diff options
Diffstat (limited to 'c/src/lib/libbsp/shared/console.c')
| -rw-r--r-- | c/src/lib/libbsp/shared/console.c | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/c/src/lib/libbsp/shared/console.c b/c/src/lib/libbsp/shared/console.c index 7623b7c628..0f59a17231 100644 --- a/c/src/lib/libbsp/shared/console.c +++ b/c/src/lib/libbsp/shared/console.c @@ -20,6 +20,7 @@ #include <assert.h> #include <termios.h> +#include <rtems/termiostypes.h> #include <libchip/serial.h> /* @@ -50,6 +51,7 @@ rtems_device_driver console_open( struct termios Termios; rtems_termios_callbacks Callbacks; console_tbl *cptr; + struct rtems_termios_tty *current_tty; /* * Verify the port number is valid. @@ -79,19 +81,27 @@ rtems_device_driver console_open( status = rtems_termios_open ( major, minor, arg, &Callbacks ); Console_Port_Data[minor].termios_data = args->iop->data1; - - if (minor!=Console_Port_Minor) { - /* - * If this is not the console we do not want ECHO and - * so forth - */ - IoctlArgs.iop=args->iop; - IoctlArgs.command=RTEMS_IO_GET_ATTRIBUTES; - IoctlArgs.buffer=&Termios; - rtems_termios_ioctl(&IoctlArgs); - Termios.c_lflag=ICANON; - IoctlArgs.command=RTEMS_IO_SET_ATTRIBUTES; - rtems_termios_ioctl(&IoctlArgs); + + /* Get tty pointeur from the Console_Port_Data */ + current_tty = Console_Port_Data[minor].termios_data; + + if ( (current_tty->refcount == 1) ) { + /* + * If it's the first open, modified, if need, the port parameters + */ + if (minor!=Console_Port_Minor) { + /* + * If this is not the console we do not want ECHO and + * so forth + */ + IoctlArgs.iop=args->iop; + IoctlArgs.command=RTEMS_IO_GET_ATTRIBUTES; + IoctlArgs.buffer=&Termios; + rtems_termios_ioctl(&IoctlArgs); + Termios.c_lflag=ICANON; + IoctlArgs.command=RTEMS_IO_SET_ATTRIBUTES; + rtems_termios_ioctl(&IoctlArgs); + } } if ( (args->iop->flags&LIBIO_FLAGS_READ) && |