nuttx/sched/group/group_malloc.c
Alin Jerpelea eb9030c891 sched: migrate to SPDX identifier
Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2024-09-12 01:10:14 +08:00

85 lines
2.7 KiB
C

/****************************************************************************
* sched/group/group_malloc.c
*
* SPDX-License-Identifier: Apache-2.0
*
* 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_malloc
*
* Description:
* Allocate memory appropriate for the group type. If the memory is
* part of a privileged group, then it should be allocated so that it
* is only accessible by privileged code; Otherwise, it is a user mode
* group and must be allocated so that it accessible by unprivileged
* code.
*
****************************************************************************/
FAR void *group_malloc(FAR struct task_group_s *group, size_t nbytes)
{
/* 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 type */
if ((group->tg_flags & GROUP_FLAG_PRIVILEGED) != 0)
{
/* It is a privileged group... use the kernel mode memory allocator */
return kmm_malloc(nbytes);
}
else
{
/* This is an unprivileged group... use the user mode memory
* allocator.
*/
return kumm_malloc(nbytes);
}
}
#endif /* CONFIG_MM_KERNEL_HEAP */