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| author | <jgarzik@pretzel.yyz.us> | 2005-05-27 22:07:02 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-05-27 22:07:02 -0400 |
| commit | 1f15d694522af9cd7492695f11dd2dc77b6cf098 (patch) | |
| tree | 7f67a4c38456ec73359d576a5c602d18c3c3ef72 /kernel/signal.c | |
| parent | fff9cfd99c0f88645c3f50d7476d6c8cef99f140 (diff) | |
| parent | 254feb882a7c6e4e51416dff6a97d847fbbba551 (diff) | |
| download | op-kernel-dev-1f15d694522af9cd7492695f11dd2dc77b6cf098.zip op-kernel-dev-1f15d694522af9cd7492695f11dd2dc77b6cf098.tar.gz | |
Automatic merge of /spare/repo/netdev-2.6 branch master
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 8f3debc..b3c24c7 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)) { |
