bcd6ba97bd
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@26 42af7a65-404d-4744-a932-0658087f49c3
80 lines
3.0 KiB
C
80 lines
3.0 KiB
C
/************************************************************
|
|
* sched_setupstreams.c
|
|
*
|
|
* Copyright (C) 2007 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
|
*
|
|
* 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 Gregory Nutt 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 <sched.h>
|
|
#include <nuttx/fs.h>
|
|
#include <nuttx/lib.h>
|
|
|
|
/************************************************************
|
|
* Private Functions
|
|
************************************************************/
|
|
|
|
/************************************************************
|
|
* Public Functions
|
|
************************************************************/
|
|
|
|
#if CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0
|
|
|
|
int sched_setupstreams(FAR _TCB *tcb)
|
|
{
|
|
/* Allocate file strems for the TCB */
|
|
|
|
tcb->streams = lib_alloclist();
|
|
if (tcb->streams)
|
|
{
|
|
/* fdopen to get the stdin, stdout and stderr streams.
|
|
* The following logic depends on the fact that the library
|
|
* layer will allocate FILEs in order.
|
|
*
|
|
* fd = 0 is stdin
|
|
* fd = 1 is stdout
|
|
* fd = 2 is stderr
|
|
*/
|
|
|
|
(void)lib_fdopen(0, "r", tcb->filelist, tcb->streams);
|
|
(void)lib_fdopen(1, "w", tcb->filelist, tcb->streams);
|
|
(void)lib_fdopen(2, "w", tcb->filelist, tcb->streams);
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
#endif /* CONFIG_NFILE_STREAMS && CONFIG_NFILE_STREAMS*/
|