From: Nick Alcock <nick.alcock@oracle.com>
Date: Thu, 15 Oct 2015 11:18:11 +0000 (+0100)
Subject: dtrace: fire proc:::signal-send for queued signals too
X-Git-Tag: v4.1.12-92~235^2
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=44a326047e15906b38802583688f276b52c47019;p=users%2Fjedix%2Flinux-maple.git

dtrace: fire proc:::signal-send for queued signals too

A sigqueue()d signal is a sent signal too, so we should fire
proc:::signal-send for such signals.

Orabug: 22027302
Signed-off-by: Nick Alcock <nick.alcock@oracle.com>
Acked-by: Kris Van Hees <kris.van.hees@oracle.com>
---

diff --git a/kernel/signal.c b/kernel/signal.c
index f337fd006bc5..8b87c1ebe231 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1610,6 +1610,7 @@ int send_sigqueue(struct sigqueue *q, struct task_struct *t, int group)
 	list_add_tail(&q->list, &pending->list);
 	sigaddset(&pending->signal, sig);
 	complete_signal(sig, t, group);
+	DTRACE_PROC2(signal__send, struct task_struct *, t, int, sig);
 	result = TRACE_SIGNAL_DELIVERED;
 out:
 	trace_signal_generate(sig, &q->info, t, group, result);