chore: import upstream snapshot with attribution

cpp/include/ray/api/ray_exception.h

@@ -0,0 +1,68 @@
+// Copyright 2020-2021 The Ray Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+
+#include <exception>
+#include <string>
+
+namespace ray {
+namespace internal {
+
+class RayException : public std::exception {
+ public:
+  RayException(const std::string &msg) : msg_(msg){};
+
+  const char *what() const noexcept override { return msg_.c_str(); };
+
+  std::string msg_;
+};
+
+class RayActorException : public RayException {
+ public:
+  RayActorException(const std::string &msg) : RayException(msg){};
+};
+
+class RayTaskException : public RayException {
+ public:
+  RayTaskException(const std::string &msg) : RayException(msg){};
+};
+
+class RayWorkerException : public RayException {
+ public:
+  RayWorkerException(const std::string &msg) : RayException(msg){};
+};
+
+class UnreconstructableException : public RayException {
+ public:
+  UnreconstructableException(const std::string &msg) : RayException(msg){};
+};
+
+class RayFunctionNotFound : public RayException {
+ public:
+  RayFunctionNotFound(const std::string &msg) : RayException(msg){};
+};
+
+class RayRuntimeEnvException : public RayException {
+ public:
+  RayRuntimeEnvException(const std::string &msg) : RayException(msg){};
+};
+
+class RayTimeoutException : public RayException {
+ public:
+  RayTimeoutException(const std::string &msg) : RayException(msg){};
+};
+
+}  // namespace internal
+}  // namespace ray