6a3c2aded6
* Simplify EINTR/ECANCEL error handling 1. Add semaphore uninterruptible wait function 2 .Replace semaphore wait loop with a single uninterruptible wait 3. Replace all sem_xxx to nxsem_xxx * Unify the void cast usage 1. Remove void cast for function because many place ignore the returned value witout cast 2. Replace void cast for variable with UNUSED macro
124 lines
4.8 KiB
C
124 lines
4.8 KiB
C
/****************************************************************************
|
|
* drivers/syslog/syslog_console.c
|
|
*
|
|
* Copyright (C) 2015 Pierre-noel Bouteville. All rights reserved.
|
|
* Author: Pierre-noel Bouteville <pnb990@gmail.com>
|
|
*
|
|
* 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 <sys/types.h>
|
|
#include <errno.h>
|
|
#include <debug.h>
|
|
|
|
#include <nuttx/arch.h>
|
|
#include <nuttx/fs/fs.h>
|
|
#include <nuttx/syslog/syslog.h>
|
|
|
|
#include "syslog.h"
|
|
|
|
/****************************************************************************
|
|
* Private Function Prototypes
|
|
****************************************************************************/
|
|
|
|
static ssize_t syslog_console_read(FAR struct file *filep, FAR char *buffer,
|
|
size_t buflen);
|
|
static ssize_t syslog_console_write(FAR struct file *filep,
|
|
FAR const char *buffer, size_t buflen);
|
|
static int syslog_console_ioctl(FAR struct file *filep, int cmd,
|
|
unsigned long arg);
|
|
|
|
/****************************************************************************
|
|
* Private Data
|
|
****************************************************************************/
|
|
|
|
static const struct file_operations g_consoleops =
|
|
{
|
|
NULL, /* open */
|
|
NULL, /* close */
|
|
syslog_console_read, /* read */
|
|
syslog_console_write, /* write */
|
|
NULL, /* seek */
|
|
syslog_console_ioctl, /* ioctl */
|
|
NULL /* poll */
|
|
};
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: syslog_console_ioctl
|
|
****************************************************************************/
|
|
|
|
static int syslog_console_ioctl(FAR struct file *filep, int cmd,
|
|
unsigned long arg)
|
|
{
|
|
return -ENOTTY;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: syslog_console_read
|
|
****************************************************************************/
|
|
|
|
static ssize_t syslog_console_read(FAR struct file *filep, FAR char *buffer,
|
|
size_t buflen)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: syslog_console_write
|
|
****************************************************************************/
|
|
|
|
static ssize_t syslog_console_write(FAR struct file *filep,
|
|
FAR const char *buffer, size_t buflen)
|
|
{
|
|
return syslog_write(buffer, buflen);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: syslog_console_init
|
|
****************************************************************************/
|
|
|
|
void syslog_console_init(void)
|
|
{
|
|
register_driver("/dev/console", &g_consoleops, 0666, NULL);
|
|
}
|