From f07ef745009817e6944583f6116d93d83354d71c Mon Sep 17 00:00:00 2001
From: Ivan FB <ivansete@status.im>
Date: Sun, 7 Jun 2026 19:25:48 +0200
Subject: [PATCH] better guard to avoid double-recycle requests

---
 ffi/ffi_context.nim | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/ffi/ffi_context.nim b/ffi/ffi_context.nim
index cc9130f..729d9a4 100644
--- a/ffi/ffi_context.nim
+++ b/ffi/ffi_context.nim
@@ -471,10 +471,14 @@ proc requestRecycle*[T](
   ##
   ## During recycling, the FFI thread drains the handlers, frees the lib and releases
   ## the context, then fires `callback` (RET_OK drained, RET_ERR stuck).
-  ctx.recycleCallback = callback
-  ctx.recycleUserData = userData
 
   ctx.lock.acquire()
+  if ctx.lifecycle.load() != CtxLifecycle.Active:
+    ctx.lock.release()
+    return err("requestRecycle: context is not Active (already recycling)")
+
+  ctx.recycleCallback = callback
+  ctx.recycleUserData = userData
   ctx.lifecycle.store(CtxLifecycle.RecyclePending)
   ctx.lock.release()