commit 828b1f65d23cf8a68795739f6dd08fc8abd9ee64
author Richard Weinberger <richard@nod.at> Mon Oct 07 15:26:57 2013 +0200
committer Richard Weinberger <richard@sigma-star.at> Wed Aug 06 13:03:44 2014 +0200
tree bb660d0c7a85e875f96f281729cb752184e1c7af
parent 10b1c7ac8bfed429cf3dcb0225482c8dc1485d8e

Rip out get_signal_to_deliver()

Now we can turn get_signal() to the main function.

Signed-off-by: Richard Weinberger <richard@nod.at>

kernel/signal.c

diff --git a/kernel/signal.c b/kernel/signal.c
index 0d75cf8..5c60200 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2166,8 +2166,7 @@
 	return signr;
 }
 
-int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka,
-			  struct pt_regs *regs, void *cookie)
+int get_signal(struct ksignal *ksig)
 {
 	struct sighand_struct *sighand = current->sighand;
 	struct signal_struct *signal = current->signal;
@@ -2237,13 +2236,13 @@
 			goto relock;
 		}
 
-		signr = dequeue_signal(current, &current->blocked, info);
+		signr = dequeue_signal(current, &current->blocked, &ksig->info);
 
 		if (!signr)
 			break; /* will return 0 */
 
 		if (unlikely(current->ptrace) && signr != SIGKILL) {
-			signr = ptrace_signal(signr, info);
+			signr = ptrace_signal(signr, &ksig->info);
 			if (!signr)
 				continue;
 		}
@@ -2251,13 +2250,13 @@
 		ka = &sighand->action[signr-1];
 
 		/* Trace actually delivered signals. */
-		trace_signal_deliver(signr, info, ka);
+		trace_signal_deliver(signr, &ksig->info, ka);
 
 		if (ka->sa.sa_handler == SIG_IGN) /* Do nothing.  */
 			continue;
 		if (ka->sa.sa_handler != SIG_DFL) {
 			/* Run the handler.  */
-			*return_ka = *ka;
+			ksig->ka = *ka;
 
 			if (ka->sa.sa_flags & SA_ONESHOT)
 				ka->sa.sa_handler = SIG_DFL;
@@ -2307,7 +2306,7 @@
 				spin_lock_irq(&sighand->siglock);
 			}
 
-			if (likely(do_signal_stop(info->si_signo))) {
+			if (likely(do_signal_stop(ksig->info.si_signo))) {
 				/* It released the siglock.  */
 				goto relock;
 			}
@@ -2328,7 +2327,7 @@
 
 		if (sig_kernel_coredump(signr)) {
 			if (print_fatal_signals)
-				print_fatal_signal(info->si_signo);
+				print_fatal_signal(ksig->info.si_signo);
 			proc_coredump_connector(current);
 			/*
 			 * If it was able to dump core, this kills all
@@ -2338,17 +2337,19 @@
 			 * first and our do_group_exit call below will use
 			 * that value and ignore the one we pass it.
 			 */
-			do_coredump(info);
+			do_coredump(&ksig->info);
 		}
 
 		/*
 		 * Death signals, no core dump.
 		 */
-		do_group_exit(info->si_signo);
+		do_group_exit(ksig->info.si_signo);
 		/* NOTREACHED */
 	}
 	spin_unlock_irq(&sighand->siglock);
-	return signr;
+
+	ksig->sig = signr;
+	return ksig->sig > 0;
 }
 
 /**