Use redox-daemon

Cargo.lock

@@ -8,14 +8,31 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "libc"
+version = "0.2.126"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
+
 [[package]]
 name = "ptyd"
 version = "0.1.0"
 dependencies = [
+ "redox-daemon",
  "redox_syscall",
  "redox_termios",
 ]
 
+[[package]]
+name = "redox-daemon"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "21e31c834277709c7ff3eb74959fe62be4b45b1189ba9d41fd3744cd3a9c554f"
+dependencies = [
+ "libc",
+ "redox_syscall",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.2.16"

Cargo.toml

@@ -3,5 +3,6 @@ name = "ptyd"
 version = "0.1.0"
 
 [dependencies]
+redox-daemon = "0.1"
 redox_syscall = "0.2.12"
 redox_termios = "0.1.2"

src/main.rs

@@ -22,8 +22,7 @@ mod winsize;
 use scheme::PtyScheme;
 
 fn main(){
-    // Daemonize
-    if unsafe { syscall::clone(CloneFlags::empty()).unwrap() } == 0 {
+    redox_daemon::Daemon::new(move |daemon| {
         let mut event_file = OpenOptions::new()
             .read(true)
             .write(true)
@@ -48,6 +47,8 @@ fn main(){
 
         syscall::setrens(0, 0).expect("ptyd: failed to enter null namespace");
 
+        daemon.ready().expect("pty: failed to notify parent");
+
         event_file.write(&Event {
             id: socket.as_raw_fd() as usize,
             flags: syscall::EVENT_READ,
@@ -115,7 +116,7 @@ fn main(){
                 }
             }
         }
-    }
+    }).expect("pty: failed to daemonize");
 }
 
 fn timeout(time_file: &mut File) -> io::Result<()> {