incubator-nuttx/sched/group/group_free.c

80 lines
2.4 KiB
C

/****************************************************************************
* sched/group/group_free.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <sys/types.h>
#include <assert.h>
#include <nuttx/sched.h>
#include <nuttx/kmalloc.h>
#include "sched/sched.h"
#include "group/group.h"
#ifdef CONFIG_MM_KERNEL_HEAP
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: group_free
*
* Description:
* Free memory appropriate previously allocated via group_malloc() using
* the appropriate memory manager.
*
****************************************************************************/
void group_free(FAR struct task_group_s *group, FAR void *mem)
{
/* A NULL group pointer means the current group */
if (!group)
{
FAR struct tcb_s *tcb = this_task();
DEBUGASSERT(tcb && tcb->group);
group = tcb->group;
}
/* Check the group is privileged */
if ((group->tg_flags & GROUP_FLAG_PRIVILEGED) != 0)
{
/* It is a privileged group... use the kernel mode memory allocator */
kmm_free(mem);
}
else
{
/* This is an unprivileged group... use the user mode memory
* allocator.
*/
kumm_free(mem);
}
}
#endif /* CONFIG_MM_KERNEL_HEAP */