From 55595ca1b74e07eb2365d5aec3861600e2266470 Mon Sep 17 00:00:00 2001
From: Divy Srivastava <dj.srivastava23@gmail.com>
Date: Mon, 5 Dec 2022 08:10:22 -0800
Subject: fix(ops): disallow auto-borrowing OpState across potential await
 point (#16952)

Fixes https://github.com/denoland/deno/issues/16934

Example compiler error:
```
error: mutable opstate is not supported in async ops
   --> core/ops_builtin.rs:122:1
    |
122 | #[op]
    | ^^^^^
    |
    = note: this error originates in the attribute macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
```
---
 ext/ffi/lib.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'ext/ffi')

diff --git a/ext/ffi/lib.rs b/ext/ffi/lib.rs
index 52e101a92..7e7756c93 100644
--- a/ext/ffi/lib.rs
+++ b/ext/ffi/lib.rs
@@ -1829,9 +1829,10 @@ impl Future for CallbackInfo {
 
 #[op]
 fn op_ffi_unsafe_callback_ref(
-  state: &mut deno_core::OpState,
+  state: Rc<RefCell<deno_core::OpState>>,
   rid: ResourceId,
 ) -> Result<impl Future<Output = Result<(), AnyError>>, AnyError> {
+  let state = state.borrow();
   let callback_resource =
     state.resource_table.get::<UnsafeCallbackResource>(rid)?;
 
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