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-rw-r--r--kernel/signal.c31
1 files changed, 14 insertions, 17 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index b92c3c9f8b9a..5a274705ba19 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -936,34 +936,31 @@ force_sig_specific(int sig, struct task_struct *t)
* as soon as they're available, so putting the signal on the shared queue
* will be equivalent to sending it to one such thread.
*/
-#define wants_signal(sig, p, mask) \
- (!sigismember(&(p)->blocked, sig) \
- && !((p)->state & mask) \
- && !((p)->flags & PF_EXITING) \
- && (task_curr(p) || !signal_pending(p)))
-
+static inline int wants_signal(int sig, struct task_struct *p)
+{
+ if (sigismember(&p->blocked, sig))
+ return 0;
+ if (p->flags & PF_EXITING)
+ return 0;
+ if (sig == SIGKILL)
+ return 1;
+ if (p->state & (TASK_STOPPED | TASK_TRACED))
+ return 0;
+ return task_curr(p) || !signal_pending(p);
+}
static void
__group_complete_signal(int sig, struct task_struct *p)
{
- unsigned int mask;
struct task_struct *t;
/*
- * Don't bother traced and stopped tasks (but
- * SIGKILL will punch through that).
- */
- mask = TASK_STOPPED | TASK_TRACED;
- if (sig == SIGKILL)
- mask = 0;
-
- /*
* Now find a thread we can wake up to take the signal off the queue.
*
* If the main thread wants the signal, it gets first crack.
* Probably the least surprising to the average bear.
*/
- if (wants_signal(sig, p, mask))
+ if (wants_signal(sig, p))
t = p;
else if (thread_group_empty(p))
/*
@@ -981,7 +978,7 @@ __group_complete_signal(int sig, struct task_struct *p)
t = p->signal->curr_target = p;
BUG_ON(t->tgid != p->tgid);
- while (!wants_signal(sig, t, mask)) {
+ while (!wants_signal(sig, t)) {
t = next_thread(t);
if (t == p->signal->curr_target)
/*