From ac5c215383f43a106ba4ef298126bf78c126f5e9 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Wed, 30 Apr 2008 00:52:57 -0700
Subject: [PATCH] signals: join send_sigqueue() with send_group_sigqueue()

We export send_sigqueue() and send_group_sigqueue() for the only user,
posix_timer_event().  This is a bit silly, because both are just trivial
helpers on top of do_send_sigqueue() and because the we pass the unused
.si_signo parameter.

Kill them both, rename do_send_sigqueue() to send_sigqueue(), and export it.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/sched.h |  3 +--
 kernel/posix-timers.c |  6 ++----
 kernel/signal.c       | 15 +--------------
 3 files changed, 4 insertions(+), 20 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index ef5615270342..0917b3df12d5 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1751,8 +1751,7 @@ extern void zap_other_threads(struct task_struct *p);
 extern int kill_proc(pid_t, int, int);
 extern struct sigqueue *sigqueue_alloc(void);
 extern void sigqueue_free(struct sigqueue *);
-extern int send_sigqueue(int, struct sigqueue *,  struct task_struct *);
-extern int send_group_sigqueue(int, struct sigqueue *,  struct task_struct *);
+extern int send_sigqueue(struct sigqueue *,  struct task_struct *, int group);
 extern int do_sigaction(int, struct k_sigaction *, struct k_sigaction *);
 extern int do_sigaltstack(const stack_t __user *, stack_t __user *, unsigned long);
 
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 8476956ffd92..dbd8398ddb0b 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -310,8 +310,7 @@ int posix_timer_event(struct k_itimer *timr,int si_private)
 
 	if (timr->it_sigev_notify & SIGEV_THREAD_ID) {
 		struct task_struct *leader;
-		int ret = send_sigqueue(timr->it_sigev_signo, timr->sigq,
-					timr->it_process);
+		int ret = send_sigqueue(timr->sigq, timr->it_process, 0);
 
 		if (likely(ret >= 0))
 			return ret;
@@ -322,8 +321,7 @@ int posix_timer_event(struct k_itimer *timr,int si_private)
 		timr->it_process = leader;
 	}
 
-	return send_group_sigqueue(timr->it_sigev_signo, timr->sigq,
-				   timr->it_process);
+	return send_sigqueue(timr->sigq, timr->it_process, 1);
 }
 EXPORT_SYMBOL_GPL(posix_timer_event);
 
diff --git a/kernel/signal.c b/kernel/signal.c
index 367c6662b12f..d52a1fe921fa 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1240,8 +1240,7 @@ void sigqueue_free(struct sigqueue *q)
 	__sigqueue_free(q);
 }
 
-static int do_send_sigqueue(struct sigqueue *q, struct task_struct *t,
-				int group)
+int send_sigqueue(struct sigqueue *q, struct task_struct *t, int group)
 {
 	int sig = q->info.si_signo;
 	struct sigpending *pending;
@@ -1266,7 +1265,6 @@ static int do_send_sigqueue(struct sigqueue *q, struct task_struct *t,
 		 * If an SI_TIMER entry is already queue just increment
 		 * the overrun count.
 		 */
-
 		BUG_ON(q->info.si_code != SI_TIMER);
 		q->info.si_overrun++;
 		goto out;
@@ -1283,17 +1281,6 @@ ret:
 	return ret;
 }
 
-int send_sigqueue(int sig, struct sigqueue *q, struct task_struct *p)
-{
-	return do_send_sigqueue(q, p, 0);
-}
-
-int
-send_group_sigqueue(int sig, struct sigqueue *q, struct task_struct *p)
-{
-	return do_send_sigqueue(q, p, 1);
-}
-
 /*
  * Wake up any threads in the parent blocked in wait* syscalls.
  */