From f776d12dd16da1b0cd55a1240002c1b31f315d5d Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Thu, 6 Dec 2007 11:15:50 -0500 Subject: [PATCH] Add fatal_signal_pending Like signal_pending, but it's only true for signals which are fatal to this process Signed-off-by: Matthew Wilcox --- include/linux/sched.h | 9 ++++++++- kernel/signal.c | 5 +++++ 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/include/linux/sched.h b/include/linux/sched.h index 70d87f2fd2..95395c143b 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1872,7 +1872,14 @@ static inline int signal_pending(struct task_struct *p) { return unlikely(test_tsk_thread_flag(p,TIF_SIGPENDING)); } - + +extern int FASTCALL(__fatal_signal_pending(struct task_struct *p)); + +static inline int fatal_signal_pending(struct task_struct *p) +{ + return signal_pending(p) && __fatal_signal_pending(p); +} + static inline int need_resched(void) { return unlikely(test_thread_flag(TIF_NEED_RESCHED)); diff --git a/kernel/signal.c b/kernel/signal.c index fd4797f306..657aa16d97 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -994,6 +994,11 @@ void zap_other_threads(struct task_struct *p) } } +int fastcall __fatal_signal_pending(struct task_struct *tsk) +{ + return sigismember(&tsk->pending.signal, SIGKILL); +} + /* * Must be called under rcu_read_lock() or with tasklist_lock read-held. */ -- 2.39.5