commit 60c50c0

Create sleep mutex and cond variable only once.

 1@@ -342,6 +342,9 @@ static void *job_thread(void *arg)
 2     return NULL;
 3 }
 4 
 5+/* background thread sleep control */
 6+static pthread_mutex_t sleep_mutex;
 7+static pthread_cond_t  sleep_cond;
 8 
 9 static void *background_thread(void *arg)
10 /* background thread (queue management and other things) */
11@@ -392,16 +395,14 @@ static void *background_thread(void *arg)
12 #ifdef USE_POLL_FOR_SLEEP
13             poll(NULL, 0, 3 * 1000);
14 #else
15-            pthread_mutex_t dummy_mutex = PTHREAD_MUTEX_INITIALIZER;
16-            pthread_cond_t  dummy_cond  = PTHREAD_COND_INITIALIZER;
17             struct timespec ts;
18 
19             clock_gettime(CLOCK_REALTIME, &ts);
20             ts.tv_sec += 3;
21 
22-            pthread_mutex_lock(&dummy_mutex);
23-            while (pthread_cond_timedwait(&dummy_cond, &dummy_mutex, &ts) == 0);
24-            pthread_mutex_unlock(&dummy_mutex);
25+            pthread_mutex_lock(&sleep_mutex);
26+            while (pthread_cond_timedwait(&sleep_cond, &sleep_mutex, &ts) == 0);
27+            pthread_mutex_unlock(&sleep_mutex);
28 #endif
29         }
30     }
31@@ -449,6 +450,10 @@ void httpd(void)
32     sem_init(&job_sem, 0, 0);
33     job_fifo = xs_list_new();
34 
35+    /* initialize sleep control */
36+    pthread_mutex_init(&sleep_mutex, NULL);
37+    pthread_cond_init(&sleep_cond, NULL);
38+
39     n_threads = xs_number_get(xs_dict_get(srv_config, "num_threads"));
40 
41 #ifdef _SC_NPROCESSORS_ONLN