113 lines
3.1 KiB
C
113 lines
3.1 KiB
C
/****************************************************************************
|
|
* sched/group/group_setupidlefiles.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 <stdio.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <sched.h>
|
|
#include <errno.h>
|
|
#include <debug.h>
|
|
|
|
#include <nuttx/fs/fs.h>
|
|
#include <nuttx/net/net.h>
|
|
|
|
#include "group/group.h"
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: group_setupidlefiles
|
|
*
|
|
* Description:
|
|
* Configure the idle thread's TCB.
|
|
*
|
|
* Input Parameters:
|
|
* tcb - tcb of the idle task.
|
|
*
|
|
* Returned Value:
|
|
* 0 is returned on success; a negated errno value is returned on a
|
|
* failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
int group_setupidlefiles(FAR struct task_tcb_s *tcb)
|
|
{
|
|
FAR struct task_group_s *group = tcb->cmn.group;
|
|
#ifdef CONFIG_DEV_CONSOLE
|
|
int fd;
|
|
#endif
|
|
|
|
DEBUGASSERT(group != NULL);
|
|
|
|
/* Initialize file descriptors for the TCB */
|
|
|
|
files_initlist(&group->tg_filelist);
|
|
|
|
/* Open stdin, dup to get stdout and stderr. This should always
|
|
* be the first file opened and, hence, should always get file
|
|
* descriptor 0.
|
|
*/
|
|
|
|
#ifdef CONFIG_DEV_CONSOLE
|
|
fd = nx_open("/dev/console", O_RDWR);
|
|
if (fd == 0)
|
|
{
|
|
/* Successfully opened /dev/console as stdin (fd == 0) */
|
|
|
|
nx_dup2(0, 1);
|
|
nx_dup2(0, 2);
|
|
}
|
|
else
|
|
{
|
|
/* We failed to open /dev/console OR for some reason, we opened
|
|
* it and got some file descriptor other than 0.
|
|
*/
|
|
|
|
if (fd > 0)
|
|
{
|
|
sinfo("Open /dev/console fd: %d\n", fd);
|
|
nx_close(fd);
|
|
}
|
|
else
|
|
{
|
|
serr("ERROR: Failed to open /dev/console: %d\n", fd);
|
|
}
|
|
|
|
return -ENFILE;
|
|
}
|
|
#endif
|
|
|
|
/* Allocate file/socket streams for the TCB */
|
|
|
|
#ifdef CONFIG_FILE_STREAM
|
|
return group_setupstreams(tcb);
|
|
#else
|
|
return OK;
|
|
#endif
|
|
}
|