1 files changed, 31 insertions, 0 deletions
diff --git a/include/slice.h b/include/slice.h
new file mode 100644
index 0000000000..5538fc434a
--- /dev/null
+++ b/include/slice.h
@@ -0,0 +1,31 @@
+#ifndef __SLICE_H
+#define __SLICE_H
+
+enum slice_action {
+	SLICE_ACQUIRE = 1,
+	SLICE_RELEASE = -1,
+	SLICE_TEST = 0,
+};
+
+struct slice {
+	int acquired;
+	struct list_head deps;
+	char *name;
+	struct list_head list;
+};
+
+struct slice_entry {
+	struct slice *slice;
+	struct list_head list;
+};
+
+void slice_acquire(struct slice *slice);
+void slice_release(struct slice *slice);
+bool slice_acquired(struct slice *slice);
+void slice_depends_on(struct slice *slice, struct slice *dep);
+void slice_init(struct slice *slice, const char *name);
+void slice_exit(struct slice *slice);
+
+void slice_debug_acquired(struct slice *slice);
+
+#endif /* __SLICE_H */