From 511b614f563c792ce5b10d816aacf3e9249b0909 Mon Sep 17 00:00:00 2001
From: Vincent Penquerc'h <vincent.penquerch@collabora.co.uk>
Date: Sun, 29 Dec 2013 07:00:53 -0500
Subject: [PATCH] qrexec-agent: catch failure to deliver signal

---
 qrexec/qrexec-agent.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/qrexec/qrexec-agent.c b/qrexec/qrexec-agent.c
index 1c7d254..d7d42ac 100644
--- a/qrexec/qrexec-agent.c
+++ b/qrexec/qrexec-agent.c
@@ -106,7 +106,10 @@ void wake_meminfo_writer() {
 		/* check within acceptable range */
 		return;
 	}
-	kill(pid, SIGUSR1);
+	if (kill(pid, SIGUSR1) < 0) {
+		/* Can't send signal */
+		return;
+	}
 	meminfo_write_started = 1;
 }