Wait for the devfs to initialize before mounting it

src/main.rs

@@ -75,31 +75,20 @@ fn main() {
     syslog_client.subscribe_to_text();
     syslog_client.subscribe_to_binary("devfs".to_string(), vec![0, 1]);
     syslog_client.subscribe_to_binary("tarfs".to_string(), vec![0]);
-    syslog_client
-        .send_text_message("init", "Started syslog")
-        .unwrap();
+    let mut msg_handler = SyslogMessageHandler::new();
     let vfs_pid = run_initrd_proc(&initrd, "bin/vfs");
-    syslog_client
-        .send_text_message("init", "Started the VFS")
-        .unwrap();
-    run_initrd_proc(&initrd, "bin/devfs");
-    syslog_client
-        .send_text_message("init", "Started the devfs")
-        .unwrap();
     let vfs_client = vfs_rpc::Client::new(vfs_pid);
+    run_initrd_proc(&initrd, "bin/devfs");
+    loop {
+        let msg = msg_handler.get_message();
+        if msg.from == "devfs" {
+            break;
+        }
+    }
     vfs_client
         .mount(Path::new("/dummy"), "devfs", Path::new("/dev"))
         .unwrap();
-    syslog_client
-        .send_text_message("init", "Mounted /dev")
-        .unwrap();
     run_initrd_proc(&initrd, "bin/tarfs");
-    syslog_client
-        .send_text_message("init", "Started the tar archive FS")
-        .unwrap();
-
-    let mut msg_handler = SyslogMessageHandler::new();
-
     loop {
         let msg = msg_handler.get_message();
         if msg.from == "tarfs" {
@@ -107,9 +96,6 @@ fn main() {
         }
     }
     run_initrd_proc(&initrd, "bin/initrd_driver");
-    syslog_client
-        .send_text_message("init", "Started the initrd pseudodevice driver")
-        .unwrap();
     while !msg_handler
         .registered_devices
         .iter()
@@ -120,9 +106,6 @@ fn main() {
     vfs_client
         .mount(Path::new("/dev/initrd"), "tarfs", Path::new("/"))
         .unwrap();
-    syslog_client
-        .send_text_message("init", "Mounted the initrd as the root FS")
-        .unwrap();
     Command::new("/bin/partserv").spawn().unwrap();
     Command::new("/bin/ext2").spawn().unwrap();
     Command::new("/bin/pci").spawn().unwrap();