Use fork() to spawn subprocess

src/event_reader.rs

@@ -1,6 +1,7 @@
-use std::{collections::HashMap, sync::Arc, option::Option, process::Command};
+use std::{collections::HashMap, sync::Arc, option::Option, process::{Command, Stdio}};
 use tokio::sync::Mutex;
 use tokio_stream::StreamExt;
+use fork::{fork, setsid, Fork};
 use evdev::{EventStream, Key, RelativeAxisType, AbsoluteAxisType, EventType, InputEvent};
 use crate::virtual_devices::VirtualDevices;
 use crate::Config;
@@ -440,11 +441,22 @@ impl EventReader {
             },
             Ok(_) => {
                 for command in command_list {
+                    match fork() {
+                        Ok(Fork::Child) => {
+                            setsid().unwrap();
                             Command::new("sh")
                                 .arg("-c")
                                 .arg(command)
+                                .stdin(Stdio::null())
+                                .stdout(Stdio::null())
+                                .stderr(Stdio::null())
                                 .spawn()
                                 .expect("Failed to run command.");
+                            std::process::exit(0);
+                        },
+                        Ok(Fork::Parent(_)) => (),
+                        Err(_) => std::process::exit(1),
+                    }
                 }
             }
             Err(_) => {},
@@ -561,4 +573,3 @@ impl EventReader {
         }
     }
 }
-