diff options
Diffstat (limited to 'hurd/ctty-output.c')
| -rw-r--r-- | hurd/ctty-output.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/hurd/ctty-output.c b/hurd/ctty-output.c index d77c35a..62f78d1 100644 --- a/hurd/ctty-output.c +++ b/hurd/ctty-output.c @@ -34,16 +34,19 @@ _hurd_ctty_output (io_t port, io_t ctty, error_t (*rpc) (io_t)) do { + struct sigaction *actions; + /* Don't use the ctty io port if we are blocking or ignoring SIGTTOU. We redo this check at the top of the loop in case the signal handler changed the state. */ - __spin_lock (&ss->lock); + _hurd_sigstate_lock (ss); + actions = _hurd_sigstate_actions (ss); if (__sigismember (&ss->blocked, SIGTTOU) - || ss->actions[SIGTTOU].sa_handler == SIG_IGN) + || actions[SIGTTOU].sa_handler == SIG_IGN) err = EIO; else err = 0; - __spin_unlock (&ss->lock); + _hurd_sigstate_unlock (ss); if (err) return (*rpc) (port); @@ -70,10 +73,11 @@ _hurd_ctty_output (io_t port, io_t ctty, error_t (*rpc) (io_t)) SIGTTOU or resumed after being stopped. Now this is still a "system call", so check to see if we should restart it. */ - __spin_lock (&ss->lock); - if (!(ss->actions[SIGTTOU].sa_flags & SA_RESTART)) + _hurd_sigstate_lock (ss); + actions = _hurd_sigstate_actions (ss); + if (!(actions[SIGTTOU].sa_flags & SA_RESTART)) err = EINTR; - __spin_unlock (&ss->lock); + _hurd_sigstate_unlock (ss); } } /* If the last RPC generated a SIGTTOU, loop to try it again. */ |