karm-base: Added errorIfCanceled() to Cancelation::Token.

skift-org · Dec 20, 2024 · df20429 · df20429
1 parent 7866387
commit df20429
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/libs/karm-base/async.h b/src/libs/karm-base/async.h
@@ -6,6 +6,7 @@
 #include "list.h"
 #include "rc.h"
 #include "res.h"
+#include "vec.h"
 
 namespace Karm::Async {
 
@@ -224,6 +225,12 @@ struct Cancelation : Meta::Static {
         bool canceled() const {
             return _c and _c->canceled();
         }
+
+        Res<> errorIfCanceled() const {
+            if (canceled())
+                return Error::interrupted("operation canceled");
+            return Ok();
+        }
     };
 
     bool _canceled = false;
@@ -245,6 +252,8 @@ struct Cancelation : Meta::Static {
     }
 };
 
+using Ct = Cancelation::Token;
+
 // MARK: Promise ---------------------------------------------------------------
 
 template <typename T>