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 #include <proto/kernel.h>
  12
  13 #include "task_intern.h"
  14
  15 void task_CleanList(struct Task * task, struct TaskResBase *TaskResBase)
  16 {
  17     /* Are there any lock holders?, if not, do housecleaning */
  18     if (IsListEmpty(&TaskResBase->trb_LockedLists))
  19     {
  20         struct TaskListEntry *taskEntry, *tetmp;
  21
  22 #if !defined(__AROSEXEC_SMP__)
  23         /* Don't let any other task interfere with us at the moment */
  24         Forbid();
  25 #else
  26         EXEC_SPINLOCK_LOCK(&TaskResBase->TaskListSpinLock, SPINLOCK_MODE_WRITE);
  27 #endif
  28
  29         ForeachNodeSafe(&TaskResBase->trb_TaskList, taskEntry, tetmp)
  30         {
  31             if ((!taskEntry->tle_Task) ||
  32                 ((task) && (task == taskEntry->tle_Task)))
  33             {
  34                 D(bug("[TaskRes] RemTask: destroying old taskentry @ 0x%p\n", taskEntry));
  35                 Remove(&taskEntry->tle_Node);
  36                 FreeMem(taskEntry, sizeof(struct TaskListEntry));
  37             }
  38         }
  39         ForeachNodeSafe(&TaskResBase->trb_NewTasks, taskEntry, tetmp)
  40         {
  41             Remove(&taskEntry->tle_Node);
  42             AddTail(&TaskResBase->trb_TaskList, &taskEntry->tle_Node);
  43         }
  44
  45 #if !defined(__AROSEXEC_SMP__)
  46         Permit();
  47 #else
  48         EXEC_SPINLOCK_UNLOCK(&TaskResBase->TaskListSpinLock);
  49 #endif
  50     }
  51 }