RedBear-OS/local/patches/redox-drm/P8-terminal-scheme-ebadf.patch

--- a/src/main.rs
+++ b/src/main.rs
@@ -24,6 +24,7 @@ use redox_driver_sys::pcid_client::PcidClient;
 use redox_driver_sys::quirks::PciQuirkFlags;
 use redox_scheme::{SignalBehavior, Socket};
+use syscall04::error::EBADF;
 
 use crate::driver::{DriverError, DriverEvent, GpuDriver, Result};
 use crate::drivers::DriverRegistry;
@@ -102,10 +103,13 @@ fn run() -> Result<()> {
     let event_scheme = drm_scheme.clone();
 
     std::thread::spawn(move || loop {
-        if let Ok(event) = event_rx.recv() {
-            if let Ok(mut scheme) = event_scheme.lock() {
-                scheme.handle_driver_event(event);
-            }
+        let Ok(event) = event_rx.recv() else {
+            info!("redox-drm: event producer dropped, stopping driver event thread");
+            break;
+        };
+
+        if let Ok(mut scheme) = event_scheme.lock() {
+            scheme.handle_driver_event(event);
         }
     });
 
@@ -118,6 +122,10 @@ fn run() -> Result<()> {
                 break;
             }
             Err(e) => {
+                if e.errno == EBADF {
+                    info!("redox-drm: scheme fd closed, exiting");
+                    break;
+                }
                 error!("redox-drm: failed to receive scheme request: {}", e);
                 continue;
             }
@@ -145,6 +153,10 @@ fn run() -> Result<()> {
         };
 
         if let Err(e) = socket.write_response(response, SignalBehavior::Restart) {
+            if e.errno == EBADF {
+                info!("redox-drm: scheme fd closed while writing response, exiting");
+                break;
+            }
             error!("redox-drm: failed to write scheme response: {}", e);
         }
     }