Changeset 409 for trunk/kernel/libk/rwlock.h

Timestamp:

Dec 20, 2017, 4:51:09 PM (6 years ago)

Author:

alain

Message:

Fix bugs in exec

File:

• trunk/kernel/libk/rwlock.h (modified) (3 diffs)

trunk/kernel/libk/rwlock.h

@@ -40 +40 @@
  * As this local lock is only accessed by the local threads, if the lock is taken, 
  * the new-comers use a busy waiting policy with a delay between retry.
+ * TODO : Introduce the rwlocks in the list of locks taken by a given thread for debug.
  ******************************************************************************************/
 
@@ -48 +49 @@
 /*******************************************************************************************
  * This structure defines a local rwlock.
+ * The "owner" and "list" fields are used for debug.
  ******************************************************************************************/
 
@@ -55 +57 @@
     uint32_t            current;          /*! ticket index of current owner               */
     uint32_t            count;            /*! number of simultaneous readers threads      */
+
+#if CONFIG_LOCKS_DEBUG
         struct thread_s   * owner;            /*! pointer on curent writer thread             */
+    list_entry_t        list;             /*! member of list of locks taken by owner      */
+#endif
+
 }
 rwlock_t;