libutil: always rethrow kj::CanceledException

the fiber runtime requires this for correctness. Change-Id: I5ebc6a046596403e86cebaa95962053ff7813877
2025-10-20 12:43:22 +00:00
parent bab44b870e
commit 2d2cd7ac03
1 changed files with 3 additions and 0 deletions
@@ -4,6 +4,7 @@
 #include "async-io.hh"
 #include "result.hh"
 #include <kj/async.h>
+#include <kj/exception.h>
 #include <type_traits>
 #include <utility>

@@ -79,6 +80,8 @@ inline auto deserializeFrom(AsyncBufferedInputStream & from, auto fn)
                } else {
                    return fn(wrapped);
                }
+            } catch (kj::CanceledException &) { // NOLINT(lix-foreign-exceptions)
+                throw; // NOLINT(lix-foreign-exceptions): fiber invariants require this
            } catch (...) {
                return result::current_exception();
            }