From 633743117c7067bb7f7a7a12f2edbe6bb463a366 Mon Sep 17 00:00:00 2001
From: William Hubbs <w.d.hubbs@gmail.com>
Date: Thu, 25 Jun 2009 20:24:34 -0500
Subject: [PATCH] mutex fixes

We need to make sure that should_run is protected by the mutex.
---
 signal.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/signal.c b/signal.c
index 6fdf6bc..6482264 100644
--- a/signal.c
+++ b/signal.c
@@ -46,14 +46,18 @@ void *signal_thread(void *arg)
 	sigaction(SIGINT, &temp, NULL);
 	sigaction(SIGTERM, &temp, NULL);
 
+	pthread_mutex_lock(&queue_guard);
 	while(should_run) {
+		pthread_mutex_unlock(&queue_guard);
 		sigfillset(&sigset);
 		sigwait(&sigset, &sig);
 		switch (sig) {
 		case SIGINT:
 		case SIGTERM:
 			printf("This is where we shut down.\n");
+			pthread_mutex_lock(&queue_guard);
 			should_run = 0;
+			pthread_mutex_unlock(&queue_guard);
 			break;
 		default:
 			printf("espeakup caught signal %d\n", sig);