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

Timestamp:

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

Author:

alain

Message:

Fix bugs in exec

File:

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

trunk/kernel/libk/remote_spinlock.h

@@ -33 +33 @@
  * This structure defines a remote spinlock, that can be used to protect
  * exclusive access to a trans-cluster shared resource. It can be taken by any 
- * thread running in any cluster. All access functions use remote pointers,
- * and the owner thread is registrated as a remote pointer.
+ * thread running in any cluster. All access functions use remote pointers.
+ * The "owner" and "list" are optionnal fields used for debug. 
+ * It register the list of all remote spinlocks taken by a given thread.
  **************************************************************************************/
 
@@ -40 +41 @@
 {
     volatile uint32_t     taken;       /*! free if 0 / taken if non zero             */
+
+#if CONFIG_LOCKS_DEBUG
     xptr_t                owner;       /*! extended pointer on the owner thread      */
     xlist_entry_t         list;        /*! list of all remote_lock taken by owner    */
+#endif
+
 } 
 remote_spinlock_t;
@@ -100 +105 @@
 void remote_spinlock_unlock( xptr_t  lock_xp );
 
-/***************************************************************************************
- * This debug function returns the current owner of a remote spinlock.
- ***************************************************************************************
- * @ lock_xp    : extended pointer on the remote spinlock
- * @ return XPTR_NULL if not taken / return owner thread if lock already taken
- **************************************************************************************/
-xptr_t remote_spinlock_owner( xptr_t  lock_xp );
-
-
 #endif