Fixed bug 3069854.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/stable_2.0.x@2191 35acf78f-673a-0410-8e92-d51de3d6d3f4

os/kernel/src/chthreads.c

@@ -73,14 +73,15 @@
  */
 Thread *init_thread(Thread *tp, tprio_t prio) {
 
-  tp->p_flags = THD_MEM_MODE_STATIC;
   tp->p_prio = prio;
   tp->p_state = THD_STATE_SUSPENDED;
-#if CH_USE_REGISTRY
-  REG_INSERT(tp);
+  tp->p_flags = THD_MEM_MODE_STATIC;
+#if CH_USE_MUTEXES
+  tp->p_realprio = prio;
+  tp->p_mtxlist = NULL;
 #endif
-#if CH_USE_DYNAMIC
-  tp->p_refs = 1;
+#if CH_USE_EVENTS
+  tp->p_epending = 0;
 #endif
 #if CH_USE_NESTED_LOCKS
   tp->p_locks = 0;
@@ -88,9 +89,8 @@ Thread *init_thread(Thread *tp, tprio_t prio) {
 #if CH_DBG_THREADS_PROFILING
   tp->p_time = 0;
 #endif
-#if CH_USE_MUTEXES
-  tp->p_realprio = prio;
-  tp->p_mtxlist = NULL;
+#if CH_USE_DYNAMIC
+  tp->p_refs = 1;
 #endif
 #if CH_USE_WAITEXIT
   list_init(&tp->p_waiting);
@@ -98,10 +98,14 @@ Thread *init_thread(Thread *tp, tprio_t prio) {
 #if CH_USE_MESSAGES
   queue_init(&tp->p_msgqueue);
 #endif
-#if CH_USE_EVENTS
-  tp->p_epending = 0;
+#if CH_USE_REGISTRY
+  chSysLock();
+  REG_INSERT(tp);
+  chSysUnlock();
+#endif
+#if defined(THREAD_EXT_EXIT_HOOK)
+  THREAD_EXT_INIT_HOOK(tp);
 #endif
-  THREAD_EXT_INIT(tp);
   return tp;
 }
 

readme.txt

@@ -59,6 +59,7 @@
 *****************************************************************************
 
 *** 2.0.5 ***
+- FIX: Fixed race condition in threads creation (bug 3069854).
 - FIX: Fixed broken CH_DBG_ENABLE_STACK_CHECK option in legacy CM3 port (bug
   3064274).
 - FIX: Fixed CAN_USE_SLEEP_MODE setting (bug 3064204).