rom/task/task_support.c

   1 /*
   2     Copyright © 2017, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #define DEBUG 0
   7
   8 #include <aros/debug.h>
   9
  10 #include <proto/exec.h>
  11
  12 #include "task_intern.h"
  13
  14 void task_CleanList(struct Task * task, struct TaskResBase *TaskResBase)
  15 {
  16     /* Are there any lock holders?, if not, do housecleaning */
  17     if (IsListEmpty(&TaskResBase->trb_LockedLists))
  18     {
  19         struct TaskListEntry *taskEntry, *tetmp;
  20
  21 #if !defined(__AROSEXEC_SMP__)
  22         /* Don't let any other task interfere with us at the moment */
  23         Forbid();
  24 #else
  25         EXEC_SPINLOCK_LOCK(&TaskResBase->TaskListSpinLock, NULL, SPINLOCK_MODE_WRITE);
  26 #endif
  27
  28         ForeachNodeSafe(&TaskResBase->trb_TaskList, taskEntry, tetmp)
  29         {
  30             if ((!taskEntry->tle_Task) ||
  31                 ((task) && (task == taskEntry->tle_Task)))
  32             {
  33                 D(bug("[TaskRes] RemTask: destroying old taskentry @ 0x%p\n", taskEntry));
  34                 Remove(&taskEntry->tle_Node);
  35                 FreeMem(taskEntry, sizeof(struct TaskListEntry));
  36             }
  37         }
  38         ForeachNodeSafe(&TaskResBase->trb_NewTasks, taskEntry, tetmp)
  39         {
  40             Remove(&taskEntry->tle_Node);
  41             AddTail(&TaskResBase->trb_TaskList, &taskEntry->tle_Node);
  42         }
  43
  44 #if !defined(__AROSEXEC_SMP__)
  45         Permit();
  46 #else
  47         EXEC_SPINLOCK_UNLOCK(&TaskResBase->TaskListSpinLock);
  48 #endif
  49     }
  50 }