varnishevent: added SPSCQ_Shutdown()

bin/varnishevent/log.c

@@ -49,7 +49,6 @@ syslog_setlevel(int level)
     setlogmask(LOG_UPTO(level));
 }
 
-/* XXX: is this safe? */
 static void
 stdio_initnames(void)
 {

bin/varnishevent/spscq.c

@@ -81,3 +81,9 @@ SPSCQ_Stats(void)
     LOG_Log(LOG_INFO, "Queue: max=%u len=%u load=%.2f occ_hi=%u",
         config.max_data, len, 100.0 * len / config.max_data, occ_hi);
 }
+
+void
+SPSCQ_Shutdown(void)
+{
+    AZ(pthread_mutex_destroy(&spscq_lock));
+}

bin/varnishevent/varnishevent.c

@@ -785,6 +785,7 @@ main(int argc, char *argv[])
         LOG_Log0(LOG_WARNING, "Varnish log closed");
     
     WRT_Halt();
+    SPSCQ_Shutdown();
     MON_Shutdown();
     FMT_Shutdown();
     LOG_Log0(LOG_INFO, "Exiting");

bin/varnishevent/varnishevent.h

@@ -231,6 +231,7 @@ void SPSCQ_Enq(logline_t *ptr);
 logline_t *SPSCQ_Deq(void);
 unsigned SPSCQ_Len(void);
 void SPSCQ_Stats(void);
+void SPSCQ_Shutdown(void);
 
 /* monitor.c */
 typedef enum {