incubator-nuttx/sched/group/group_zalloc.c

62 lines
2.1 KiB
C

/****************************************************************************
* sched/group/group_zalloc.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 <string.h>
#include "group/group.h"
#ifdef CONFIG_MM_KERNEL_HEAP
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: group_zalloc
*
* Description:
* Allocate memory and clear appropriate for the group type. If the
* memory is part of a privileged, then it should be allocated so
* that it is only accessed by privileged code; Otherwise, it must be
* allocated so that it accessible by unprivileged code.
*
****************************************************************************/
FAR void *group_zalloc(FAR struct task_group_s *group, size_t nbytes)
{
FAR void *mem = group_malloc(group, nbytes);
if (mem)
{
memset(mem, 0, nbytes);
}
return mem;
}
#endif /* CONFIG_MM_KERNEL_HEAP */