2 files changed, 13 insertions, 0 deletions
diff --git a/kern/task.c b/kern/task.c
index 6e8eb5b..000a723 100644
--- a/kern/task.c
+++ b/kern/task.c
@@ -107,6 +107,14 @@ task_add_thread(struct task *task, struct thread *thread)
 }
 
 void
+task_remove_thread(struct task *task, struct thread *thread)
+{
+    spinlock_lock(&task->lock);
+    list_remove(&thread->task_node);
+    spinlock_unlock(&task->lock);
+}
+
+void
 task_info(struct task *task)
 {
     struct thread *thread;
diff --git a/kern/task.h b/kern/task.h
index 0cebdb2..6759939 100644
--- a/kern/task.h
+++ b/kern/task.h
@@ -60,6 +60,11 @@ int task_create(struct task **taskp, const char *name);
 void task_add_thread(struct task *task, struct thread *thread);
 
 /*
+ * Remove a thread from a task.
+ */
+void task_remove_thread(struct task *task, struct thread *thread);
+
+/*
  * Display task information.
  *
  * If task is NULL, this function displays all tasks.