1 files changed, 28 insertions, 0 deletions
diff --git a/shared/systemd/src/basic/umask-util.h b/shared/systemd/src/basic/umask-util.h
new file mode 100644
index 00000000..e964292e
--- /dev/null
+++ b/shared/systemd/src/basic/umask-util.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+#pragma once
+
+#include <stdbool.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include "macro.h"
+
+static inline void umaskp(mode_t *u) {
+        umask(*u);
+}
+
+#define _cleanup_umask_ _cleanup_(umaskp)
+
+struct _umask_struct_ {
+        mode_t mask;
+        bool quit;
+};
+
+static inline void _reset_umask_(struct _umask_struct_ *s) {
+        umask(s->mask);
+};
+
+#define RUN_WITH_UMASK(mask)                                            \
+        for (_cleanup_(_reset_umask_) struct _umask_struct_ _saved_umask_ = { umask(mask), false }; \
+             !_saved_umask_.quit ;                                      \
+             _saved_umask_.quit = true)