log: enable output log to console when run as daemon.

src/smartdns.c

@@ -855,7 +855,7 @@ int main(int argc, char *argv[])
 	}
 
 	if (daemon_ret > 0) {
-		ret = daemon_kickoff(daemon_ret, 0);
+		ret = daemon_kickoff(daemon_ret, 0, dns_conf_log_console | verbose_screen);
 		if (ret != 0) {
 			goto errout;
 		}
@@ -867,7 +867,7 @@ int main(int argc, char *argv[])
 	return ret;
 errout:
 	if (daemon_ret > 0) {
-		daemon_kickoff(daemon_ret, ret);
+		daemon_kickoff(daemon_ret, ret, dns_conf_log_console | verbose_screen);
 	}
 	smartdns_test_notify(2);
 	return 1;

src/util.c

@@ -1560,7 +1560,7 @@ errout:
 	return;
 }
 
-int daemon_kickoff(int fd, int status)
+int daemon_kickoff(int fd, int status, int no_close)
 {
 	if (fd <= 0) {
 		return -1;
@@ -1571,6 +1571,7 @@ int daemon_kickoff(int fd, int status)
 		return -1;
 	}
 
+	if (no_close == 0) {
 		int fd_null = open("/dev/null", O_RDWR);
 		if (fd_null < 0) {
 			fprintf(stderr, "open /dev/null failed, %s\n", strerror(errno));
@@ -1584,6 +1585,7 @@ int daemon_kickoff(int fd, int status)
 		if (fd_null > 2) {
 			close(fd_null);
 		}
+	}
 
 	close(fd);
 

src/util.h

@@ -144,7 +144,7 @@ void close_all_fd(int keepfd);
 
 int run_daemon(void);
 
-int daemon_kickoff(int fd, int status);
+int daemon_kickoff(int fd, int status, int no_close);
 
 int write_file(const char *filename, void *data, int data_len);