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 <willy@linux.intel.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 70d87f2fd23..95395c143ba 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));