6 files changed, 12 insertions, 0 deletions
diff --git a/src/shared/btrfs-util.h b/src/shared/btrfs-util.h
index d5249d1bf1..1b9c142e5c 100644
--- a/src/shared/btrfs-util.h
+++ b/src/shared/btrfs-util.h
@@ -19,6 +19,8 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#pragma once
+
 #include <stdbool.h>
 #include <sys/types.h>
 
diff --git a/src/shared/gpt.h b/src/shared/gpt.h
index 87308b0d2b..add1df420f 100644
--- a/src/shared/gpt.h
+++ b/src/shared/gpt.h
@@ -19,6 +19,8 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#pragma once
+
 #include <endian.h>
 
 #include "sd-id128.h"
diff --git a/src/shared/gunicode.h b/src/shared/gunicode.h
index a4b2934a4b..e70818fdd7 100644
--- a/src/shared/gunicode.h
+++ b/src/shared/gunicode.h
@@ -4,6 +4,8 @@
  *  Copyright 2000, 2005 Red Hat, Inc.
  */
 
+#pragma once
+
 #include <stdint.h>
 #include <stdbool.h>
 #include <stdlib.h>
diff --git a/src/shared/login-shared.h b/src/shared/login-shared.h
index b2787c9c62..a79f20c1b1 100644
--- a/src/shared/login-shared.h
+++ b/src/shared/login-shared.h
@@ -19,6 +19,8 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#pragma once
+
 #include <stdbool.h>
 
 bool session_id_valid(const char *id);
diff --git a/src/shared/sigbus.h b/src/shared/sigbus.h
index 25593af2d4..23edc6d9cb 100644
--- a/src/shared/sigbus.h
+++ b/src/shared/sigbus.h
@@ -19,6 +19,8 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#pragma once
+
 void sigbus_install(void);
 void sigbus_reset(void);
 
diff --git a/src/shared/sleep-config.h b/src/shared/sleep-config.h
index 51d2dec7b4..5eda18ee38 100644
--- a/src/shared/sleep-config.h
+++ b/src/shared/sleep-config.h
@@ -19,6 +19,8 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#pragma once
+
 int parse_sleep_config(const char *verb, char ***modes, char ***states);
 
 int can_sleep(const char *verb);