From: Steve Muir <smuir@cs.princeton.edu>
Date: Fri, 7 Jan 2005 21:12:01 +0000 (+0000)
Subject: Check that SIGALRM got delivered (should never fail)
X-Git-Tag: before-shares_write_debug-merge~15
X-Git-Url: http://git.onelab.eu/?a=commitdiff_plain;h=6352a61271d0e113c045de733e153a14d381f71b;p=linux-2.6.git

Check that SIGALRM got delivered (should never fail)
---

diff --git a/kernel/itimer.c b/kernel/itimer.c
index 6918cb746..5bf6c881c 100644
--- a/kernel/itimer.c
+++ b/kernel/itimer.c
@@ -68,7 +68,9 @@ void it_real_fn(unsigned long __data)
 	struct task_struct * p = (struct task_struct *) __data;
 	unsigned long interval;
 
-	send_group_sig_info(SIGALRM, SEND_SIG_PRIV, p);
+	if (send_group_sig_info(SIGALRM, SEND_SIG_PRIV, p))
+		printk("*warning*: failed to send SIGALRM to %u\n", p->pid);
+
 	interval = p->it_real_incr;
 	if (interval) {
 		if (interval > (unsigned long) LONG_MAX)