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author | Matthew Wilcox <matthew@wil.cx> | 2007-12-06 11:13:16 -0500 |
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committer | Matthew Wilcox <willy@linux.intel.com> | 2007-12-06 17:35:28 -0500 |
commit | f021a3c2b14d0dd082c2cee890c204d9e1dee52b (patch) | |
tree | aa37eb6845605de6c69a70ac8cc3b22e2b0170a6 /kernel/signal.c | |
parent | 338077e54e17e656da470a84724b773816207316 (diff) | |
download | blackbird-op-linux-f021a3c2b14d0dd082c2cee890c204d9e1dee52b.tar.gz blackbird-op-linux-f021a3c2b14d0dd082c2cee890c204d9e1dee52b.zip |
Add TASK_WAKEKILL
Set TASK_WAKEKILL for TASK_STOPPED and TASK_TRACED, add TASK_KILLABLE and
use TASK_WAKEKILL in signal_wake_up()
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Diffstat (limited to 'kernel/signal.c')
-rw-r--r-- | kernel/signal.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index c5a401aa715c..fd4797f30628 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -456,15 +456,15 @@ void signal_wake_up(struct task_struct *t, int resume) set_tsk_thread_flag(t, TIF_SIGPENDING); /* - * For SIGKILL, we want to wake it up in the stopped/traced case. - * We don't check t->state here because there is a race with it + * For SIGKILL, we want to wake it up in the stopped/traced/killable + * case. We don't check t->state here because there is a race with it * executing another processor and just now entering stopped state. * By using wake_up_state, we ensure the process will wake up and * handle its death signal. */ mask = TASK_INTERRUPTIBLE; if (resume) - mask |= TASK_STOPPED | TASK_TRACED; + mask |= TASK_WAKEKILL; if (!wake_up_state(t, mask)) kick_process(t); } @@ -620,7 +620,7 @@ static void handle_stop_signal(int sig, struct task_struct *p) * Wake up the stopped thread _after_ setting * TIF_SIGPENDING */ - state = TASK_STOPPED; + state = __TASK_STOPPED; if (sig_user_defined(t, SIGCONT) && !sigismember(&t->blocked, SIGCONT)) { set_tsk_thread_flag(t, TIF_SIGPENDING); state |= TASK_INTERRUPTIBLE; |