nuttx/libs/libc/spawn/lib_psa_getstacksize.c
Xiang Xiao 82fb188d02 sched/spawn: Support the stack address argument
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2021-05-13 13:23:24 -07:00

64 lines
2.3 KiB
C

/****************************************************************************
* libs/libc/spawn/lib_psa_getstacksize.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 <nuttx/config.h>
#include <sched.h>
#include <spawn.h>
#include <assert.h>
#ifndef CONFIG_BUILD_KERNEL
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: task_spawnattr_getstacksize
*
* Description:
* The task_spawnattr_getstacksize() function will obtain the value of
* the spawn-stacksize attribute from the attributes object referenced
* by attr.
*
* Input Parameters:
* attr - The address spawn attributes to be queried.
* stacksize - The location to return the spawn-stacksize value.
*
* Returned Value:
* On success, these functions return 0; on failure they return an error
* number from <errno.h>.
*
****************************************************************************/
int task_spawnattr_getstacksize(FAR const posix_spawnattr_t *attr,
FAR size_t *stacksize)
{
DEBUGASSERT(attr && stacksize);
*stacksize = attr->stacksize;
return OK;
}
#endif /* !CONFIG_BUILD_KERNEL */