Changes in kernel/generic/src/proc/task.c [d3808d3:e535eeb] in mainline

File:

• kernel/generic/src/proc/task.c (modified) (3 diffs)

kernel/generic/src/proc/task.c

@@ -1 +1 @@
 /*
- * Copyright (c) 2010 Jakub Jermar
+ * Copyright (c) 2001-2004 Jakub Jermar
  * All rights reserved.
  *
@@ -210 +210 @@
         btree_create(&ta->futexes);
         
-        /*
-         * Get a reference to the address space.
-         */
-        as_hold(ta->as);
-
         ipl = interrupts_disable();
+        atomic_inc(&as->refcount);
         spinlock_lock(&tasks_lock);
         ta->taskid = ++task_counter;
@@ -254 +250 @@
          * Drop our reference to the address space.
          */
-        as_release(t->as);
+        if (atomic_predec(&t->as->refcount) == 0) 
+                as_destroy(t->as);
         
         slab_free(task_slab, t);
-}
-
-/** Hold a reference to a task.
- *
- * Holding a reference to a task prevents destruction of that task.
- *
- * @param t             Task to be held.
- */
-void task_hold(task_t *t)
-{
-        atomic_inc(&t->refcount);
-}
-
-/** Release a reference to a task.
- *
- * The last one to release a reference to a task destroys the task.
- *
- * @param t             Task to be released.
- */
-void task_release(task_t *t)
-{
-        if ((atomic_predec(&t->refcount)) == 0)
-                task_destroy(t);
+        TASK = NULL;
 }