fix(runtime-rs): add exited state to ensure cleanup

Set process status to exited at end of io wait, which indicate process
exited only, but stop process has not been finished. Otherwise, the
cleanup_container will be skipped.

Fixes: #6393

Signed-off-by: Yipeng Yin <yinyipeng@bytedance.com>

src/runtime-rs/crates/runtimes/common/src/types/mod.rs

@@ -184,6 +184,7 @@ pub enum ProcessStatus {
     Stopped = 3,
     Paused = 4,
     Pausing = 5,
+    Exited = 6,
 }
 
 #[derive(Debug, Clone)]

src/runtime-rs/crates/runtimes/common/src/types/trans_into_shim.rs

@@ -56,6 +56,7 @@ impl From<ProcessStatus> for api::Status {
             ProcessStatus::Stopped => api::Status::STOPPED,
             ProcessStatus::Paused => api::Status::PAUSED,
             ProcessStatus::Pausing => api::Status::PAUSING,
+            ProcessStatus::Exited => api::Status::STOPPED,
         }
     }
 }

src/runtime-rs/crates/runtimes/virt_container/src/container_manager/container_inner.rs

@@ -200,20 +200,22 @@ impl ContainerInner {
             return Ok(());
         }
 
-        self.check_state(vec![ProcessStatus::Running])
+        self.check_state(vec![ProcessStatus::Running, ProcessStatus::Exited])
             .await
             .context("check state")?;
 
-        // if use force mode to stop container, stop always successful
-        // send kill signal to container
-        // ignore the error of sending signal, since the process would
-        // have been killed and exited yet.
-        self.signal_process(process, Signal::SIGKILL as u32, false)
-            .await
-            .map_err(|e| {
-                warn!(logger, "failed to signal kill. {:?}", e);
-            })
-            .ok();
+        if state == ProcessStatus::Running {
+            // if use force mode to stop container, stop always successful
+            // send kill signal to container
+            // ignore the error of sending signal, since the process would
+            // have been killed and exited yet.
+            self.signal_process(process, Signal::SIGKILL as u32, false)
+                .await
+                .map_err(|e| {
+                    warn!(logger, "failed to signal kill. {:?}", e);
+                })
+                .ok();
+        }
 
         match process.process_type {
             ProcessType::Container => self

src/runtime-rs/crates/runtimes/virt_container/src/container_manager/process.rs

@@ -182,7 +182,7 @@ impl Process {
             drop(exit_status);
 
             let mut status = status.write().await;
-            *status = ProcessStatus::Stopped;
+            *status = ProcessStatus::Exited;
             drop(status);
 
             drop(exit_notifier);