cleanup: do not send reply message in hyper_shutdown

make hyper_shutdown interface more clearer.
Do the reply in hyper_pod_destroyed.

Signed-off-by: Gao feng <omarapazanadi@gmail.com>

src/exec.c

@@ -731,7 +731,7 @@ static int hyper_release_exec(struct hyper_exec *exec,
 
 		if (pod->type == DESTROYPOD) {
 			/* shutdown vm manually, hyper doesn't care the pod finished codes */
-			hyper_shutdown(0);
+			hyper_pod_destroyed(0);
 		} else {
 			/* send out pod finish message, hyper will decide if restart pod or not */
 			hyper_send_pod_finished(pod);

src/hyper.h

@@ -91,6 +91,7 @@ static inline int hyper_create(char *hyper_path)
 int hyper_open_serial(char *tty);
 void hyper_cleanup_pod(struct hyper_pod *pod);
 int hyper_enter_sandbox(struct hyper_pod *pod, int pidpipe);
+void hyper_pod_destroyed(int failed);
 
 extern struct hyper_pod global_pod;
 extern struct hyper_ctl ctl;

src/init.c

@@ -519,11 +519,17 @@ static void hyper_print_uptime(void)
 	close(fd);
 }
 
+void hyper_pod_destroyed(int failed)
+{
+	hyper_send_msg_block(ctl.chan.fd, failed?ERROR:ACK, 0, NULL);
+	hyper_shutdown();
+}
+
 static int hyper_destroy_pod(struct hyper_pod *pod, int error)
 {
 	if (pod->init_pid == 0) {
 		/* Pod stopped, just shutdown */
-		hyper_shutdown(error);
+		hyper_pod_destroyed(error);
 	} else {
 		/* Kill pod */
 		hyper_term_all(pod);

src/util.c

@@ -673,9 +673,8 @@ static void hyper_unmount_all(void)
 	sync();
 }
 
-void hyper_shutdown(int error)
+void hyper_shutdown()
 {
-	hyper_send_msg_block(ctl.chan.fd, error?ERROR:ACK, 0, NULL);
 	hyper_unmount_all();
 	reboot(LINUX_REBOOT_CMD_POWER_OFF);
 }

src/util.h

@@ -35,7 +35,7 @@ int hyper_setfd_cloexec(int fd);
 int hyper_setfd_block(int fd);
 int hyper_setfd_nonblock(int fd);
 int hyper_socketpair(int domain, int type, int protocol, int sv[2]);
-void hyper_shutdown(int ack);
+void hyper_shutdown();
 int hyper_insmod(char *module);
 struct passwd *hyper_getpwnam(const char *name);
 struct group *hyper_getgrnam(const char *name);