diff options
| author | <jgarzik@pretzel.yyz.us> | 2005-05-27 22:08:07 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-05-27 22:08:07 -0400 |
| commit | 51a730d758ae4052e10ca7e06336f10af598c4fc (patch) | |
| tree | b76a004c00cd7139659be515ee03398e47067290 /kernel/signal.c | |
| parent | 6cd15a9daf826115356f9403494c76e5aafa7793 (diff) | |
| parent | ff0e0ea2f5d36fa90fc2c57fd019102b0a0cfabf (diff) | |
Automatic merge of /spare/repo/netdev-2.6 branch we18-ieee80211
Diffstat (limited to 'kernel/signal.c')
| -rw-r--r-- | kernel/signal.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 8f3debc77c5b..b3c24c732c5a 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -522,7 +522,16 @@ static int __dequeue_signal(struct sigpending *pending, sigset_t *mask, { int sig = 0; - sig = next_signal(pending, mask); + /* SIGKILL must have priority, otherwise it is quite easy + * to create an unkillable process, sending sig < SIGKILL + * to self */ + if (unlikely(sigismember(&pending->signal, SIGKILL))) { + if (!sigismember(mask, SIGKILL)) + sig = SIGKILL; + } + + if (likely(!sig)) + sig = next_signal(pending, mask); if (sig) { if (current->notifier) { if (sigismember(current->notifier_mask, sig)) { |