incubator-nuttx/libs/libc/unistd/lib_getrlimit.c

92 lines
2.6 KiB
C

/****************************************************************************
* libs/libc/unistd/lib_getrlimit.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 <string.h>
#include <errno.h>
#include <sys/resource.h>
#include <pthread.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: getrlimit
*
* Description:
* The getrlimit() and setrlimit() system calls get and
* set resource limits respectively.
*
****************************************************************************/
int getrlimit(int resource, FAR struct rlimit *rlp)
{
UNUSED(resource);
if (rlp == NULL)
{
set_errno(EINVAL);
return ERROR;
}
/* This is a dummy realization to make the compiler happy */
memset(rlp, 0, sizeof(*rlp));
switch (resource)
{
case RLIMIT_NOFILE:
{
rlp->rlim_cur = OPEN_MAX;
rlp->rlim_max = OPEN_MAX;
}
break;
case RLIMIT_STACK:
{
rlp->rlim_cur = PTHREAD_STACK_DEFAULT;
rlp->rlim_max = RLIM_INFINITY;
}
break;
case RLIMIT_RTPRIO:
{
rlp->rlim_cur = SCHED_PRIORITY_DEFAULT;
rlp->rlim_max = SCHED_PRIORITY_MAX;
}
break;
case RLIMIT_RTTIME:
{
rlp->rlim_cur = UINT32_MAX;
rlp->rlim_max = UINT32_MAX;
}
break;
default:
break;
}
return OK;
}