diff options
Diffstat (limited to 'sbin/init')
| -rw-r--r-- | sbin/init/init.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sbin/init/init.c b/sbin/init/init.c index a24371c..8fd93bd 100644 --- a/sbin/init/init.c +++ b/sbin/init/init.c @@ -572,9 +572,13 @@ open_console(void) { int fd; - /* Try to open /dev/console. */ + /* + * Try to open /dev/console. Open the device with O_NONBLOCK to + * prevent potential blocking on a carrier. + */ revoke(_PATH_CONSOLE); if ((fd = open(_PATH_CONSOLE, O_RDWR | O_NONBLOCK)) != -1) { + (void)fcntl(fd, F_SETFL, fcntl(fd, F_GETFL) & ~O_NONBLOCK); if (login_tty(fd) == 0) return; close(fd); |
