[ptherad] Fix pthread_exit issue

When pthread invokes pthread_exit, it just detach self.

1 files changed, 6 insertions, 7 deletions

diff --git a/src/thread.c b/src/thread.c
index b23d2fb6b9..0f2e1dc3d0 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -347,17 +347,17 @@ rt_err_t rt_thread_detach(rt_thread_t thread)
     /* change stat */
     thread->stat = RT_THREAD_CLOSE;
 
-    /* detach object */
-    rt_object_detach((rt_object_t)thread);
-
-    if (thread->cleanup != RT_NULL)
+    if ((rt_object_is_systemobject((rt_object_t)thread) == RT_TRUE) &&
+        thread->cleanup == RT_NULL)
+    {
+        rt_object_detach((rt_object_t)thread);
+    }
+    else
     {
         /* disable interrupt */
         lock = rt_hw_interrupt_disable();
-
         /* insert to defunct thread list */
         rt_list_insert_after(&rt_thread_defunct, &(thread->tlist));
-
         /* enable interrupt */
         rt_hw_interrupt_enable(lock);
     }
@@ -366,7 +366,6 @@ rt_err_t rt_thread_detach(rt_thread_t thread)
 }
 RTM_EXPORT(rt_thread_detach);
 
-
 #ifdef RT_USING_HEAP
 /**
  * This function will create a thread object and allocate thread object memory