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| author | <jgarzik@pretzel.yyz.us> | 2005-05-26 05:47:10 (GMT) |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-05-26 05:47:10 (GMT) |
| commit | 949d33e70f2c3e93bfe5265a50e40175b1ab1ec1 (patch) | |
| tree | ca88fd8f8f81b167dc4685ed34e9636f267db60d /kernel/signal.c | |
| parent | b095518ef51c37658c58367bd19240b8a113f25c (diff) | |
| parent | bef9c558841604116704e10b3d9ff3dbf4939423 (diff) | |
| download | linux-fsl-qoriq-949d33e70f2c3e93bfe5265a50e40175b1ab1ec1.tar.xz | |
Automatic merge of rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git branch HEAD
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)) { |