diff options
Diffstat (limited to 'c/src/lib/libc')
| -rw-r--r-- | c/src/lib/libc/libio.h | 2 | ||||
| -rw-r--r-- | c/src/lib/libc/termios.c | 4 |
2 files changed, 4 insertions, 2 deletions
diff --git a/c/src/lib/libc/libio.h b/c/src/lib/libc/libio.h index 0826579805..3cc87d1d87 100644 --- a/c/src/lib/libc/libio.h +++ b/c/src/lib/libc/libio.h @@ -156,7 +156,7 @@ rtems_status_code rtems_termios_close (void *arg); rtems_status_code rtems_termios_read (void *arg); rtems_status_code rtems_termios_write (void *arg); rtems_status_code rtems_termios_ioctl (void *arg); -void rtems_termios_enqueue_raw_characters (void *ttyp, char *buf, int len); +int rtems_termios_enqueue_raw_characters (void *ttyp, char *buf, int len); void rtems_termios_dequeue_characters (void *ttyp, int len); void rtems_termios_reserve_resources( rtems_configuration_table *configuration, diff --git a/c/src/lib/libc/termios.c b/c/src/lib/libc/termios.c index a41817b28a..b2d1bb1499 100644 --- a/c/src/lib/libc/termios.c +++ b/c/src/lib/libc/termios.c @@ -837,8 +837,9 @@ rtems_termios_read (void *arg) * Place characters on raw queue. * NOTE: This routine runs in the context of the * device receive interrupt handler. + * Returns the number of characters dropped because of overlow. */ -void +int rtems_termios_enqueue_raw_characters (void *ttyp, char *buf, int len) { struct rtems_termios_tty *tty = ttyp; @@ -855,6 +856,7 @@ rtems_termios_enqueue_raw_characters (void *ttyp, char *buf, int len) tty->rawInBufTail = newTail; } rtems_semaphore_release (tty->rawInBufSemaphore); + return len; } /* |