forked from Imagelibrary/rtems
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
/*
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* open_dev_console - open /dev/console
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*
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* COPYRIGHT (c) 1989-2007.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*
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* $Id$
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <rtems.h>
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#include <rtems/libio.h>
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#include <fcntl.h>
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/*
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* This is a replaceable stub
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*/
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void open_dev_console(void)
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{
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int stdin_fd, stdout_fd, stderr_fd;
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int error_code = 'S' << 24 | 'T' << 16 | 'D' << 8;
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/*
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* Attempt to open /dev/console.
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*/
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if ((stdin_fd = open("/dev/console", O_RDONLY, 0)) == -1) {
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/*
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* There may not be a console driver so this is OK.
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*/
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return;
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}
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/*
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* But if we find /dev/console once, we better find it twice more
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* or something is REALLY wrong.
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*/
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if ((stdout_fd = open("/dev/console", O_WRONLY, 0)) == -1)
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rtems_fatal_error_occurred( error_code | '1' );
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if ((stderr_fd = open("/dev/console", O_WRONLY, 0)) == -1)
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rtems_fatal_error_occurred( error_code | '2' );
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}
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