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-rw-r--r--libglusterfs/src/stack.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/libglusterfs/src/stack.h b/libglusterfs/src/stack.h
index 942972556..e03f95ca1 100644
--- a/libglusterfs/src/stack.h
+++ b/libglusterfs/src/stack.h
@@ -215,6 +215,24 @@ STACK_DESTROY (call_stack_t *stack)
} while (0)
+/* return from function in type-safe way */
+#define STACK_UNWIND_STRICT(op, frame, params ...) \
+ do { \
+ fop_##op##_cbk_t fn = NULL; \
+ call_frame_t *_parent = NULL; \
+ xlator_t *old_THIS = NULL; \
+ \
+ fn = (fop_##op##_cbk_t )frame->ret; \
+ _parent = frame->parent; \
+ _parent->ref_count--; \
+ old_THIS = THIS; \
+ THIS = _parent->this; \
+ frame->complete = _gf_true; \
+ fn (_parent, frame->cookie, _parent->this, params); \
+ THIS = old_THIS; \
+ } while (0)
+
+
static inline call_frame_t *
copy_frame (call_frame_t *frame)
{