Changeset c47e1a8 in mainline for kernel/generic/src/synch/spinlock.c

Timestamp:

2010-05-21T07:50:04Z (15 years ago)

Author:

Lenka Trochtova <trochtova.lenka@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

d51ee2b

Parents:

cf8cc36 (diff), 15b592b (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

merge mainline changes (rev. 451)

File:

• kernel/generic/src/synch/spinlock.c (modified) (2 diffs)

kernel/generic/src/synch/spinlock.c

@@ -52 +52 @@
  *
  */
-void spinlock_initialize(spinlock_t *lock, char *name)
+void spinlock_initialize(spinlock_t *lock, const char *name)
 {
         atomic_set(&lock->val, 0);
@@ -120 +120 @@
 }
 
+/** Unlock spinlock
+ *
+ * Unlock spinlock.
+ *
+ * @param sl Pointer to spinlock_t structure.
+ */
+void spinlock_unlock_debug(spinlock_t *lock)
+{
+        ASSERT(atomic_get(&lock->val) != 0);
+        
+        /*
+         * Prevent critical section code from bleeding out this way down.
+         */
+        CS_LEAVE_BARRIER();
+        
+        atomic_set(&lock->val, 0);
+        preemption_enable();
+}
+
 #endif