1 files changed, 31 insertions, 0 deletions
diff --git a/shared/systemd/src/basic/mempool.h b/shared/systemd/src/basic/mempool.h
new file mode 100644
index 00000000..0eecca0f
--- /dev/null
+++ b/shared/systemd/src/basic/mempool.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+#pragma once
+
+#include <stdbool.h>
+#include <stddef.h>
+
+struct pool;
+
+struct mempool {
+        struct pool *first_pool;
+        void *freelist;
+        size_t tile_size;
+        unsigned at_least;
+};
+
+void* mempool_alloc_tile(struct mempool *mp);
+void* mempool_alloc0_tile(struct mempool *mp);
+void mempool_free_tile(struct mempool *mp, void *p);
+
+#define DEFINE_MEMPOOL(pool_name, tile_type, alloc_at_least) \
+static struct mempool pool_name = { \
+        .tile_size = sizeof(tile_type), \
+        .at_least = alloc_at_least, \
+}
+
+extern const bool mempool_use_allowed;
+bool mempool_enabled(void);
+
+#if VALGRIND
+void mempool_drop(struct mempool *mp);
+#endif