Index: virtual_int.h
===================================================================
--- virtual_int.h
+++ virtual_int.h
@@ -26,6 +26,7 @@
 #ifndef _VIRTUAL_INT_H_
 #define	_VIRTUAL_INT_H_
 
+#include <signal.h>
 #include <samplerate.h>
 
 #define	VMAX_CHAN 64
@@ -225,6 +226,7 @@
 extern char voss_dsp_rx_device[VMAX_STRING];
 extern char voss_dsp_tx_device[VMAX_STRING];
 extern char voss_ctl_device[VMAX_STRING];
+extern volatile sig_atomic_t voss_exit;
 
 extern void atomic_lock(void);
 extern void atomic_unlock(void);
Index: virtual_main.c
===================================================================
--- virtual_main.c
+++ virtual_main.c
@@ -1629,6 +1629,7 @@
 uint8_t	voss_libsamplerate_quality = SRC_SINC_FASTEST;
 int	voss_is_recording = 1;
 int	voss_has_synchronization;
+volatile sig_atomic_t voss_exit = 0;
 
 static int voss_dsp_perm = 0666;
 static int voss_do_background;
@@ -1996,6 +1997,12 @@
 	init_mapping(pvp);
 }
 
+static void
+virtual_sig_exit(int sig)
+{
+	voss_exit = 1;
+}
+
 static const char *
 parse_options(int narg, char **pparg, int is_main)
 {
@@ -2558,6 +2565,7 @@
 	}
 
 	const char *ptrerr;
+	struct sigaction sa;
 
 	TAILQ_INIT(&virtual_profile_client_head);
 	TAILQ_INIT(&virtual_profile_loopback_head);
@@ -2579,6 +2587,14 @@
 
 	signal(SIGPIPE, &virtual_pipe);
 
+	memset(&sa, 0, sizeof(sa));
+	sigfillset(&sa.sa_mask);
+	sa.sa_handler = virtual_sig_exit;
+	if (sigaction(SIGINT, &sa, NULL) < 0)
+		err(1, "sigaction(SIGINT)");
+	if (sigaction(SIGTERM, &sa, NULL) < 0)
+		err(1, "sigaction(SIGTERM)");
+
 	ptrerr = parse_options(argc, argv, 1);
 	if (ptrerr != NULL)
 		errx(EX_USAGE, "%s", ptrerr);
Index: virtual_oss.c
===================================================================
--- virtual_oss.c
+++ virtual_oss.c
@@ -271,6 +271,8 @@
 		rx_be->close(rx_be);
 		tx_be->close(tx_be);
 
+		if (voss_exit)
+			break;
 		if (need_delay)
 			sleep(2);
 
@@ -337,6 +339,8 @@
 			uint64_t delta_time;
 
 			/* Check if DSP device should be re-opened */
+			if (voss_exit)
+				break;
 			if (voss_dsp_rx_refresh || voss_dsp_tx_refresh) {
 				need_delay = false;
 				break;
@@ -897,5 +901,13 @@
 			}
 		}
 	}
+
+	free(buffer_dsp);
+	free(buffer_temp);
+	free(buffer_monitor);
+	free(buffer_local);
+	free(buffer_data);
+	free(buffer_orig);
+
 	return (NULL);
 }