rt-thread-official/components/libc/compilers/armlibc/libc.c

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/*
* File : libc.c
* Brief : armcc libc initialization
*
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2017/10/15 bernard the first version
*/
#include <stdio.h>
#include <stdlib.h>
#include <rtthread.h>
#include "libc.h"
#ifdef RT_USING_PTHREADS
#include <pthread.h>
#endif
int libc_system_init(void)
{
#if defined(RT_USING_DFS) & defined(RT_USING_DFS_DEVFS)
rt_device_t dev_console;
dev_console = rt_console_get_device();
if (dev_console)
{
#if defined(RT_USING_POSIX_STDIN)
libc_stdio_set_console(dev_console->parent.name, O_RDWR);
#else
libc_stdio_set_console(dev_console->parent.name, O_WRONLY);
#endif
}
#endif
#if defined RT_USING_PTHREADS && !defined RT_USING_COMPONENTS_INIT
pthread_system_init();
#endif
return 0;
}
INIT_COMPONENT_EXPORT(libc_system_init);