mutex::new(se));
+    let _sock_dropper = unix::listen(session.clone());
 
     loop {
         let mut buf = [0u8; 1];
@@ -479,6 +489,7 @@ fn event_loop() {
 }
 
 fn main() {
+    unix::maybe_run_defined_function();
     if !io::stdin().is_terminal() {
         println!("need to run in a tty");
         return;
-- 
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