From 442e430ddcc94536705b3fef428f7aa71dc7e112 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Wed, 20 Jun 2007 22:20:32 +0000 Subject: 2007-06-20 Joel Sherrill * libcsupport/Makefile.am: * libcsupport/src/open_dev_console.c: New file. --- cpukit/libcsupport/src/open_dev_console.c | 51 +++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 cpukit/libcsupport/src/open_dev_console.c (limited to 'cpukit/libcsupport/src/open_dev_console.c') diff --git a/cpukit/libcsupport/src/open_dev_console.c b/cpukit/libcsupport/src/open_dev_console.c new file mode 100644 index 0000000000..4606c1f15f --- /dev/null +++ b/cpukit/libcsupport/src/open_dev_console.c @@ -0,0 +1,51 @@ +/* + * open_dev_console - open /dev/console + * + * COPYRIGHT (c) 1989-2007. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + * + * $Id$ + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include + +/* + * This is a replaceable stub + */ + +void open_dev_console(void) +{ + int stdin_fd, stdout_fd, stderr_fd; + int error_code = 'S' << 24 | 'T' << 16 | 'D' << 8; + + /* + * Attempt to open /dev/console. + */ + if ((stdin_fd = open("/dev/console", O_RDONLY, 0)) == -1) { + /* + * There may not be a console driver so this is OK. + */ + return; + } + + /* + * But if we find /dev/console once, we better find it twice more + * or something is REALLY wrong. + */ + if ((stdout_fd = open("/dev/console", O_WRONLY, 0)) == -1) + rtems_fatal_error_occurred( error_code | '1' ); + + if ((stderr_fd = open("/dev/console", O_WRONLY, 0)) == -1) + rtems_fatal_error_occurred( error_code | '2' ); +} + -- cgit v1.2.3