diff options
Diffstat (limited to 'c/src/exec/libcsupport')
| -rw-r--r-- | c/src/exec/libcsupport/src/termios.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/c/src/exec/libcsupport/src/termios.c b/c/src/exec/libcsupport/src/termios.c index 2a3bfe4fd1..fef2fce5ae 100644 --- a/c/src/exec/libcsupport/src/termios.c +++ b/c/src/exec/libcsupport/src/termios.c @@ -219,6 +219,7 @@ rtems_termios_open ( tty->minor = minor; tty->major = major; + tty->refcount = 0; /* * Set up mutex semaphores @@ -922,6 +923,8 @@ rtems_termios_dequeue_characters (void *ttyp, int len) if (tty->rawOutBufState == rob_wait) rtems_semaphore_release (tty->rawOutBufSemaphore); + if ( tty->rawOutBufHead == tty->rawOutBufTail ) + return; newTail = (tty->rawOutBufTail + len) % RAW_OUTPUT_BUFFER_SIZE; if (newTail == tty->rawOutBufHead) { /* |