[PATCH] Remove duplicate code in signal.c
Paul E. McKenney [Sun, 30 Oct 2005 23:03:46 +0000 (15:03 -0800)]
Combine a bit of redundant code between force_sig_info() and
force_sig_specific().

Signed-off-by: paulmck@us.ibm.com
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

kernel/signal.c

index 1d8f84c..1bf3c39 100644 (file)
@@ -879,11 +879,13 @@ force_sig_info(int sig, struct siginfo *info, struct task_struct *t)
        int ret;
 
        spin_lock_irqsave(&t->sighand->siglock, flags);
-       if (sigismember(&t->blocked, sig) || t->sighand->action[sig-1].sa.sa_handler == SIG_IGN) {
+       if (t->sighand->action[sig-1].sa.sa_handler == SIG_IGN) {
                t->sighand->action[sig-1].sa.sa_handler = SIG_DFL;
+       }
+       if (sigismember(&t->blocked, sig)) {
                sigdelset(&t->blocked, sig);
-               recalc_sigpending_tsk(t);
        }
+       recalc_sigpending_tsk(t);
        ret = specific_send_sig_info(sig, info, t);
        spin_unlock_irqrestore(&t->sighand->siglock, flags);
 
@@ -893,15 +895,7 @@ force_sig_info(int sig, struct siginfo *info, struct task_struct *t)
 void
 force_sig_specific(int sig, struct task_struct *t)
 {
-       unsigned long int flags;
-
-       spin_lock_irqsave(&t->sighand->siglock, flags);
-       if (t->sighand->action[sig-1].sa.sa_handler == SIG_IGN)
-               t->sighand->action[sig-1].sa.sa_handler = SIG_DFL;
-       sigdelset(&t->blocked, sig);
-       recalc_sigpending_tsk(t);
-       specific_send_sig_info(sig, SEND_SIG_FORCED, t);
-       spin_unlock_irqrestore(&t->sighand->siglock, flags);
+       force_sig_info(sig, SEND_SIG_FORCED, t);
 }
 
 /*