Downgrade context sigcontrol to read

2026-04-29 21:48:31 +07:00
parent ba28216ae8
commit 844f393ae8
7 changed files with 25 additions and 17 deletions
@@ -80,13 +80,13 @@ impl WaitCondition {
            let mut preempt = PreemptGuardL2::new(&current_context_ref, &mut token);
            let token = preempt.token();
            {
-                let mut context = current_context_ref.write(token.token());
+                let context = current_context_ref.upgradeable_read(token.token());
                if let Some((control, pctl, _)) = context.sigcontrol()
                    && control.currently_pending_unblocked(pctl) != 0
                {
                    return false;
                }
-                context.block(reason);
+                context.upgrade().block(reason);
            }

            self.contexts