145 lines
4.4 KiB
C
145 lines
4.4 KiB
C
/****************************************************************************
|
|
* sched/group/group_setupidlefiles.c
|
|
*
|
|
* Copyright (C) 2007-2010, 2012-2013 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* 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"
|
|
|
|
#if CONFIG_NFILE_DESCRIPTORS > 0 || CONFIG_NSOCKET_DESCRIPTORS > 0
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: group_setupidlefiles
|
|
*
|
|
* Description:
|
|
* Configure the idle thread's TCB.
|
|
*
|
|
* Input Parameters:
|
|
* tcb - tcb of the idle task.
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
int group_setupidlefiles(FAR struct task_tcb_s *tcb)
|
|
{
|
|
#if CONFIG_NFILE_DESCRIPTORS > 0 || CONFIG_NSOCKET_DESCRIPTORS > 0
|
|
FAR struct task_group_s *group = tcb->cmn.group;
|
|
#endif
|
|
#if CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_DEV_CONSOLE)
|
|
int fd;
|
|
#endif
|
|
|
|
#if CONFIG_NFILE_DESCRIPTORS > 0 || CONFIG_NSOCKET_DESCRIPTORS > 0
|
|
DEBUGASSERT(group);
|
|
#endif
|
|
|
|
#if CONFIG_NFILE_DESCRIPTORS > 0
|
|
/* Initialize file descriptors for the TCB */
|
|
|
|
files_initlist(&group->tg_filelist);
|
|
#endif
|
|
|
|
#if CONFIG_NSOCKET_DESCRIPTORS > 0
|
|
/* Allocate socket descriptors for the TCB */
|
|
|
|
net_initlist(&group->tg_socketlist);
|
|
#endif
|
|
|
|
/* Open stdin, dup to get stdout and stderr. This should always
|
|
* be the first file opened and, hence, should always get file
|
|
* descriptor 0.
|
|
*/
|
|
|
|
#if CONFIG_NFILE_DESCRIPTORS > 0 && defined(CONFIG_DEV_CONSOLE)
|
|
fd = open("/dev/console", O_RDWR);
|
|
if (fd == 0)
|
|
{
|
|
/* Successfully opened /dev/console as stdin (fd == 0) */
|
|
|
|
(void)fs_dupfd2(0, 1);
|
|
(void)fs_dupfd2(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);
|
|
(void)close(fd);
|
|
}
|
|
else
|
|
{
|
|
serr("ERROR: Failed to open /dev/console: %d\n", errno);
|
|
}
|
|
|
|
return -ENFILE;
|
|
}
|
|
#endif
|
|
|
|
/* Allocate file/socket streams for the TCB */
|
|
|
|
#if CONFIG_NFILE_STREAMS > 0
|
|
return group_setupstreams(tcb);
|
|
#else
|
|
return OK;
|
|
#endif
|
|
}
|
|
|
|
#endif /* CONFIG_NFILE_DESCRIPTORS || CONFIG_NSOCKET_DESCRIPTORS */
|