1 /* 2 * 3 * Copyright 2020 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 #include <grpc/support/port_platform.h> 20 21 #include "src/core/lib/gprpp/examine_stack.h" 22 23 namespace grpc_core { 24 25 gpr_current_stack_trace_func g_current_stack_trace_provider = nullptr; 26 GetCurrentStackTraceProvider()27gpr_current_stack_trace_func GetCurrentStackTraceProvider() { 28 return g_current_stack_trace_provider; 29 } 30 SetCurrentStackTraceProvider(gpr_current_stack_trace_func current_stack_trace_provider)31void SetCurrentStackTraceProvider( 32 gpr_current_stack_trace_func current_stack_trace_provider) { 33 g_current_stack_trace_provider = current_stack_trace_provider; 34 } 35 GetCurrentStackTrace()36absl::optional<std::string> GetCurrentStackTrace() { 37 if (g_current_stack_trace_provider != nullptr) { 38 return g_current_stack_trace_provider(); 39 } 40 return absl::nullopt; 41 } 42 43 } // namespace grpc_core 44