From: Radoslaw Zarzynski <rzarzyns@redhat.com>
Date: Tue, 17 Sep 2019 18:31:40 +0000 (+0200)
Subject: crimson: introduce make_plain_exception_future() to errorator.
X-Git-Tag: v15.1.0~801^2~26
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=b148bdbeec588b90a25466954d1df2fb28f59b7a;p=ceph.git

crimson: introduce make_plain_exception_future() to errorator.

Signed-off-by: Radoslaw Zarzynski <rzarzyns@redhat.com>
---

diff --git a/src/crimson/common/errorator.h b/src/crimson/common/errorator.h
index fc91b85fff3..f98a2a9c147 100644
--- a/src/crimson/common/errorator.h
+++ b/src/crimson/common/errorator.h
@@ -433,6 +433,15 @@ struct errorator {
     }
   };
 
+  template <class... ValuesT, class ErrorT>
+  static auto make_plain_exception_future(ErrorT&& e) noexcept {
+    using decayed_t = std::decay_t<ErrorT>;
+    static_assert((... || std::is_same_v<AllowedErrors, decayed_t>),
+                  "passing further disallowed ErrorT");
+    return ::seastar::make_exception_future<ValuesT...>(
+      make_exception_ptr(std::forward<ErrorT>(e)));
+  }
+
   // the visitor that forwards handling of all errors to next continuation
   struct pass_further {
     template <class ErrorT>