Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc-cloned / deps / grpc / src / core / lib / gprpp / abstract.h

diff --git a/legacy-libs/grpc-cloned/deps/grpc/src/core/lib/gprpp/abstract.h b/legacy-libs/grpc-cloned/deps/grpc/src/core/lib/gprpp/abstract.h
new file mode 100644 (file)
index 0000000..ea68e3a
--- /dev/null
+++ b/legacy-libs/grpc-cloned/deps/grpc/src/core/lib/gprpp/abstract.h
@@ -0,0 +1,47 @@
+/*
+ *
+ * Copyright 2017 gRPC 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.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_GPRPP_ABSTRACT_H
+#define GRPC_CORE_LIB_GPRPP_ABSTRACT_H
+
+#if GRPC_USE_CPP_STD_LIB
+
+#define GRPC_ABSTRACT_BASE_CLASS
+
+#define GRPC_ABSTRACT = 0
+
+#else
+
+// This is needed to support abstract base classes in the c core. Since gRPC
+// doesn't have a c++ runtime, it will hit a linker error on delete unless
+// we define a virtual operator delete. See this blog for more info:
+// https://eli.thegreenplace.net/2015/c-deleting-destructors-and-virtual-operator-delete/
+#define GRPC_ABSTRACT_BASE_CLASS \
+  static void operator delete(void* p) { abort(); }
+
+// gRPC currently can't depend on libstdc++, so we can't use "= 0" for
+// pure virtual methods.  Instead, we use this macro.
+#define GRPC_ABSTRACT                                                        \
+  {                                                                          \
+    gpr_log(GPR_ERROR, "Function marked GRPC_ABSTRACT was not implemented"); \
+    GPR_ASSERT(false);                                                       \
+  }
+
+#endif  // GRPC_USE_CPP_STD_LIB
+
+#endif /* GRPC_CORE_LIB_GPRPP_ABSTRACT_H */