diff options
Diffstat (limited to 'sys/kern/tty_cons.c')
| -rw-r--r-- | sys/kern/tty_cons.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/sys/kern/tty_cons.c b/sys/kern/tty_cons.c index ff57d82..81e1708 100644 --- a/sys/kern/tty_cons.c +++ b/sys/kern/tty_cons.c @@ -711,9 +711,18 @@ constty_timeout(void *arg) { int c; - while (constty != NULL && (c = msgbuf_getchar(&consmsgbuf)) != -1) { - if (tputchar(c, constty) < 0) - constty = NULL; + if (constty != NULL) { + tty_lock(constty); + while ((c = msgbuf_getchar(&consmsgbuf)) != -1) { + if (tty_putchar(constty, c) < 0) { + tty_unlock(constty); + constty = NULL; + break; + } + } + + if (constty != NULL) + tty_unlock(constty); } if (constty != NULL) { callout_reset(&conscallout, hz / constty_wakeups_per_second, |
